Halo: The Master Chief Collection achievements
20,204
(6,000)

Halo: The Master Chief Collection

4.5 from 14692 votes

There are a maximum of 600 Halo: The Master Chief Collection achievements (400 without DLC) worth 20,204 (6,000)

194,647 tracked gamers have this game, 961 have completed it (0.49%)

Big Ell
89%

Big Ell15,765 (5,140)

First played on 11 Nov 14 , Played for 284 hrs 22 mins

532 achievements out of 600 won (inc 179 of 200 DLC achievements)

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Halo: The Master Chief Collection Achievements

Kill 20,000 enemies or players.
Unlocked by 22,245 tracked gamers (11% - TA Ratio = 2.96)  
Kill 100 Knights.
Unlocked by 48,507 tracked gamers (25% - TA Ratio = 2.00)  
Halo 2: Beat the par score on The Arbiter.
Unlocked by 23,599 tracked gamers (12% - TA Ratio = 2.87)  
Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.
Unlocked by 8,850 tracked gamers (5% - TA Ratio = 4.69)  
Veteran70 (30)
Complete all campaigns on Normal difficulty.
Unlocked by 35,647 tracked gamers (18% - TA Ratio = 2.33)  
War Hero130 (40)
Complete all campaigns on Heroic difficulty.
Unlocked by 18,450 tracked gamers (9% - TA Ratio = 3.25)  
Halo CE: Complete every level of the game on Normal difficulty.
Unlocked by 72,490 tracked gamers (37% - TA Ratio = 1.63)  
Halo CE: Complete every level of the game on Heroic difficulty.
Unlocked by 38,470 tracked gamers (20% - TA Ratio = 2.25)  
Halo CE: Complete every level of the game on Legendary difficulty.
Unlocked by 28,650 tracked gamers (15% - TA Ratio = 2.60)  
Hero52 (20)
Halo 2: Complete every level of the game on Heroic difficulty.
Unlocked by 28,340 tracked gamers (15% - TA Ratio = 2.62)  
Halo 2: Find and claim the Sputnik Skull on Legendary.
Unlocked by 17,554 tracked gamers (9% - TA Ratio = 3.33)  
Halo 2: Collect the Tartarus toy in Quarantine Zone.
Unlocked by 18,553 tracked gamers (10% - TA Ratio = 3.24)  
Toybox68 (20)
Halo 2: Collect all eight Halo toys.
Unlocked by 16,839 tracked gamers (9% - TA Ratio = 3.40)  
Collect 9,000 campaign or playlist medals.
Unlocked by 27,299 tracked gamers (14% - TA Ratio = 2.67)  
Commuter38 (10)
Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.
Unlocked by 13,164 tracked gamers (7% - TA Ratio = 3.84)  
E E E15 (5)
Halo 2: View both signs in the level Metropolis.
Unlocked by 22,871 tracked gamers (12% - TA Ratio = 2.91)  
Halo 2: Shoot the soccer ball in the level Metropolis.
Unlocked by 16,502 tracked gamers (8% - TA Ratio = 3.43)  
Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.
Unlocked by 17,066 tracked gamers (9% - TA Ratio = 3.37)  
Halo 2: Find and claim the IWHBYD Skull on Legendary.
Unlocked by 16,402 tracked gamers (8% - TA Ratio = 3.44)  
Halo CE: Beat the par score on The Pillar of Autumn.
Unlocked by 22,072 tracked gamers (11% - TA Ratio = 2.97)  
Halo 2: Beat the par time on High Charity.
Unlocked by 32,289 tracked gamers (17% - TA Ratio = 2.45)  
Halo 2: Beat par time on all Halo 2 levels.
Unlocked by 9,123 tracked gamers (5% - TA Ratio = 4.62)  
Halo 2: Beat the par time on Gravemind.
Unlocked by 10,370 tracked gamers (5% - TA Ratio = 4.33)  
Hot Zone37 (10)
Halo 2: Beat the par time on Quarantine Zone.
Unlocked by 14,011 tracked gamers (7% - TA Ratio = 3.72)  
Halo 2: Beat the par time on Sacred Icon.
Unlocked by 12,515 tracked gamers (6% - TA Ratio = 3.94)  
Halo 2: Beat the par time on Regret.
Unlocked by 9,894 tracked gamers (5% - TA Ratio = 4.43)  
Halo 2: Beat the par time on Delta Halo.
Unlocked by 16,115 tracked gamers (8% - TA Ratio = 3.47)  
Halo 2: Beat the par time on The Oracle.
Unlocked by 20,757 tracked gamers (11% - TA Ratio = 3.06)  
HI BEN16 (5)
Halo 2: Oh, hi!
Unlocked by 18,091 tracked gamers (9% - TA Ratio = 3.28)  
Halo 2: Find and claim the Assassins Skull on Legendary.
Unlocked by 17,273 tracked gamers (9% - TA Ratio = 3.35)  
Win 500 multiplayer games.
Unlocked by 6,349 tracked gamers (3% - TA Ratio = 5.54)  
Win 450 multiplayer games.
Unlocked by 6,908 tracked gamers (4% - TA Ratio = 5.31)  
Steady Aim51 (10)
Win 400 multiplayer games.
Unlocked by 7,576 tracked gamers (4% - TA Ratio = 5.07)  
Win 350 multiplayer games.
Unlocked by 8,474 tracked gamers (4% - TA Ratio = 4.79)  
Win 300 multiplayer games.
Unlocked by 9,637 tracked gamers (5% - TA Ratio = 4.49)  
Win 250 multiplayer games.
Unlocked by 11,219 tracked gamers (6% - TA Ratio = 4.16)  
Win 200 multiplayer games.
Unlocked by 13,423 tracked gamers (7% - TA Ratio = 3.81)  
Win 150 multiplayer games.
Unlocked by 16,920 tracked gamers (9% - TA Ratio = 3.39)  
Win 100 multiplayer games.
Unlocked by 23,716 tracked gamers (12% - TA Ratio = 2.86)  
Halo 2: Beat the par time on Metropolis.
Unlocked by 21,711 tracked gamers (11% - TA Ratio = 2.99)  
Halo 2: Beat the par time on The Great Journey.
Unlocked by 12,957 tracked gamers (7% - TA Ratio = 3.87)  
Halo 2: Beat the par time on Uprising.
Unlocked by 19,319 tracked gamers (10% - TA Ratio = 3.17)  
Collect 8,000 campaign or playlist medals.
Unlocked by 31,362 tracked gamers (16% - TA Ratio = 2.49)  
Warrior18 (10)
Halo 2: Complete every level of the game on Normal difficulty.
Unlocked by 58,683 tracked gamers (30% - TA Ratio = 1.82)  
Halo 2: Beat the par time on The Arbiter.
Unlocked by 16,561 tracked gamers (8% - TA Ratio = 3.42)  
Halo 2: Complete The Great Journey.
Unlocked by 70,684 tracked gamers (36% - TA Ratio = 1.66)  
Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.
Unlocked by 42,736 tracked gamers (22% - TA Ratio = 2.13)  
Halo 2: Complete every level of the game on Easy difficulty.
Unlocked by 64,380 tracked gamers (33% - TA Ratio = 1.73)  
Complete all campaigns on Easy difficulty.
Unlocked by 39,393 tracked gamers (20% - TA Ratio = 2.22)  
Halo 2: Collect the Didact toy in The Great Journey.
Unlocked by 18,333 tracked gamers (9% - TA Ratio = 3.25)  
Lore Master105 (30)
Activate all terminals.
Unlocked by 15,887 tracked gamers (8% - TA Ratio = 3.50)  
Obsessed11 (5)
Halo 2: Activate Terminal 13 on The Great Journey.
Unlocked by 42,577 tracked gamers (22% - TA Ratio = 2.13)  
Halo 2: Activate all Halo 2 Terminals.
Unlocked by 22,241 tracked gamers (11% - TA Ratio = 2.95)  
Halo 2: Complete High Charity.
Unlocked by 71,154 tracked gamers (37% - TA Ratio = 1.65)  
Reviewer11 (5)
Halo 2: Activate Terminal 12 on High Charity.
Unlocked by 38,482 tracked gamers (20% - TA Ratio = 2.25)  
Halo 2: Collect the Rampant Cortana toy in High Charity.
Unlocked by 20,207 tracked gamers (10% - TA Ratio = 3.10)  
Halo 2: Listen to the Cowardly Grunt's woes.
Unlocked by 19,734 tracked gamers (10% - TA Ratio = 3.14)  
Gravemind16 (10)
Halo 2: Complete Gravemind.
Unlocked by 73,022 tracked gamers (37% - TA Ratio = 1.63)  
Halo 2: Collect the Cortana toy in Gravemind.
Unlocked by 22,448 tracked gamers (12% - TA Ratio = 2.94)  
Halo 2: Activate Terminal 10 on Gravemind.
Unlocked by 40,012 tracked gamers (21% - TA Ratio = 2.20)  
Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.
Unlocked by 19,083 tracked gamers (10% - TA Ratio = 3.19)  
LASO Master403 (50)
Complete each individual game specific LASO playlist for every Halo game.
Unlocked by 3,015 tracked gamers (2% - TA Ratio = 8.05)  
Seconds38 (10)
Halo 2: Complete a Halo 2 playlist.
Unlocked by 13,322 tracked gamers (7% - TA Ratio = 3.82)  
Halo 2: Complete the LASO campaign playlist.
Unlocked by 3,462 tracked gamers (2% - TA Ratio = 7.50)  
Contender23 (10)
Win 50 multiplayer games.
Unlocked by 38,470 tracked gamers (20% - TA Ratio = 2.25)  
Halo 2: Beat the par score on Metropolis.
Unlocked by 42,139 tracked gamers (22% - TA Ratio = 2.15)  
Demon19 (10)
Halo 2: Complete any campaign level without dying on Normal or harder.
Unlocked by 51,776 tracked gamers (27% - TA Ratio = 1.93)  
Halo 2: Complete Quarantine Zone.
Unlocked by 75,222 tracked gamers (39% - TA Ratio = 1.60)  
Halo 2: Activate Terminal 9 on Quarantine Zone.
Unlocked by 57,668 tracked gamers (30% - TA Ratio = 1.83)  
Halo 2: Drive a Scorpion while playing as the Arbiter.
Unlocked by 64,211 tracked gamers (33% - TA Ratio = 1.74)  
Halo 3: Complete the Halo 3 LASO Campaign playlist.
Unlocked by 4,369 tracked gamers (2% - TA Ratio = 6.68)  
Bomb Squad47 (10)
Halo 2: Beat the par score on Cairo Station.
Unlocked by 8,872 tracked gamers (5% - TA Ratio = 4.68)  
Naked Tyrant197 (30)
Halo 4: Complete the Halo 4 LASO Campaign playlist.
Unlocked by 4,516 tracked gamers (2% - TA Ratio = 6.57)  
Halo CE: Complete a Halo: CE playlist.
Unlocked by 14,870 tracked gamers (8% - TA Ratio = 3.62)  
Halo CE: Complete the Halo: CE LASO Campaign playlist.
Unlocked by 4,002 tracked gamers (2% - TA Ratio = 6.98)  
Uprising17 (10)
Halo 2: Complete Uprising.
Unlocked by 70,525 tracked gamers (36% - TA Ratio = 1.66)  
Scholar10 (5)
Halo 2: Activate Terminal 11 on Uprising.
Unlocked by 49,526 tracked gamers (25% - TA Ratio = 1.98)  
Halo 2: Collect the Librarian toy in Uprising.
Unlocked by 18,218 tracked gamers (9% - TA Ratio = 3.27)  
