Halo 3 achievements
2,643
(1,750)

Halo 3

4.2 from 23578 votes

There are a maximum of 79 Halo 3 achievements (49 without DLC) worth 2,643 (1,750)

280,714 tracked gamers have this game, 18,908 have completed it (6.74%)

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Halo 3 Achievements

Landfall21 (20)
Finish the first mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 254,443 tracked gamers (91% - TA Ratio = 1.04)  
Holdout22 (20)
Finish the second mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 241,237 tracked gamers (86% - TA Ratio = 1.07)  
The Road22 (20)
Finish the third mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 231,049 tracked gamers (82% - TA Ratio = 1.09)  
Assault33 (30)
Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 226,575 tracked gamers (81% - TA Ratio = 1.11)  
Cleansing34 (30)
Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 223,361 tracked gamers (80% - TA Ratio = 1.11)  
Refuge34 (30)
Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 216,030 tracked gamers (77% - TA Ratio = 1.13)  
Last Stand46 (40)
Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 210,830 tracked gamers (75% - TA Ratio = 1.15)  
The Key47 (40)
Finish the eighth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 205,931 tracked gamers (73% - TA Ratio = 1.16)  
Return58 (50)
Finish the final mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 206,416 tracked gamers (74% - TA Ratio = 1.16)  
Finish the Campaign on Normal.
Unlocked by 198,339 tracked gamers (71% - TA Ratio = 1.18)  
Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).
Unlocked by 141,890 tracked gamers (51% - TA Ratio = 1.40)  
Finish the Campaign on Legendary (unlocks achievements for Normal and Heroic, if not earned).
Unlocked by 123,030 tracked gamers (44% - TA Ratio = 1.50)  
Iron13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 174,036 tracked gamers (62% - TA Ratio = 1.26)  
Black Eye12 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 178,904 tracked gamers (64% - TA Ratio = 1.24)  
Tough Luck13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 164,307 tracked gamers (59% - TA Ratio = 1.30)  
Catch14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 145,733 tracked gamers (52% - TA Ratio = 1.38)  
Fog13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 153,768 tracked gamers (55% - TA Ratio = 1.34)  
Famine14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 145,909 tracked gamers (52% - TA Ratio = 1.38)  
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 152,466 tracked gamers (54% - TA Ratio = 1.35)  
Tilt14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 138,992 tracked gamers (50% - TA Ratio = 1.41)  
Mythic13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 158,040 tracked gamers (56% - TA Ratio = 1.32)  
Graduate12 (10)
Earn 5 EXP or finish 10 games to complete the requirements for basic training (Online).
Unlocked by 197,207 tracked gamers (70% - TA Ratio = 1.19)  
Earn your Sergeant rating to be recognized as a true Spartan (Online).
Unlocked by 158,859 tracked gamers (57% - TA Ratio = 1.32)  
Advance to the Spartan Officer ranks (Online).
Unlocked by 111,297 tracked gamers (40% - TA Ratio = 1.58)  
Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).
Unlocked by 46,841 tracked gamers (17% - TA Ratio = 2.44)  
Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.
Unlocked by 133,027 tracked gamers (47% - TA Ratio = 1.44)  
Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Unlocked by 112,615 tracked gamers (40% - TA Ratio = 1.57)  
Overkill11 (5)
Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Unlocked by 56,904 tracked gamers (20% - TA Ratio = 2.21)  
Score 5 grenade sticks in any ranked free for all playlist (Online).
Unlocked by 82,334 tracked gamers (29% - TA Ratio = 1.84)  
Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.
Unlocked by 80,909 tracked gamers (29% - TA Ratio = 1.85)  
Kill 10 enemies without dying in any ranked free for all playlist (Online).
Unlocked by 79,662 tracked gamers (28% - TA Ratio = 1.87)  
Score a Triple Kill with the sword in a ranked free for all playlist (Online).
Unlocked by 73,084 tracked gamers (26% - TA Ratio = 1.95)  
Splatter an enemy with the mongoose in a ranked free for all playlist (Online).
Unlocked by 70,974 tracked gamers (25% - TA Ratio = 1.98)  
Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).
Unlocked by 164,716 tracked gamers (59% - TA Ratio = 1.30)  
Kill 5 enemies with the needler in a ranked free for all playlist or in campaign.
Unlocked by 228,474 tracked gamers (81% - TA Ratio = 1.10)  
Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.
Unlocked by 131,357 tracked gamers (47% - TA Ratio = 1.45)  
Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.
Unlocked by 188,412 tracked gamers (67% - TA Ratio = 1.21)  
Locate and access all Terminals in the Campaign.
Unlocked by 90,394 tracked gamers (32% - TA Ratio = 1.75)  
MVP7 (5)
Earn the MVP in any ranked playlist (Online).
Unlocked by 153,982 tracked gamers (55% - TA Ratio = 1.34)  
Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).
Unlocked by 63,103 tracked gamers (22% - TA Ratio = 2.10)  
Guerilla18 (10)
Score over 15,000 points in the Campaign meta-game on the first mission.
Unlocked by 86,819 tracked gamers (31% - TA Ratio = 1.79)  
Demon18 (10)
Score over 15,000 points in the Campaign meta-game on the second mission.
Unlocked by 82,014 tracked gamers (29% - TA Ratio = 1.84)  
Cavalier19 (10)
Score over 15,000 points in the Campaign meta-game on the third mission.
Unlocked by 76,703 tracked gamers (27% - TA Ratio = 1.90)  
Askar19 (10)
Score over 15,000 points in the Campaign meta-game on the fourth mission.
Unlocked by 75,189 tracked gamers (27% - TA Ratio = 1.92)  
Score over 15,000 points in the Campaign meta-game on the fifth mission.
Unlocked by 72,961 tracked gamers (26% - TA Ratio = 1.95)  
Ranger20 (10)
Score over 50,000 points in the Campaign meta-game on the sixth mission.
Unlocked by 69,302 tracked gamers (25% - TA Ratio = 2.00)  
Vanguard21 (10)
Score over 50,000 points in the Campaign meta-game on the seventh mission.
Unlocked by 66,016 tracked gamers (24% - TA Ratio = 2.05)  
Orpheus21 (10)
Score over 15,000 points in the Campaign meta-game on the eighth mission.
Unlocked by 63,946 tracked gamers (23% - TA Ratio = 2.09)  
Reclaimer21 (10)
Score over 15,000 points in the Campaign meta-game on the final mission.
Unlocked by 65,232 tracked gamers (23% - TA Ratio = 2.06)  
Add-on: Legendary Map Pack
410
(250)
3.7 from 169 votes