Halo 2: Kill an enraged, berserk Brute using melee.
Unlocked by 78,932 tracked gamers (40% - TA Ratio = 1.57)  
Collect 7,000 campaign or playlist medals.
Unlocked by 36,455 tracked gamers (19% - TA Ratio = 2.31)  
Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.
Unlocked by 22,666 tracked gamers (12% - TA Ratio = 2.93)  
Halo 2: Collect the Prophet of Regret toy in Regret.
Unlocked by 21,371 tracked gamers (11% - TA Ratio = 3.01)  
Boundless27 (10)
Halo 2: Beat the par score on Delta Halo.
Unlocked by 26,059 tracked gamers (13% - TA Ratio = 2.73)  
Halo 2: Beat the par score on Outskirts.
Unlocked by 14,772 tracked gamers (8% - TA Ratio = 3.63)  
Collect 6,000 campaign or playlist medals.
Unlocked by 43,312 tracked gamers (22% - TA Ratio = 2.12)  
Halo 2: Beat the par time on Outskirts.
Unlocked by 22,608 tracked gamers (12% - TA Ratio = 2.93)  
Kill 1000 Jackals.
Unlocked by 51,834 tracked gamers (27% - TA Ratio = 1.93)  
Regret16 (10)
Halo 2: Complete Regret.
Unlocked by 80,415 tracked gamers (41% - TA Ratio = 1.55)  
Enamored10 (5)
Halo 2: Activate Terminal 7 on Regret.
Unlocked by 48,554 tracked gamers (25% - TA Ratio = 2.00)  
Life Story137 (30)
Complete the Master Chief Saga playlist.
Unlocked by 9,400 tracked gamers (5% - TA Ratio = 4.55)  
Complete one cross-game playlist.
Unlocked by 16,399 tracked gamers (8% - TA Ratio = 3.44)  
Halo 4: Beat the par score on Shutdown.
Unlocked by 19,884 tracked gamers (10% - TA Ratio = 3.13)  
Halo 4: Beat the par score on every Halo 4 level.
Unlocked by 8,173 tracked gamers (4% - TA Ratio = 4.88)  
Halo 4: Beat the par score on Forerunner.
Unlocked by 13,164 tracked gamers (7% - TA Ratio = 3.84)  
Mortardom53 (10)
Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.
Unlocked by 6,830 tracked gamers (4% - TA Ratio = 5.34)  
Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.
Unlocked by 13,739 tracked gamers (7% - TA Ratio = 3.76)  
Gimme That47 (10)
Halo 4: Beat the par time on Reclaimer.
Unlocked by 8,906 tracked gamers (5% - TA Ratio = 4.67)  
Halo 4: Beat the par time on all Halo 4 levels.
Unlocked by 8,162 tracked gamers (4% - TA Ratio = 4.88)  
Halo 2: Complete Sacred Icon.
Unlocked by 77,862 tracked gamers (40% - TA Ratio = 1.58)  
Halo 2: Activate Terminal 8 on Sacred Icon.
Unlocked by 28,991 tracked gamers (15% - TA Ratio = 2.59)  
Halo 2: Collect the Arbiter toy in Sacred Icon.
Unlocked by 19,860 tracked gamers (10% - TA Ratio = 3.13)  
Countdown44 (10)
Halo 4: Beat the par time on Midnight.
Unlocked by 10,172 tracked gamers (5% - TA Ratio = 4.37)  
Halo 4: Beat the par time on Composer.
Unlocked by 11,509 tracked gamers (6% - TA Ratio = 4.11)  
Ouroboros42 (10)
Halo 4: Beat the par time on Infinity.
Unlocked by 11,282 tracked gamers (6% - TA Ratio = 4.15)  
Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.
Unlocked by 9,406 tracked gamers (5% - TA Ratio = 4.55)  
Halo 4: What do Marines know about sticks?
Unlocked by 16,866 tracked gamers (9% - TA Ratio = 3.39)  
Justice12 (5)
Halo 4: Activate Terminal 6 on Composer.
Unlocked by 32,627 tracked gamers (17% - TA Ratio = 2.44)  
Terminus58 (20)
Halo 4: Activate all Halo 4 Terminals.
Unlocked by 23,170 tracked gamers (12% - TA Ratio = 2.89)  
Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.
Unlocked by 24,626 tracked gamers (13% - TA Ratio = 2.81)  
Kill 1000 Elites.
Unlocked by 53,325 tracked gamers (27% - TA Ratio = 1.91)  
Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.
Unlocked by 6,036 tracked gamers (3% - TA Ratio = 5.68)  
Kill 100 Crawlers.
Unlocked by 73,268 tracked gamers (38% - TA Ratio = 1.63)  
Halo 4: Activate Terminal 3 on Infinity.
Unlocked by 45,639 tracked gamers (23% - TA Ratio = 2.06)  
Halo 4: Activate Terminal 2 on Forerunner.
Unlocked by 60,773 tracked gamers (31% - TA Ratio = 1.79)  
War11 (5)
Halo 4: Activate Terminal 1 on Requiem.
Unlocked by 42,484 tracked gamers (22% - TA Ratio = 2.14)  
Midnight18 (10)
Halo 4: Complete Midnight.
Unlocked by 59,836 tracked gamers (31% - TA Ratio = 1.80)  
Halo 4: Beat the par score on Midnight.
Unlocked by 18,605 tracked gamers (10% - TA Ratio = 3.23)  
Halo 4: Complete every level of the game on Normal difficulty.
Unlocked by 48,440 tracked gamers (25% - TA Ratio = 2.00)  
Halo 4: Complete every level of the game on Heroic difficulty.
Unlocked by 28,705 tracked gamers (15% - TA Ratio = 2.60)  
Halo 4: Complete every level of the game on Legendary difficulty.
Unlocked by 23,234 tracked gamers (12% - TA Ratio = 2.89)  
Halo 4: Complete every level of the game on Easy difficulty.
Unlocked by 52,548 tracked gamers (27% - TA Ratio = 1.92)  
Composer18 (10)
Halo 4: Complete Composer.
Unlocked by 61,552 tracked gamers (32% - TA Ratio = 1.77)  
Halo 4: Beat the par score on Composer.
Unlocked by 30,395 tracked gamers (16% - TA Ratio = 2.53)  
Shutdown18 (10)
Halo 4: Complete Shutdown.
Unlocked by 61,320 tracked gamers (31% - TA Ratio = 1.78)  
Halo 4: Beat the par time on Shutdown.
Unlocked by 12,931 tracked gamers (7% - TA Ratio = 3.88)  
Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.
Unlocked by 16,607 tracked gamers (9% - TA Ratio = 3.42)  
Halo 4: Beat the par score on Reclaimer.
Unlocked by 21,206 tracked gamers (11% - TA Ratio = 3.03)  
Flood10 (5)
Halo 4: Activate Terminal 4 on Reclaimer.
Unlocked by 45,963 tracked gamers (24% - TA Ratio = 2.05)  
Infinity17 (10)
Halo 4: Complete Infinity.
Unlocked by 67,989 tracked gamers (35% - TA Ratio = 1.69)  
Halo 4: Beat the par score on Infinity.
Unlocked by 47,943 tracked gamers (25% - TA Ratio = 2.01)  
Halo 4: Beat the par score on Requiem.
Unlocked by 13,053 tracked gamers (7% - TA Ratio = 3.86)  
Dawn14 (10)
Halo 4: Complete Dawn.
Unlocked by 98,340 tracked gamers (50% - TA Ratio = 1.40)  
Halo 4: Beat the par time on Dawn.
Unlocked by 34,814 tracked gamers (18% - TA Ratio = 2.36)  
Gunslinger31 (10)
Halo 4: Beat the par score on Dawn.
Unlocked by 20,521 tracked gamers (11% - TA Ratio = 3.08)  
Collect 5,000 campaign or playlist medals.
Unlocked by 52,604 tracked gamers (27% - TA Ratio = 1.92)  
Devotee110 (20)
Halo 4: Complete three Halo 4 playlists.
Unlocked by 6,468 tracked gamers (3% - TA Ratio = 5.49)  
Cryptum13 (5)
Halo 4: Activate Terminal 7 on Midnight.
Unlocked by 29,211 tracked gamers (15% - TA Ratio = 2.58)  
Knights13 (5)
Halo 4: Activate Terminal 5 on Shutdown.
Unlocked by 30,973 tracked gamers (16% - TA Ratio = 2.50)  
Halo 3: Complete every level of the game on Legendary difficulty.
Unlocked by 26,655 tracked gamers (14% - TA Ratio = 2.70)  
Halo 3: Complete every level of the game on Heroic difficulty.
Unlocked by 33,721 tracked gamers (17% - TA Ratio = 2.40)  
Aficiando109 (20)
Halo 3: Complete three Halo 3 playlists.
Unlocked by 6,517 tracked gamers (3% - TA Ratio = 5.47)  
Halo 4: Access the Master Chief's records on Dawn.
Unlocked by 62,281 tracked gamers (32% - TA Ratio = 1.76)  
Reclaimer18 (10)
Halo 4: Complete Reclaimer.
Unlocked by 63,337 tracked gamers (32% - TA Ratio = 1.75)  
Forerunner16 (10)
Halo 4: Complete Forerunner.
Unlocked by 72,378 tracked gamers (37% - TA Ratio = 1.64)  
Halo 4: Beat the par time on Forerunner.
Unlocked by 12,686 tracked gamers (7% - TA Ratio = 3.92)  
Halo 4: Complete a Halo 4 playlist.
Unlocked by 14,711 tracked gamers (8% - TA Ratio = 3.64)  
Requiem16 (10)
Halo 4: Complete Requiem.
Unlocked by 80,187 tracked gamers (41% - TA Ratio = 1.55)  
Interloper39 (10)
Halo 4: Beat the par time on Requiem.
Unlocked by 13,073 tracked gamers (7% - TA Ratio = 3.86)  
Halo 2: Beat the par time on Cairo Station.
Unlocked by 36,334 tracked gamers (19% - TA Ratio = 2.31)  
Halo 2: Collect the Master Chief toy in Delta Halo.
Unlocked by 22,598 tracked gamers (12% - TA Ratio = 2.93)  
Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.
Unlocked by 14,384 tracked gamers (7% - TA Ratio = 3.68)  
Halo 2: Kill 7 opponents from behind in a row without being spotted.
Unlocked by 43,142 tracked gamers (22% - TA Ratio = 2.12)  
Delta Halo15 (10)
Halo 2: Complete Delta Halo.
Unlocked by 84,466 tracked gamers (43% - TA Ratio = 1.51)  
Halo 2: Activate Terminal 6 on Delta Halo.
Unlocked by 62,153 tracked gamers (32% - TA Ratio = 1.77)  
Oracle15 (10)
Halo 2: Complete The Oracle.
Unlocked by 87,732 tracked gamers (45% - TA Ratio = 1.48)  
Halo 2: Activate Terminal 5 on The Oracle.
Unlocked by 62,143 tracked gamers (32% - TA Ratio = 1.77)  
Halo 3: Beat the par score on Halo.
Unlocked by 12,442 tracked gamers (6% - TA Ratio = 3.95)  
Halo 3: Beat the par score on every Halo 3 level.
Unlocked by 8,668 tracked gamers (4% - TA Ratio = 4.74)  
Orpheus38 (10)
Halo 3: Beat the par score on Cortana.
Unlocked by 13,474 tracked gamers (7% - TA Ratio = 3.80)  
Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.
Unlocked by 15,714 tracked gamers (8% - TA Ratio = 3.52)  
Flipyap15 (5)
Halo 3: Listen to the tale of a young Grunt named Flipyap.
Unlocked by 22,283 tracked gamers (11% - TA Ratio = 2.95)  
Vanguard28 (10)
Halo 3: Beat the par score on The Covenant.
Unlocked by 24,683 tracked gamers (13% - TA Ratio = 2.81)  
Ranger27 (10)
Halo 3: Beat the par score on The Ark.
Unlocked by 27,282 tracked gamers (14% - TA Ratio = 2.67)  
Halo 3: Beat the par score on Floodgate.
Unlocked by 20,643 tracked gamers (11% - TA Ratio = 3.07)  
Halo 3: Complete every level of the game on Normal difficulty.
Unlocked by 58,462 tracked gamers (30% - TA Ratio = 1.82)  
Askar32 (10)
Halo 3: Beat the par score on The Storm.
Unlocked by 19,011 tracked gamers (10% - TA Ratio = 3.20)  
Annual61 (10)
Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.
Unlocked by 5,208 tracked gamers (3% - TA Ratio = 6.11)  
Halo 3: Activate Terminal 7 on Halo.
Unlocked by 33,001 tracked gamers (17% - TA Ratio = 2.42)  
Halo 3: View the communique from Mendicant Bias.
Unlocked by 21,333 tracked gamers (11% - TA Ratio = 3.02)  
Halo 3: Activate all Halo 3 Terminals.
Unlocked by 22,835 tracked gamers (12% - TA Ratio = 2.92)  
Halo 3: Activate Terminal 4 on The Covenant.
Unlocked by 30,194 tracked gamers (15% - TA Ratio = 2.53)  
Halo 3: Activate Terminal 6 on The Covenant.
Unlocked by 27,477 tracked gamers (14% - TA Ratio = 2.66)  
Unto Dust13 (5)
Halo 3: Activate Terminal 5 on The Covenant.
Unlocked by 27,547 tracked gamers (14% - TA Ratio = 2.65)  
Halo 3: Activate Terminal 3 on The Ark.
Unlocked by 29,339 tracked gamers (15% - TA Ratio = 2.57)  
Halo 3: Activate Terminal 1 on The Ark.
Unlocked by 37,236 tracked gamers (19% - TA Ratio = 2.28)  
Cavalier32 (10)
Halo 3: Beat the par score on Tsavo Highway.
Unlocked by 19,521 tracked gamers (10% - TA Ratio = 3.15)  
Halo 3: Beat the par score on Crow's Nest.
Unlocked by 21,147 tracked gamers (11% - TA Ratio = 3.03)  
Guerilla29 (10)
Halo 3: Beat the par score on Sierra 117.
Unlocked by 22,716 tracked gamers (12% - TA Ratio = 2.92)  
Collect 4,000 campaign or playlist medals.
Unlocked by 63,567 tracked gamers (33% - TA Ratio = 1.75)  
Halo 3: Find and claim all Skulls in Halo 3.
Unlocked by 22,561 tracked gamers (12% - TA Ratio = 2.93)  
Halo 3: Find and claim the IWHBYD Skull on Normal or harder.
Unlocked by 28,572 tracked gamers (15% - TA Ratio = 2.61)  
Kill 100 Brutes.
Unlocked by 91,059 tracked gamers (47% - TA Ratio = 1.46)  
Halo 3: Trigger the hidden music cue in Halo 3.
Unlocked by 18,388 tracked gamers (9% - TA Ratio = 3.25)  
Halo 3: Destroy 3 total Phantoms on The Covenant.
Unlocked by 20,093 tracked gamers (10% - TA Ratio = 3.11)  
Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.
Unlocked by 37,214 tracked gamers (19% - TA Ratio = 2.28)  
Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.
Unlocked by 5,410 tracked gamers (3% - TA Ratio = 6.00)  
Halo CE: Beat the par time on The Maw.
Unlocked by 12,497 tracked gamers (6% - TA Ratio = 3.95)  
Halo CE: Beat par time on all Halo: CE levels.
Unlocked by 10,461 tracked gamers (5% - TA Ratio = 4.31)  
Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.
Unlocked by 6,378 tracked gamers (3% - TA Ratio = 5.52)  
Halo 3: Find and claim the Cowbell Skull on Normal or harder.
Unlocked by 28,892 tracked gamers (15% - TA Ratio = 2.59)  
Halo 3: Find the poster of the missing man.
Unlocked by 19,909 tracked gamers (10% - TA Ratio = 3.12)  
Halo 3: Find and claim the Fog Skull on Normal or harder.
Unlocked by 37,065 tracked gamers (19% - TA Ratio = 2.29)  
Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.
Unlocked by 44,603 tracked gamers (23% - TA Ratio = 2.08)  
Halo 3: Find and claim the Black Eye Skull on Normal or harder.
Unlocked by 52,156 tracked gamers (27% - TA Ratio = 1.93)  
Halo 3: This stuff is your history!
Unlocked by 34,845 tracked gamers (18% - TA Ratio = 2.36)  
Halo 3: Listen to the story of the Final Grunt.
Unlocked by 21,642 tracked gamers (11% - TA Ratio = 3.00)  
Halo 3: Find and claim the Mythic Skull on Normal or harder.
Unlocked by 41,058 tracked gamers (21% - TA Ratio = 2.17)  
Halo 3: Activate Terminal 2 on The Ark.
Unlocked by 31,050 tracked gamers (16% - TA Ratio = 2.50)  
Halo 3: Find and claim the Famine Skull on Normal or harder.
Unlocked by 34,450 tracked gamers (18% - TA Ratio = 2.37)  
Halo 3: On Tsavo Highway, complete the level without entering a vehicle.
Unlocked by 13,993 tracked gamers (7% - TA Ratio = 3.73)  
Halo 3: Find and claim the Tough Luck Skull on Normal or harder.
Unlocked by 42,170 tracked gamers (22% - TA Ratio = 2.14)  
Halo 3: Complete a Halo 3 playlist.
Unlocked by 15,579 tracked gamers (8% - TA Ratio = 3.53)  
Halo 3: Find and claim the Tilt Skull on Normal or harder.
Unlocked by 30,874 tracked gamers (16% - TA Ratio = 2.51)  
Halo 3: Activate Cortana's Terminal on Cortana.
Unlocked by 31,079 tracked gamers (16% - TA Ratio = 2.50)  
Halo 3: Find and claim the Catch Skull on Normal or harder.
Unlocked by 31,686 tracked gamers (16% - TA Ratio = 2.47)  
Halo 3: Find a lonely missing link.
Unlocked by 22,667 tracked gamers (12% - TA Ratio = 2.93)  
Halo 3: Find and claim the Iron Skull on Normal or harder.
Unlocked by 49,862 tracked gamers (26% - TA Ratio = 1.97)  
Primate12 (5)
Halo 3: Find your first missing links.
Unlocked by 32,285 tracked gamers (17% - TA Ratio = 2.45)  
Halo 3: Watching. Waiting. Plotting.
Unlocked by 21,959 tracked gamers (11% - TA Ratio = 2.97)  
Halo 3: Find and claim the Blind Skull on Normal or harder.
Unlocked by 56,122 tracked gamers (29% - TA Ratio = 1.86)  
Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.
Unlocked by 10,336 tracked gamers (5% - TA Ratio = 4.34)  
Return17 (10)
Halo 3: Complete Halo.
Unlocked by 69,229 tracked gamers (36% - TA Ratio = 1.67)  
Halo 3: Beat the par time on Halo.
Unlocked by 19,078 tracked gamers (10% - TA Ratio = 3.19)  
Halo 3: Beat the par time on all Halo 3 levels.
Unlocked by 10,812 tracked gamers (6% - TA Ratio = 4.24)  
Halo 3: Complete every level of the game on Easy difficulty.
Unlocked by 63,290 tracked gamers (32% - TA Ratio = 1.75)  
The Key17 (10)
Halo 3: Complete Cortana.
Unlocked by 67,884 tracked gamers (35% - TA Ratio = 1.69)  
Halo 3: Beat the par time on Cortana.
Unlocked by 14,500 tracked gamers (7% - TA Ratio = 3.66)  
Last Stand17 (10)
Halo 3: Complete The Covenant.
Unlocked by 69,611 tracked gamers (36% - TA Ratio = 1.67)  
Halo 3: Beat the par time on The Covenant.
Unlocked by 11,823 tracked gamers (6% - TA Ratio = 4.06)  
Waypoint41 (10)
Halo 3: Beat the par time on The Ark.
Unlocked by 11,685 tracked gamers (6% - TA Ratio = 4.08)  
Refuge16 (10)
Halo 3: Complete The Ark.
Unlocked by 72,554 tracked gamers (37% - TA Ratio = 1.63)  
Cleansing16 (10)
Halo 3: Complete Floodgate.
Unlocked by 74,659 tracked gamers (38% - TA Ratio = 1.61)  
Dambuster22 (10)
Halo 3: Beat the par time on Floodgate.
Unlocked by 40,098 tracked gamers (21% - TA Ratio = 2.20)  
Assault16 (10)
Halo 3: Complete The Storm.
Unlocked by 77,306 tracked gamers (40% - TA Ratio = 1.58)  
Halo 3: Beat the par time on The Storm.
Unlocked by 16,861 tracked gamers (9% - TA Ratio = 3.39)  
The Road16 (10)
Halo 3: Complete Tsavo Highway.
Unlocked by 80,213 tracked gamers (41% - TA Ratio = 1.55)  
Halo 3: Beat the par time on Tsavo Highway.
Unlocked by 36,068 tracked gamers (19% - TA Ratio = 2.32)  
Holdout15 (10)
Halo 3: Complete Crow's Nest.
Unlocked by 85,661 tracked gamers (44% - TA Ratio = 1.50)  
Time Shift31 (10)
Halo 3: Beat the par time on Crow's Nest.
Unlocked by 19,910 tracked gamers (10% - TA Ratio = 3.12)  
Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.
Unlocked by 105,332 tracked gamers (54% - TA Ratio = 1.35)  
Landfall14 (10)
Halo 3: Complete Sierra 117.
Unlocked by 93,702 tracked gamers (48% - TA Ratio = 1.44)  
Halo 3: Beat the par time on Sierra 117.
Unlocked by 23,968 tracked gamers (12% - TA Ratio = 2.85)  
Halo 2: Complete The Arbiter.
Unlocked by 91,235 tracked gamers (47% - TA Ratio = 1.46)  
Halo 2: Fly the Heretic Banshee.
Unlocked by 96,430 tracked gamers (49% - TA Ratio = 1.42)  
Inspector10 (5)
Halo 2: Activate Terminal 4 on The Arbiter.
Unlocked by 50,220 tracked gamers (26% - TA Ratio = 1.96)  
Halo 3: Destined for greatness.
Unlocked by 14,962 tracked gamers (8% - TA Ratio = 3.60)  
Metropolis14 (10)
Halo 2: Complete Metropolis.
Unlocked by 96,810 tracked gamers (50% - TA Ratio = 1.41)  
Halo 2: Activate Terminal 3 on Metropolis.
Unlocked by 63,113 tracked gamers (32% - TA Ratio = 1.75)  
Halo 2: Listen to a hidden music cue in Halo 2.
Unlocked by 30,770 tracked gamers (16% - TA Ratio = 2.51)  
Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.
Unlocked by 17,073 tracked gamers (9% - TA Ratio = 3.37)  
Outskirts14 (10)
Halo 2: Complete Outskirts.
Unlocked by 101,970 tracked gamers (52% - TA Ratio = 1.38)  
Halo 2: Activate Terminal 2 on Outskirts.
Unlocked by 49,823 tracked gamers (26% - TA Ratio = 1.97)  
Rex Sword28 (10)
Halo 2: Grab the energy sword on the level Outskirts.
Unlocked by 24,162 tracked gamers (12% - TA Ratio = 2.83)  
Halo 2: Find and claim the Blind Skull.
Unlocked by 37,893 tracked gamers (19% - TA Ratio = 2.26)  
Collect 3,000 campaign or playlist medals.