Price: Free - Xbox LIVE Store

115,421 tracked gamers have this dlc pack, 34,635 have completed it (30.01%)

There are a maximum of 7 achievements worth 410 (250)

There is 1 review | Estimated completion: 2-3 hours

On a Legendary map, get two Double Kills during any ranked or social match.
Unlocked by 110,948 tracked gamers (96% - TA Ratio = 1.27)  
On a Legendary map, get 3 Oddball melee kills during any ranked or social match.
Unlocked by 52,102 tracked gamers (45% - TA Ratio = 1.85)  
On a Legendary map, get 3 assassinations during any ranked or social match.
Unlocked by 90,994 tracked gamers (79% - TA Ratio = 1.40)  
On a Legendary map, get a flag melee kill during any ranked or social match.
Unlocked by 70,732 tracked gamers (61% - TA Ratio = 1.59)  
On a Legendary map, get 2 flag carrier kills during any ranked or social match.
Unlocked by 72,468 tracked gamers (63% - TA Ratio = 1.57)  
Road Rage43 (25)
On a Legendary map, get 5 Warthog chaingun kills during any ranked or social match.
Unlocked by 60,644 tracked gamers (53% - TA Ratio = 1.71)  
On a Legendary map, get a Splatter Spree during any ranked or social match.
Unlocked by 44,697 tracked gamers (39% - TA Ratio = 2.00)  
Add-on: Mythic Map Pack
553
(325)
3.7 from 186 votes

Price: Free - Xbox LIVE Store

130,002 tracked gamers have this dlc pack, 26,398 have completed it (20.31%)