Unlocked by 76,025 tracked gamers (39% - TA Ratio = 1.60)  
Curious11 (5)
Halo 2: Activate Terminal 1 on Cairo Station.
Unlocked by 42,375 tracked gamers (22% - TA Ratio = 2.14)  
Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.
Unlocked by 25,869 tracked gamers (13% - TA Ratio = 2.74)  
Get killed by the Guardians.
Unlocked by 137,052 tracked gamers (70% - TA Ratio = 1.19)  
Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.
Unlocked by 113,773 tracked gamers (58% - TA Ratio = 1.30)  
Halo 2: Complete Cairo Station.
Unlocked by 110,897 tracked gamers (57% - TA Ratio = 1.32)  
Play a multiplayer or co-op game at least 3 months after your first game.
Unlocked by 122,902 tracked gamers (63% - TA Ratio = 1.25)  
The Maw15 (10)
Halo CE: Complete The Maw.
Unlocked by 85,328 tracked gamers (44% - TA Ratio = 1.51)  
Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
Unlocked by 53,168 tracked gamers (27% - TA Ratio = 1.91)  
Greenhorn16 (10)
Halo CE: Complete every level of the game on Easy difficulty.
Unlocked by 79,541 tracked gamers (41% - TA Ratio = 1.56)  
Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.
Unlocked by 23,878 tracked gamers (12% - TA Ratio = 2.85)  
T-Rex32 (10)
Halo CE: Find the hidden Rex sign on The Maw.
Unlocked by 18,996 tracked gamers (10% - TA Ratio = 3.20)  
Halo CE: Listen to the Thirsty Grunt talk about his eating habits.
Unlocked by 23,049 tracked gamers (12% - TA Ratio = 2.90)  
Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.
Unlocked by 32,068 tracked gamers (16% - TA Ratio = 2.46)  
Headhunter56 (20)
Halo CE: Find and claim all Skulls in Halo: CE.
Unlocked by 24,506 tracked gamers (13% - TA Ratio = 2.81)  
Halo CE: Activate Terminal 10 on The Maw.
Unlocked by 66,925 tracked gamers (34% - TA Ratio = 1.70)  
Halo CE: Activate all Halo: CE Terminals.
Unlocked by 28,584 tracked gamers (15% - TA Ratio = 2.61)  
Keyes15 (10)
Halo CE: Complete Keyes.
Unlocked by 85,818 tracked gamers (44% - TA Ratio = 1.50)  
Halo CE: Beat the par time on Keyes.
Unlocked by 15,477 tracked gamers (8% - TA Ratio = 3.54)  
Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.
Unlocked by 24,415 tracked gamers (13% - TA Ratio = 2.82)  
Halo CE: Activate Terminal 9 on Keyes.
Unlocked by 49,706 tracked gamers (26% - TA Ratio = 1.97)  
Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.
Unlocked by 6,875 tracked gamers (4% - TA Ratio = 5.32)  
Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.
Unlocked by 8,606 tracked gamers (4% - TA Ratio = 4.75)  
Halo CE: Beat the par time on Two Betrayals.
Unlocked by 11,635 tracked gamers (6% - TA Ratio = 4.09)  
Halo CE: Complete Two Betrayals.
Unlocked by 87,068 tracked gamers (45% - TA Ratio = 1.49)  
Halo CE: Find and claim the Pinata skull in remastered mode.
Unlocked by 31,547 tracked gamers (16% - TA Ratio = 2.48)  
Memories10 (5)
Halo CE: Activate Terminal 8 on Two Betrayals.
Unlocked by 51,243 tracked gamers (26% - TA Ratio = 1.94)  
Complete 500 missions or multiplayer games.
Unlocked by 16,115 tracked gamers (8% - TA Ratio = 3.47)  
I Got This18 (10)
Complete 100 missions or multiplayer games.
Unlocked by 60,314 tracked gamers (31% - TA Ratio = 1.79)  
Complete 200 missions or multiplayer games.
Unlocked by 36,520 tracked gamers (19% - TA Ratio = 2.30)  
Complete 150 missions or multiplayer games.
Unlocked by 45,606 tracked gamers (23% - TA Ratio = 2.06)  
Complete 250 missions or multiplayer games.
Unlocked by 30,389 tracked gamers (16% - TA Ratio = 2.53)  
Complete 300 missions or multiplayer games.
Unlocked by 25,837 tracked gamers (13% - TA Ratio = 2.74)  
Committed29 (10)
Complete 350 missions or multiplayer games.
Unlocked by 22,492 tracked gamers (12% - TA Ratio = 2.94)  
Complete 400 missions or multiplayer games.
Unlocked by 19,919 tracked gamers (10% - TA Ratio = 3.12)  
Complete 450 missions or multiplayer games.
Unlocked by 17,806 tracked gamers (9% - TA Ratio = 3.30)  
Foe Hammer15 (10)
Kill 5,000 enemies or players.
Unlocked by 86,661 tracked gamers (44% - TA Ratio = 1.49)  
Win 10 multiplayer games.
Unlocked by 77,856 tracked gamers (40% - TA Ratio = 1.58)  
Game On15 (10)
Complete 50 missions or multiplayer games.
Unlocked by 91,305 tracked gamers (47% - TA Ratio = 1.46)  
Halo CE: Find and claim the Eye Patch skull in remastered mode.
Unlocked by 36,088 tracked gamers (19% - TA Ratio = 2.32)  
Kill 1000 Flood.
Unlocked by 93,890 tracked gamers (48% - TA Ratio = 1.44)  
Halo CE: Activate Terminal 7 on The Library.
Unlocked by 39,203 tracked gamers (20% - TA Ratio = 2.22)  
Collect 2,000 campaign or playlist medals.
Unlocked by 91,758 tracked gamers (47% - TA Ratio = 1.45)  
Halo CE: Complete The Library.
Unlocked by 91,684 tracked gamers (47% - TA Ratio = 1.45)  
TLDR33 (10)
Halo CE: Beat the par time on The Library.
Unlocked by 18,037 tracked gamers (9% - TA Ratio = 3.28)  
Halo CE: Find and claim the Black Eye skull in remastered mode.
Unlocked by 29,961 tracked gamers (15% - TA Ratio = 2.55)  
Halo CE: Beat the par time on 343 Guilty Spark.
Unlocked by 15,714 tracked gamers (8% - TA Ratio = 3.52)  
Halo CE: Complete 343 Guilty Spark.
Unlocked by 94,819 tracked gamers (49% - TA Ratio = 1.43)  
Halo CE: Activate Terminal 6 on 343 Guilty Spark.
Unlocked by 33,368 tracked gamers (17% - TA Ratio = 2.41)  
Kill 100 Flood.
Unlocked by 118,154 tracked gamers (61% - TA Ratio = 1.28)  
Halo CE: Find and claim the Recession skull in remastered mode.
Unlocked by 39,127 tracked gamers (20% - TA Ratio = 2.23)  
Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.
Unlocked by 27,119 tracked gamers (14% - TA Ratio = 2.68)  
Halo CE: Beat the par time on Assault on the Control Room.
Unlocked by 13,266 tracked gamers (7% - TA Ratio = 3.83)  
Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.
Unlocked by 14,760 tracked gamers (8% - TA Ratio = 3.63)  
Halo CE: Trigger a hidden music cue in Halo: CE.
Unlocked by 19,066 tracked gamers (10% - TA Ratio = 3.19)  
Kill 50 Hunters.
Unlocked by 68,576 tracked gamers (35% - TA Ratio = 1.68)  
Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.
Unlocked by 48,680 tracked gamers (25% - TA Ratio = 2.00)  
Halo CE: Complete Assault on the Control Room.
Unlocked by 100,479 tracked gamers (52% - TA Ratio = 1.39)  
Halo CE: Activate Terminal 5 on Assault on the Control Room.
Unlocked by 49,963 tracked gamers (26% - TA Ratio = 1.97)  
Halo CE: Find and claim the Malfunction skull in remastered mode.
Unlocked by 35,758 tracked gamers (18% - TA Ratio = 2.33)  
Halo CE: Find and claim the Fog skull in remastered mode.
Unlocked by 30,872 tracked gamers (16% - TA Ratio = 2.51)  
Halo 4: Play a game of Halo 4 on the 6th of any month.
Unlocked by 47,296 tracked gamers (24% - TA Ratio = 2.02)  
Inscrutable. Mysterious.
Unlocked by 31,838 tracked gamers (16% - TA Ratio = 2.47)  
Pacifist43 (10)
Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.
Unlocked by 10,524 tracked gamers (5% - TA Ratio = 4.30)  
Halo CE: Kill a Hunter with one pistol round.
Unlocked by 53,885 tracked gamers (28% - TA Ratio = 1.90)  
Beachhead27 (10)
Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.
Unlocked by 27,565 tracked gamers (14% - TA Ratio = 2.65)  
Halo 3: Play a game of Halo 3 on the 25th of any month.
Unlocked by 53,167 tracked gamers (27% - TA Ratio = 1.91)  
Kill 1000 Grunts.
Unlocked by 101,459 tracked gamers (52% - TA Ratio = 1.38)  
Halo CE: Beat the par time on The Silent Cartographer.
Unlocked by 17,618 tracked gamers (9% - TA Ratio = 3.32)  
Halo CE: Complete The Silent Cartographer.
Unlocked by 111,764 tracked gamers (57% - TA Ratio = 1.32)  
Halo CE: Find and claim the Famine skull in remastered mode.
Unlocked by 55,249 tracked gamers (28% - TA Ratio = 1.87)  
Halo CE: Find and claim the Bandanna skull in remastered mode.
Unlocked by 32,583 tracked gamers (17% - TA Ratio = 2.44)  
Collect 1,000 campaign or playlist medals.
Unlocked by 114,739 tracked gamers (59% - TA Ratio = 1.30)  
Halo CE: Activate Terminal 4 on The Silent Cartographer.
Unlocked by 78,681 tracked gamers (40% - TA Ratio = 1.57)  
Halo CE: Beat the par time on The Truth and Reconciliation.
Unlocked by 13,109 tracked gamers (7% - TA Ratio = 3.85)  
Halo CE: Complete The Truth and Reconciliation.
Unlocked by 118,407 tracked gamers (61% - TA Ratio = 1.28)  
Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.
Unlocked by 55,463 tracked gamers (28% - TA Ratio = 1.87)  
Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Unlocked by 97,428 tracked gamers (50% - TA Ratio = 1.41)  
Halo CE: Find and claim the Foreign skull in remastered mode.
Unlocked by 50,949 tracked gamers (26% - TA Ratio = 1.95)  
Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.
Unlocked by 20,585 tracked gamers (11% - TA Ratio = 3.07)  
Kill 100 Jackals.
Unlocked by 142,491 tracked gamers (73% - TA Ratio = 1.16)  
Halo CE: Play a CTF custom game on Blood Gulch with 4 players on the same console. Tri-tip optional.
Unlocked by 9,046 tracked gamers (5% - TA Ratio = 4.64)  
Halo CE: Beat the par time on Halo.
Unlocked by 15,932 tracked gamers (8% - TA Ratio = 3.49)  
Collect 500 campaign or playlist medals.
Unlocked by 133,715 tracked gamers (69% - TA Ratio = 1.20)  
Halo CE: Destroy three of the four Banshees on Halo during a single play-through.
Unlocked by 23,647 tracked gamers (12% - TA Ratio = 2.87)  
Halo CE: Play Halo: CE on the 15th of any month.
Unlocked by 66,405 tracked gamers (34% - TA Ratio = 1.71)  
Complete 10 missions or multiplayer games.
Unlocked by 148,070 tracked gamers (76% - TA Ratio = 1.14)  
Kill 100 Elites.
Unlocked by 149,645 tracked gamers (77% - TA Ratio = 1.14)  
Arrival9 (5)
Halo CE: Activate Terminal 1 on The Pillar of Autumn.
Unlocked by 63,094 tracked gamers (32% - TA Ratio = 1.75)  
Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.
Unlocked by 36,421 tracked gamers (19% - TA Ratio = 2.31)  
Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.
Unlocked by 28,163 tracked gamers (14% - TA Ratio = 2.63)  
Complete any co-op level on Normal difficulty.
Unlocked by 117,962 tracked gamers (61% - TA Ratio = 1.28)  
Complete any co-op level on Heroic difficulty.
Unlocked by 91,992 tracked gamers (47% - TA Ratio = 1.45)  
Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.
Unlocked by 54,302 tracked gamers (28% - TA Ratio = 1.89)  
Bro Hammer16 (10)
Complete any co-op level on Legendary difficulty.
Unlocked by 76,164 tracked gamers (39% - TA Ratio = 1.59)  
Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
Unlocked by 157,269 tracked gamers (81% - TA Ratio = 1.11)  
Megg31 (10)
Halo CE: It's a sign.
Unlocked by 20,459 tracked gamers (10% - TA Ratio = 3.08)  
Halo12 (10)
Halo CE: Complete Halo.
Unlocked by 138,842 tracked gamers (71% - TA Ratio = 1.18)  
Halo CE: Complete Halo without entering a vehicle.
Unlocked by 21,621 tracked gamers (11% - TA Ratio = 3.00)  
Halo CE: Activate Terminal 2 on Halo.
Unlocked by 107,742 tracked gamers (55% - TA Ratio = 1.34)  
Halo CE: Find and claim the Boom skull in remastered mode.
Unlocked by 46,945 tracked gamers (24% - TA Ratio = 2.03)  
Kill 100 Grunts.
Unlocked by 174,026 tracked gamers (89% - TA Ratio = 1.05)  
Halo CE: Find and claim the Mythic skull in remastered mode.
Unlocked by 62,349 tracked gamers (32% - TA Ratio = 1.76)  
Complete a campaign mission or a match of multiplayer.
Unlocked by 192,938 tracked gamers (99% - TA Ratio = 1.00)  
Halo CE: Beat the par time on The Pillar of Autumn.
Unlocked by 62,625 tracked gamers (32% - TA Ratio = 1.76)  
Halo CE: Complete a level without jumping.
Unlocked by 23,157 tracked gamers (12% - TA Ratio = 2.90)  
Kill 100 enemies or players.
Unlocked by 184,293 tracked gamers (95% - TA Ratio = 1.02)  
Halo CE: Complete The Pillar of Autumn.
Unlocked by 164,269 tracked gamers (84% - TA Ratio = 1.08)  
Halo CE: Find and claim the Iron skull in remastered mode.
Unlocked by 58,552 tracked gamers (30% - TA Ratio = 1.82)  
Checkmate13 (5)
38% Kill 100 Watchers. Progress: 38 of 100 = 38%
Unlocked by 28,750 tracked gamers (15% - TA Ratio = 2.60)  
97% Collect 10,000 campaign or playlist medals. Progress: 9,701 of 10,000 = 97%
Unlocked by 24,148 tracked gamers (12% - TA Ratio = 2.84)  
Sample Plate105 (20)
67% Complete three cross-game playlists. Progress: 2 of 3 = 67%
Unlocked by 7,112 tracked gamers (4% - TA Ratio = 5.23)  
Legend188 (50)
Complete all campaigns on Legendary difficulty.
Unlocked by 13,784 tracked gamers (7% - TA Ratio = 3.76)  
Charted49 (10)
3% Halo CE: Beat the par score on The Silent Cartographer. Progress: 807 of 25,000 = 3%
Unlocked by 8,186 tracked gamers (4% - TA Ratio = 4.88)  
27% Halo CE: Beat the par score on Assault on the Control Room. Progress: 6,720 of 25,000 = 27%
Unlocked by 9,201 tracked gamers (5% - TA Ratio = 4.60)  
17% Halo CE: Beat the par score on Halo. Progress: 4,368 of 25,000 = 17%
Unlocked by 10,391 tracked gamers (5% - TA Ratio = 4.33)  
8% Halo CE: Beat the par score on The Truth and Reconciliation. Progress: 1,892 of 25,000 = 8%
Unlocked by 9,251 tracked gamers (5% - TA Ratio = 4.59)  
13% Halo CE: Beat the par score on 343 Guilty Spark. Progress: 3,363 of 25,000 = 13%
Unlocked by 8,992 tracked gamers (5% - TA Ratio = 4.65)  
11% Halo CE: Beat the par score on The Library. Progress: 2,854 of 25,000 = 11%
Unlocked by 18,286 tracked gamers (9% - TA Ratio = 3.26)  
11% Halo CE: Beat the par score on Two Betrayals. Progress: 2,693 of 25,000 = 11%
Unlocked by 8,052 tracked gamers (4% - TA Ratio = 4.92)  
Headstrong47 (10)
12% Halo CE: Beat the par score on Keyes. Progress: 3,047 of 25,000 = 12%
Unlocked by 8,741 tracked gamers (4% - TA Ratio = 4.72)  
5% Halo CE: Beat the par score on The Maw. Progress: 1,323 of 25,000 = 5%
Unlocked by 7,804 tracked gamers (4% - TA Ratio = 5.00)  
Overachiever125 (20)
Halo CE: Beat the par score on all Halo: CE levels.
Unlocked by 5,004 tracked gamers (3% - TA Ratio = 6.24)  
Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.
Unlocked by 6,226 tracked gamers (3% - TA Ratio = 5.59)  
33% Halo CE: Complete three Halo: CE playlists. Progress: 1 of 3 = 33%
Unlocked by 6,312 tracked gamers (3% - TA Ratio = 5.55)  
33% Halo 2: Beat the par score on The Oracle. Progress: 8,323 of 25,000 = 33%
Unlocked by 9,783 tracked gamers (5% - TA Ratio = 4.46)  
13% Halo 2: Beat the par score on Regret. Progress: 3,280 of 25,000 = 13%
Unlocked by 13,423 tracked gamers (7% - TA Ratio = 3.81)  
6% Halo 2: Beat the par score on Sacred Icon. Progress: 1,515 of 25,000 = 6%
Unlocked by 6,815 tracked gamers (3% - TA Ratio = 5.34)  
11% Halo 2: Beat the par score on Quarantine Zone. Progress: 2,650 of 25,000 = 11%
Unlocked by 10,072 tracked gamers (5% - TA Ratio = 4.40)  
31% Halo 2: Beat the par score on Gravemind. Progress: 7,832 of 25,000 = 31%
Unlocked by 10,104 tracked gamers (5% - TA Ratio = 4.39)  
1% Halo 2: Beat the par score on Uprising. Progress: 321 of 25,000 = 1%
Unlocked by 5,999 tracked gamers (3% - TA Ratio = 5.70)  
9% Halo 2: Beat the par score on High Charity. Progress: 2,184 of 25,000 = 9%
Unlocked by 7,861 tracked gamers (4% - TA Ratio = 4.98)  
15% Halo 2: Beat the par score on The Great Journey. Progress: 3,767 of 25,000 = 15%
Unlocked by 19,408 tracked gamers (10% - TA Ratio = 3.16)  
Arcade Owner127 (20)
Halo 2: Beat the par score on every Halo 2 level.
Unlocked by 4,855 tracked gamers (2% - TA Ratio = 6.33)  
Halo 2: Find and claim the Thunderstorm Skull on Legendary.
Unlocked by 24,153 tracked gamers (12% - TA Ratio = 2.84)  
Halo 2: Find and claim the Catch Skull on Legendary.
Unlocked by 18,946 tracked gamers (10% - TA Ratio = 3.20)  
Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.
Unlocked by 19,345 tracked gamers (10% - TA Ratio = 3.17)  
Halo 2: Find and claim the Famine Skull on Legendary.
Unlocked by 18,471 tracked gamers (9% - TA Ratio = 3.24)  
Halo 2: Find and claim the Envy Skull on Legendary.
Unlocked by 18,170 tracked gamers (9% - TA Ratio = 3.27)  
Halo 2: Find and claim the Mythic Skull on Legendary.
Unlocked by 16,229 tracked gamers (8% - TA Ratio = 3.46)  
Halo 2: Find and claim the Anger Skull on Legendary.
Unlocked by 16,234 tracked gamers (8% - TA Ratio = 3.46)  
Halo 2: Find and claim the Ghost Skull on Legendary.
Unlocked by 15,219 tracked gamers (8% - TA Ratio = 3.57)  
Halo 2: Find and claim the Iron Skull on Legendary.
Unlocked by 18,522 tracked gamers (10% - TA Ratio = 3.24)  
Halo 2: Find and claim the Black Eye Skull on Legendary.
Unlocked by 15,720 tracked gamers (8% - TA Ratio = 3.52)  
33% Halo 2: Find and claim all Skulls in Halo 2. Progress: 5 of 15 = 33%
Unlocked by 13,166 tracked gamers (7% - TA Ratio = 3.84)  
Halo 2: Complete every level of the game on Legendary difficulty.
Unlocked by 18,688 tracked gamers (10% - TA Ratio = 3.22)  
Connoisseur116 (20)
33% Halo 2: Complete three Halo 2 playlists. Progress: 1 of 3 = 33%
Unlocked by 5,754 tracked gamers (3% - TA Ratio = 5.82)  
Halo 2: Acquire the Scarab Gun.
Unlocked by 14,421 tracked gamers (7% - TA Ratio = 3.67)  
Halo 4: Complete every level of the game on Legendary difficulty, by yourself.
Unlocked by 11,559 tracked gamers (6% - TA Ratio = 4.10)  
Halo 2: She's not picking up.
Unlocked by 8,970 tracked gamers (5% - TA Ratio = 4.66)  
76% Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3. Progress: 31 of 41 = 76%
Unlocked by 11,446 tracked gamers (6% - TA Ratio = 4.12)  
98% Kill 1000 Brutes. Progress: 979 of 1,000 = 98%
Unlocked by 31,152 tracked gamers (16% - TA Ratio = 2.50)  
Wyrmslayer45 (10)
55% Kill 250 Hunters. Progress: 137 of 250 = 55%
Unlocked by 9,672 tracked gamers (5% - TA Ratio = 4.48)  
4% Kill 1000 Watchers. Progress: 38 of 1,000 = 4%
Unlocked by 2,982 tracked gamers (2% - TA Ratio = 8.08)  
Knightbane77 (10)
10% Kill 1000 Knights. Progress: 101 of 1,000 = 10%
Unlocked by 3,250 tracked gamers (2% - TA Ratio = 7.74)  
Dogcatcher38 (10)
28% Kill 1000 Crawlers. Progress: 279 of 1,000 = 28%
Unlocked by 13,488 tracked gamers (7% - TA Ratio = 3.80)  
Title update: Title Update 1
2,105
(500)
3.7 from 226 votes