There are a maximum of 13 achievements worth 553 (325)

There are no reviews | Estimated completion: 2-3 hours

On Assembly, get 5 Hammer kills during any ranked or social match.
Unlocked by 51,915 tracked gamers (40% - TA Ratio = 1.91)  
On Orbital, get 2 Death From the Grave medals during any ranked or social match.
Unlocked by 40,783 tracked gamers (31% - TA Ratio = 2.16)  
On a Mythic map, get a Bulltrue medal during any ranked or social match.
Unlocked by 77,616 tracked gamers (60% - TA Ratio = 1.56)  
On a Mythic map, get a Killjoy medal during any ranked or social match.
Unlocked by 109,035 tracked gamers (84% - TA Ratio = 1.32)  
On a Mythic map, get a Killtacular during any ranked or social match.
Unlocked by 53,070 tracked gamers (41% - TA Ratio = 1.89)  
On a Mythic map, get an Extermination during any ranked or social match.
Unlocked by 50,095 tracked gamers (39% - TA Ratio = 1.94)  
On a Mythic map, get a Perfection medal during any ranked or social match.
Unlocked by 35,878 tracked gamers (28% - TA Ratio = 2.30)  
On a Mythic map, infect 2 humans during any ranked or social match.
Unlocked by 61,666 tracked gamers (47% - TA Ratio = 1.75)  
On a Mythic map, kill 2 Zombies during any ranked or social match.
Unlocked by 62,633 tracked gamers (48% - TA Ratio = 1.74)  
On any Mythic map, get a kill on another player while in monitor mode.
Unlocked by 89,493 tracked gamers (69% - TA Ratio = 1.45)  
On Assembly, find the hidden skull.
Unlocked by 105,727 tracked gamers (81% - TA Ratio = 1.34)  
On Orbital, find the hidden skull.
Unlocked by 105,070 tracked gamers (81% - TA Ratio = 1.34)  
On Sandbox, find the hidden skull.
Unlocked by 102,003 tracked gamers (78% - TA Ratio = 1.36)  
Title update: Vidmaster Challenges
0
(0)
3.7 from 165 votes

90,167 tracked gamers have this dlc pack, 33,998 have completed it (37.71%)

There are a maximum of 3 achievements worth 0 (0)

There are 2 reviews | Estimated completion: 2-3 hours

After 9/25/08, complete Halo on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.
Unlocked by 41,642 tracked gamers (15% - TA Ratio = 2.59)  
Get to the rank of Lieutenant in any playlist in the new EXP progression system.
Unlocked by 71,284 tracked gamers (25% - TA Ratio = 1.97)  
Enter into any ranked or social playlist with 7 EXP on the 7th of the month.
Unlocked by 68,071 tracked gamers (24% - TA Ratio = 2.02)  
Add-on: Mythic II Map Pack
283
(175)
3.7 from 178 votes

Price: Free - Xbox LIVE Store

100,873 tracked gamers have this dlc pack, 31,759 have completed it (31.48%)

There are a maximum of 7 achievements worth 283 (175)

There is 1 review | Estimated completion: 2-3 hours

Pull53 (25)
On Citadel, get a Shotgun Spree during any ranked or social match.
Unlocked by 37,552 tracked gamers (37% - TA Ratio = 2.11)  
On Heretic, get a Sword Spree during any ranked or social match.
Unlocked by 42,764 tracked gamers (42% - TA Ratio = 1.98)  
On Longshore, get 3 kills with a Ghost during any ranked or social match.
Unlocked by 44,877 tracked gamers (44% - TA Ratio = 1.93)  
On Citadel, find the hidden skull.
Unlocked by 95,840 tracked gamers (95% - TA Ratio = 1.32)  
On Heretic, find the hidden skull.
Unlocked by 96,953 tracked gamers (96% - TA Ratio = 1.31)  
On Longshore, find the hidden skull.
Unlocked by 97,450 tracked gamers (97% - TA Ratio = 1.31)  
Find all the hidden skulls on the Mythic maps.
Unlocked by 91,460 tracked gamers (91% - TA Ratio = 1.35)