132,611 tracked gamers have this dlc pack, 1,231 have completed it (0.93%)

There are a maximum of 50 achievements worth 2,105 (500)

There are no reviews | Estimated completion: 200+ hours

Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.
Unlocked by 13,432 tracked gamers (7% - TA Ratio = 3.80)  
Halo 2A MP: Win 10 matches on Bloodline in multiplayer.
Unlocked by 14,938 tracked gamers (8% - TA Ratio = 3.61)  
Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.
Unlocked by 25,097 tracked gamers (13% - TA Ratio = 2.78)  
Halo 2A MP: Get 30 kills with the Hornet in multiplayer.
Unlocked by 13,290 tracked gamers (7% - TA Ratio = 3.82)  
Halo 2A MP: Get a kill with the Gungoose while airborne.
Unlocked by 15,529 tracked gamers (8% - TA Ratio = 3.54)  
Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.
Unlocked by 16,143 tracked gamers (8% - TA Ratio = 3.47)  
Wetwork19 (5)
Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.
Unlocked by 14,224 tracked gamers (7% - TA Ratio = 3.70)  
Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.
Unlocked by 22,461 tracked gamers (12% - TA Ratio = 2.94)  
Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.
Unlocked by 18,538 tracked gamers (10% - TA Ratio = 3.24)  
Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.
Unlocked by 12,720 tracked gamers (7% - TA Ratio = 3.91)  
Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.
Unlocked by 12,197 tracked gamers (6% - TA Ratio = 3.99)  
Devastating209 (30)
Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.
Unlocked by 4,032 tracked gamers (2% - TA Ratio = 6.95)  
Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.
Unlocked by 3,743 tracked gamers (2% - TA Ratio = 7.21)  
Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.
Unlocked by 57,773 tracked gamers (30% - TA Ratio = 1.83)  
MVP22 (10)
Halo 2A MP: Finished as the top player on the winning team in a matchmade game.
Unlocked by 42,093 tracked gamers (22% - TA Ratio = 2.15)  
Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.
Unlocked by 76,440 tracked gamers (39% - TA Ratio = 1.59)  
Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.
Unlocked by 15,714 tracked gamers (8% - TA Ratio = 3.52)  
Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.
Unlocked by 59,960 tracked gamers (31% - TA Ratio = 1.80)  
Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.
Unlocked by 25,418 tracked gamers (13% - TA Ratio = 2.76)  
Created and saved 5 Custom Game types.
Unlocked by 20,543 tracked gamers (11% - TA Ratio = 3.08)  
Created and saved 5 Custom Maps in Forge.
Unlocked by 22,415 tracked gamers (11% - TA Ratio = 2.94)  
Halo 3: He's watching you.
Unlocked by 20,895 tracked gamers (11% - TA Ratio = 3.05)  
Halo 3: Who DARED to discard this brave animal?
Unlocked by 21,820 tracked gamers (11% - TA Ratio = 2.98)  
Halo 2: View this hidden message on the classic Beaver Creek map.
Unlocked by 26,313 tracked gamers (13% - TA Ratio = 2.72)  
Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.
Unlocked by 26,068 tracked gamers (13% - TA Ratio = 2.73)  
Halo 2: View the smiling face in the classic multiplayer map Coagulation.
Unlocked by 26,001 tracked gamers (13% - TA Ratio = 2.73)  
Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.
Unlocked by 26,371 tracked gamers (14% - TA Ratio = 2.71)  
Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.
Unlocked by 15,945 tracked gamers (8% - TA Ratio = 3.49)  
Halo 3: View 2 different sigils on Valhalla.
Unlocked by 12,200 tracked gamers (6% - TA Ratio = 3.99)  
Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.
Unlocked by 46,634 tracked gamers (24% - TA Ratio = 2.04)  
Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.
Unlocked by 26,900 tracked gamers (14% - TA Ratio = 2.69)  
Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.
Unlocked by 27,414 tracked gamers (14% - TA Ratio = 2.66)  
Power Play34 (10)
Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.
Unlocked by 16,734 tracked gamers (9% - TA Ratio = 3.41)  
Halo 2A MP: Get 25 melee kills in multiplayer.
Unlocked by 31,456 tracked gamers (16% - TA Ratio = 2.48)  
Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.
Unlocked by 27,687 tracked gamers (14% - TA Ratio = 2.65)  
Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.
Unlocked by 18,526 tracked gamers (10% - TA Ratio = 3.24)  
Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.
Unlocked by 28,078 tracked gamers (14% - TA Ratio = 2.63)  
Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.
Unlocked by 27,835 tracked gamers (14% - TA Ratio = 2.64)  
Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.
Unlocked by 28,240 tracked gamers (14% - TA Ratio = 2.62)  
Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.
Unlocked by 26,685 tracked gamers (14% - TA Ratio = 2.70)  
Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.
Unlocked by 44,820 tracked gamers (23% - TA Ratio = 2.08)  
Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.
Unlocked by 27,551 tracked gamers (14% - TA Ratio = 2.65)  
Warden17 (10)
Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.
Unlocked by 70,498 tracked gamers (36% - TA Ratio = 1.66)  
Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.
Unlocked by 80,272 tracked gamers (41% - TA Ratio = 1.55)  
Kill a 343 developer in matchmaking or someone who has this achievement.
Unlocked by 124,996 tracked gamers (64% - TA Ratio = 1.24)  
Halo 2A MP: Kill an opponent by detonating a Fusion Coil.
Unlocked by 44,963 tracked gamers (23% - TA Ratio = 2.08)  
Goat Roped259 (30)
Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.
Unlocked by 2,613 tracked gamers (1% - TA Ratio = 8.63)  
Monopolized324 (30)
Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.
Unlocked by 1,675 tracked gamers (1% - TA Ratio = 10.79)  
Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.
Unlocked by 13,480 tracked gamers (7% - TA Ratio = 3.80)  
Zealot41 (10)
Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.
Unlocked by 11,371 tracked gamers (6% - TA Ratio = 4.13)  
Title update: Title Update 2
2,173
(500)
3.6 from 187 votes

87,674 tracked gamers have this dlc pack, 1,327 have completed it (1.51%)

There are a maximum of 50 achievements worth 2,173 (500)

There are no reviews | Estimated completion: 200+ hours

Halo 2: Complete a match on at least 4 different game types in classic multiplayer.
Unlocked by 24,281 tracked gamers (12% - TA Ratio = 2.83)  
Tourist25 (10)
Halo 2: Complete a match on at least 8 different classic multiplayer maps.
Unlocked by 31,516 tracked gamers (16% - TA Ratio = 2.48)  
Halo 3: Complete a match on at least 4 different game types in multiplayer.
Unlocked by 38,282 tracked gamers (20% - TA Ratio = 2.25)  
Halo 4: Why are you even here?
Unlocked by 15,265 tracked gamers (8% - TA Ratio = 3.57)  
Complete 1 mission with the LASO playlist skulls enabled.
Unlocked by 8,109 tracked gamers (4% - TA Ratio = 4.90)  
Halo 4: Assassinate a Knight in any Spartan Ops mission.
Unlocked by 18,635 tracked gamers (10% - TA Ratio = 3.23)  
Halo 4: Complete a match on at least 8 different multiplayer maps.
Unlocked by 40,713 tracked gamers (21% - TA Ratio = 2.18)  
Taste Test23 (10)
Halo 4: Complete a match on at least 4 different game types in multiplayer.
Unlocked by 35,600 tracked gamers (18% - TA Ratio = 2.33)  
Halo CE: Complete a match on at least 8 different classic multiplayer maps.
Unlocked by 20,232 tracked gamers (10% - TA Ratio = 3.10)  
Halo CE: Complete a match on at least 4 unique game types.
Unlocked by 14,876 tracked gamers (8% - TA Ratio = 3.61)  
Halo 3: Find the hidden Skull on the Longshore multilayer map.
Unlocked by 22,459 tracked gamers (12% - TA Ratio = 2.94)  
Brainpan30 (10)
Halo 3: Find all the hidden multiplayer Skulls.
Unlocked by 21,249 tracked gamers (11% - TA Ratio = 3.02)  
Halo 3: Complete a match on at least 8 different multiplayer maps.
Unlocked by 51,138 tracked gamers (26% - TA Ratio = 1.95)  
Halo 3: Find the hidden Skull on the Heretic multiplayer map.
Unlocked by 22,073 tracked gamers (11% - TA Ratio = 2.97)  
Halo 3: Find the hidden Skull on the Citadel multiplayer map.
Unlocked by 22,034 tracked gamers (11% - TA Ratio = 2.97)  
Halo 3: Find the hidden Skull on the Sandbox multiplayer map.
Unlocked by 22,325 tracked gamers (11% - TA Ratio = 2.95)  
Halo 3: Find the hidden Skull on the Orbital multiplayer map.
Unlocked by 22,415 tracked gamers (11% - TA Ratio = 2.94)  
Halo 3: Find the hidden Skull on the Assembly multiplayer map.
Unlocked by 22,699 tracked gamers (12% - TA Ratio = 2.93)  
Exodus37 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 10.
Unlocked by 14,419 tracked gamers (7% - TA Ratio = 3.67)  
Feet First37 (10)
Halo 4: Complete all Spartan Ops chapters.
Unlocked by 14,050 tracked gamers (7% - TA Ratio = 3.72)  
Halo 4: Complete all Spartan Ops chapters on Normal difficulty.
Unlocked by 13,592 tracked gamers (7% - TA Ratio = 3.78)  
Hazard Pay79 (20)
Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.
Unlocked by 12,365 tracked gamers (6% - TA Ratio = 3.96)  
Icarus121 (30)
Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.
Unlocked by 12,022 tracked gamers (6% - TA Ratio = 4.02)  
Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.
Unlocked by 11,091 tracked gamers (6% - TA Ratio = 4.19)  
Key37 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 9.
Unlocked by 14,469 tracked gamers (7% - TA Ratio = 3.66)  
Expendable36 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 8.
Unlocked by 14,781 tracked gamers (8% - TA Ratio = 3.63)  
Invasion36 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 7.
Unlocked by 15,160 tracked gamers (8% - TA Ratio = 3.58)  
Scattered35 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 6.
Unlocked by 15,591 tracked gamers (8% - TA Ratio = 3.53)  
Halo 4: Complete all chapters in Spartan Ops Episode 5.
Unlocked by 16,434 tracked gamers (8% - TA Ratio = 3.44)  
Halo 4: Complete all chapters in Spartan Ops Episode 4.
Unlocked by 18,031 tracked gamers (9% - TA Ratio = 3.28)  
Catherine31 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 3.
Unlocked by 19,782 tracked gamers (10% - TA Ratio = 3.13)  
Artifact29 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 2.
Unlocked by 22,825 tracked gamers (12% - TA Ratio = 2.92)  
Departure26 (10)
Halo 4: Complete all chapters in Spartan Ops Episode 1.
Unlocked by 29,384 tracked gamers (15% - TA Ratio = 2.57)  
Halo 4: Complete a Spartan Ops mission.
Unlocked by 60,573 tracked gamers (31% - TA Ratio = 1.79)  
Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.
Unlocked by 6,095 tracked gamers (3% - TA Ratio = 5.65)  
Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.
Unlocked by 8,221 tracked gamers (4% - TA Ratio = 4.86)  
Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.
Unlocked by 6,285 tracked gamers (3% - TA Ratio = 5.56)  
3% Earn a total of 2,500 Assist medals in multiplayer. Progress: 68 of 2,500 = 3%
Unlocked by 3,871 tracked gamers (2% - TA Ratio = 7.09)  
1% Earn a total of 2,500 Headshot medals in multiplayer. Progress: 34 of 2,500 = 1%
Unlocked by 10,386 tracked gamers (5% - TA Ratio = 4.33)  
Dim Mak54 (10)
19% Earn a total of 250 Beat Down medals in multiplayer. Progress: 48 of 250 = 19%
Unlocked by 6,702 tracked gamers (3% - TA Ratio = 5.39)  
Domination89 (10)
1% Earn a total of 100 Legendary medals in matchmade games. Progress: 1 of 100 = 1%
Unlocked by 2,433 tracked gamers (1% - TA Ratio = 8.94)  
1% Earn a total of 250 Double Kill medals in matchmade games. Progress: 2 of 250 = 1%
Unlocked by 8,229 tracked gamers (4% - TA Ratio = 4.86)  
1% Earn a total of 100 Killing Spree medals in matchmade games. Progress: 1 of 100 = 1%
Unlocked by 8,789 tracked gamers (5% - TA Ratio = 4.70)  
Catch This79 (10)
0% Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games. Progress: 2 of 500 = 0%
Unlocked by 3,140 tracked gamers (2% - TA Ratio = 7.87)  
0% Earn a total of 250 Killjoy medals in matchmade games. Progress: 1 of 250 = 0%
Unlocked by 3,075 tracked gamers (2% - TA Ratio = 7.96)  
Earn a total of 250 CTF Mode Specific medals in matchmade games.
Unlocked by 4,536 tracked gamers (2% - TA Ratio = 6.55)  
Earn a total of 250 KOTH Mode Specific medals in matchmade games.
Unlocked by 3,488 tracked gamers (2% - TA Ratio = 7.47)  
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.
Unlocked by 2,147 tracked gamers (1% - TA Ratio = 9.52)  
1% Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals. Progress: 1 of 100 = 1%
Unlocked by 2,246 tracked gamers (1% - TA Ratio = 9.30)  
Airborne53 (10)
Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.
Unlocked by 6,903 tracked gamers (4% - TA Ratio = 5.31)  
Title update: Title Update 3
33
(10)
3.9 from 167 votes

17,378 tracked gamers have this dlc pack, 17,378 have completed it (100.00%)

There are a maximum of 1 achievement worth 33 (10)

There are no reviews | Estimated completion: 0-1 hour

H2A: Found and destroyed the BLAST soda can on Remnant..
Unlocked by 17,371 tracked gamers (9% - TA Ratio = 3.34)  
Add-on: Halo 3: ODST
2,825
(990)
4.5 from 251 votes

Buy now from the Microsoft Store

60,563 tracked gamers have this dlc pack, 1,657 have completed it (2.74%)

There are a maximum of 99 achievements worth 2,825 (990)

There is 1 review | Estimated completion: 20-25 hours

H3: ODST: Complete a Halo 3: ODST LASO Campaign playlist.
Unlocked by 2,647 tracked gamers (4% - TA Ratio = 6.42)  
Trifecta90 (20)
H3: ODST: Complete three Halo 3: ODST playlists.
Unlocked by 5,428 tracked gamers (9% - TA Ratio = 4.47)  
Audiophile30 (10)
H3: ODST: Find the 30th Audio Log.
Unlocked by 12,329 tracked gamers (20% - TA Ratio = 2.96)  
H3: ODST: Find all 30 Audio Logs.
Unlocked by 12,153 tracked gamers (20% - TA Ratio = 2.98)  
H3: ODST: Find the 29th Audio Log.
Unlocked by 13,500 tracked gamers (22% - TA Ratio = 2.83)  
H3: ODST: Find the 28th Audio Log.
Unlocked by 13,886 tracked gamers (23% - TA Ratio = 2.79)  
H3: ODST: Find the 27th Audio Log.
Unlocked by 14,089 tracked gamers (23% - TA Ratio = 2.77)  
Archivist14 (5)
H3: ODST: Find the 26th Audio Log.
Unlocked by 14,269 tracked gamers (24% - TA Ratio = 2.75)  
H3: ODST: Find the 25th Audio Log.
Unlocked by 14,403 tracked gamers (24% - TA Ratio = 2.74)  
H3: ODST: Find the 24th Audio Log.
Unlocked by 14,584 tracked gamers (24% - TA Ratio = 2.72)  
Spotter14 (5)
H3: ODST: Find the 23rd Audio Log.
Unlocked by 14,775 tracked gamers (24% - TA Ratio = 2.71)  
H3: ODST: Find the 22nd Audio Log.
Unlocked by 14,977 tracked gamers (25% - TA Ratio = 2.69)  
Scout13 (5)
H3: ODST: Find the 21st Audio Log.
Unlocked by 15,224 tracked gamers (25% - TA Ratio = 2.67)  
Observant13 (5)
H3: ODST: Find the 20th Audio Log.
Unlocked by 15,476 tracked gamers (26% - TA Ratio = 2.64)  
Watchful13 (5)
H3: ODST: Find the 19th Audio Log.
Unlocked by 15,772 tracked gamers (26% - TA Ratio = 2.62)  
Attentive13 (5)
H3: ODST: Find the 18th Audio Log.
Unlocked by 16,145 tracked gamers (27% - TA Ratio = 2.59)  
H3: ODST: Find the 17th Audio Log.
Unlocked by 16,565 tracked gamers (27% - TA Ratio = 2.56)  
H3: ODST: Find the 16th Audio Log.
Unlocked by 17,047 tracked gamers (28% - TA Ratio = 2.52)  
All Ears12 (5)
H3: ODST: Find the 15th Audio Log.
Unlocked by 17,658 tracked gamers (29% - TA Ratio = 2.48)  
H3: ODST: Find the 14th Audio Log.
Unlocked by 18,348 tracked gamers (30% - TA Ratio = 2.43)  
H3: ODST: Find the 13th Audio Log.
Unlocked by 19,256 tracked gamers (32% - TA Ratio = 2.37)  
Give Heed12 (5)
H3: ODST: Find the 12th Audio Log.
Unlocked by 20,436 tracked gamers (34% - TA Ratio = 2.30)  
H3: ODST: Find the 11th Audio Log.
Unlocked by 21,828 tracked gamers (36% - TA Ratio = 2.23)  
Monitored11 (5)
H3: ODST: Find the 10th Audio Log.
Unlocked by 23,398 tracked gamers (39% - TA Ratio = 2.15)  
H3: ODST: Find the 9th Audio Log.
Unlocked by 25,154 tracked gamers (42% - TA Ratio = 2.07)  
Overheard10 (5)
H3: ODST: Find the 8th Audio Log.
Unlocked by 27,001 tracked gamers (45% - TA Ratio = 2.00)  
Auditor10 (5)
H3: ODST: Find the 7th Audio Log.
Unlocked by 29,110 tracked gamers (48% - TA Ratio = 1.93)  
H3: ODST: Find the 6th Audio Log.
Unlocked by 31,393 tracked gamers (52% - TA Ratio = 1.86)  
H3: ODST: Find the 5th Audio Log.
Unlocked by 33,862 tracked gamers (56% - TA Ratio = 1.79)  
Do Tell9 (5)
H3: ODST: Find the 4th Audio Log.
Unlocked by 36,432 tracked gamers (60% - TA Ratio = 1.72)  
H3: ODST: Find the 3rd Audio Log.
Unlocked by 39,223 tracked gamers (65% - TA Ratio = 1.66)  
H3: ODST: Find the 2nd Audio Log.
Unlocked by 42,335 tracked gamers (70% - TA Ratio = 1.60)  
H3: ODST: Find the 1st Audio Log.
Unlocked by 46,023 tracked gamers (76% - TA Ratio = 1.53)  
H3: ODST: Beat the par score on Coastal Highway.
Unlocked by 5,396 tracked gamers (9% - TA Ratio = 4.48)  
H3: ODST: Beat par score on all Halo 3: ODST levels.
Unlocked by 4,515 tracked gamers (7% - TA Ratio = 4.90)  
H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.
Unlocked by 15,016 tracked gamers (25% - TA Ratio = 2.68)  
H3: ODST: Beat the par time on Coastal Highway.
Unlocked by 12,993 tracked gamers (21% - TA Ratio = 2.89)  
H3: ODST: Beat par time on all Halo 3: ODST levels.
Unlocked by 7,971 tracked gamers (13% - TA Ratio = 3.69)  
Déjà Vu107 (20)
H3: ODST: Complete Coastal Highway on 4-player Legendary co-op, with Iron, and no 'Hog or Scorpion.
Unlocked by 3,816 tracked gamers (6% - TA Ratio = 5.33)  
Firefly29 (10)
H3: ODST: Kill a Drone with a flame grenade on Data Hive.
Unlocked by 12,658 tracked gamers (21% - TA Ratio = 2.92)  
H3: ODST: Beat the par time on Data Hive.
Unlocked by 8,530 tracked gamers (14% - TA Ratio = 3.56)  
H3: ODST: Assassinate 3 Brutes in a row on Data Hive.
Unlocked by 10,879 tracked gamers (18% - TA Ratio = 3.15)  
H3: ODST: Find a legendary hidden music cue.
Unlocked by 11,311 tracked gamers (19% - TA Ratio = 3.09)  
H3: ODST: Beat the par score on Kikowani Station.
Unlocked by 5,728 tracked gamers (9% - TA Ratio = 4.35)  
H3: ODST: Kill 25 Engineers.
Unlocked by 10,044 tracked gamers (17% - TA Ratio = 3.28)  
H3: ODST: Kill 10 Engineers.
Unlocked by 19,105 tracked gamers (32% - TA Ratio = 2.38)  
H3: ODST: Beat the par time on Kikowani Station.
Unlocked by 9,206 tracked gamers (15% - TA Ratio = 3.43)  
H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.
Unlocked by 11,044 tracked gamers (18% - TA Ratio = 3.13)  
H3: ODST: Beat the par time on NMPD HQ.
Unlocked by 9,738 tracked gamers (16% - TA Ratio = 3.34)  
H3: ODST: Destroy 5 Phantoms on NMPD HQ.
Unlocked by 17,785 tracked gamers (29% - TA Ratio = 2.47)  
H3: ODST: Beat the par time on ONI Alpha Site.
Unlocked by 13,315 tracked gamers (22% - TA Ratio = 2.85)  
Fowl Hunt31 (10)
H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.
Unlocked by 11,012 tracked gamers (18% - TA Ratio = 3.14)  
H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.
Unlocked by 13,486 tracked gamers (22% - TA Ratio = 2.83)  
Shiny...38 (10)
H3: ODST: Pilot a Banshee on Kizingo Boulevard.
Unlocked by 7,590 tracked gamers (13% - TA Ratio = 3.78)  
H3: ODST: Beat the par score on Kizingo Blvd.
Unlocked by 21,987 tracked gamers (36% - TA Ratio = 2.22)  
H3: ODST: Beat the par time on Kizingo Blvd.
Unlocked by 9,585 tracked gamers (16% - TA Ratio = 3.36)  
H3: ODST: Beat the par score on Uplift Reserve.
Unlocked by 14,062 tracked gamers (23% - TA Ratio = 2.78)  
Floor It!31 (10)
H3: ODST: Beat the par time on Uplift Reserve.
Unlocked by 11,657 tracked gamers (19% - TA Ratio = 3.05)  
H3: ODST: Complete any level without dying on Heroic or Legendary.
Unlocked by 13,247 tracked gamers (22% - TA Ratio = 2.86)  
H3: ODST: Beat the par score on Tayari Plaza.
Unlocked by 11,748 tracked gamers (19% - TA Ratio = 3.04)  
H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.
Unlocked by 8,697 tracked gamers (14% - TA Ratio = 3.53)  
H3: ODST: View the missing link.
Unlocked by 15,220 tracked gamers (25% - TA Ratio = 2.67)  
H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.
Unlocked by 7,625 tracked gamers (13% - TA Ratio = 3.77)  
NEXT!31 (10)
H3: ODST: Complete a Halo 3: ODST playlist.
Unlocked by 11,163 tracked gamers (18% - TA Ratio = 3.11)  
Rookie18 (10)
H3: ODST: Complete every level of the game on Easy difficulty.
Unlocked by 32,486 tracked gamers (54% - TA Ratio = 1.82)  
H3: ODST: Complete every level of the game on Normal difficulty.
Unlocked by 30,117 tracked gamers (50% - TA Ratio = 1.89)  
H3: ODST: Complete every level of the game on Heroic difficulty.
Unlocked by 20,129 tracked gamers (33% - TA Ratio = 2.32)  
H3: ODST: Complete every level of the game on Legendary difficulty.
Unlocked by 16,504 tracked gamers (27% - TA Ratio = 2.56)  
H3: ODST: Complete Coastal Highway.
Unlocked by 37,027 tracked gamers (61% - TA Ratio = 1.71)  
Data Hive17 (10)
H3: ODST: Complete Data Hive.
Unlocked by 36,940 tracked gamers (61% - TA Ratio = 1.71)  
H3: ODST: Beat the par score on Data Hive.
Unlocked by 22,004 tracked gamers (36% - TA Ratio = 2.22)  
H3: ODST: Complete Kikowani Station.
Unlocked by 37,324 tracked gamers (62% - TA Ratio = 1.70)  
H3: ODST: Find the 6th clue unraveling the mystery.
Unlocked by 36,899 tracked gamers (61% - TA Ratio = 1.71)  
NMPD HQ17 (10)
H3: ODST: Complete NMPD HQ.
Unlocked by 39,174 tracked gamers (65% - TA Ratio = 1.66)  
Pour It On30 (10)
H3: ODST: Beat the par score on NMPD HQ.
Unlocked by 12,066 tracked gamers (20% - TA Ratio = 3.00)  
H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.
Unlocked by 9,570 tracked gamers (16% - TA Ratio = 3.36)  
Vandalized30 (10)
H3: ODST: Face it.
Unlocked by 12,357 tracked gamers (20% - TA Ratio = 2.96)  
H3: ODST: Find the 5th clue unraveling the mystery.
Unlocked by 37,400 tracked gamers (62% - TA Ratio = 1.70)  
H3: ODST: Complete ONI Alpha Site.
Unlocked by 39,956 tracked gamers (66% - TA Ratio = 1.64)  
H3: ODST: Beat the par score on ONI Alpha Site.
Unlocked by 14,233 tracked gamers (24% - TA Ratio = 2.76)  
H3: ODST: Kill 4 enemies with a single plasma or frag grenade.
Unlocked by 30,728 tracked gamers (51% - TA Ratio = 1.88)  
Bloodhound17 (10)
H3: ODST: Find the 4th clue unraveling the mystery.
Unlocked by 38,451 tracked gamers (63% - TA Ratio = 1.68)  
H3: ODST: Complete Kizingo Blvd.
Unlocked by 40,855 tracked gamers (67% - TA Ratio = 1.63)  
H3: ODST: Destroy a Wraith…with your bare hands.
Unlocked by 23,930 tracked gamers (40% - TA Ratio = 2.13)  
Gumshoe16 (10)
H3: ODST: Find the 3rd clue unraveling the mystery.
Unlocked by 40,545 tracked gamers (67% - TA Ratio = 1.63)  
H3: ODST: Complete Uplift Reserve.
Unlocked by 45,100 tracked gamers (74% - TA Ratio = 1.55)  
H3: ODST: Find the 2nd clue to unraveling the mystery.
Unlocked by 45,880 tracked gamers (76% - TA Ratio = 1.53)  
H3: ODST: Complete any level without using a health pack on Heroic or Legendary.
Unlocked by 21,198 tracked gamers (35% - TA Ratio = 2.26)  
Xenophobia17 (10)
H3: ODST: Complete any level without using Covenant weapons.
Unlocked by 37,333 tracked gamers (62% - TA Ratio = 1.70)  
H3: ODST: Find the 1st clue to unraveling the mystery.
Unlocked by 56,965 tracked gamers (94% - TA Ratio = 1.38)  
H3: ODST: Is there a toy inside?
Unlocked by 14,976 tracked gamers (25% - TA Ratio = 2.69)  
H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.
Unlocked by 15,835 tracked gamers (26% - TA Ratio = 2.61)  
H3: ODST: Beat the par time on Tayari Plaza.
Unlocked by 11,099 tracked gamers (18% - TA Ratio = 3.13)  
H3: ODST: Complete any level without activating VISR mode.
Unlocked by 38,410 tracked gamers (63% - TA Ratio = 1.68)  
H3: ODST: Complete Tayari Plaza.
Unlocked by 48,519 tracked gamers (80% - TA Ratio = 1.49)  
H3: ODST: I've got my eye on you, Marine.
Unlocked by 55,355 tracked gamers (91% - TA Ratio = 1.40)  
H3: ODST: Earn a Triple Kill medal with the pistol on any level.
Unlocked by 45,160 tracked gamers (75% - TA Ratio = 1.55)  
H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.
Unlocked by 17,284 tracked gamers (29% - TA Ratio = 2.50)  
Classic68 (20)
H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.
Unlocked by 9,474 tracked gamers (16% - TA Ratio = 3.38)