Halo 3 achievements
2,644
(1,750)

Halo 3

4.2 from 23580 votes

There are a maximum of 79 Halo 3 achievements (49 without DLC) worth 2,644 (1,750)

280,635 tracked gamers have this game, 18,905 have completed it (6.74%)

Gwi Ahoy
100%

Gwi Ahoy2,644 (1,750)

First played on 05 Jan 08 , Completed on 08 Oct 09

79 achievements out of 79 won (inc 30 of 30 DLC achievements)

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Halo 3 Achievements

Landfall21 (20)
Finish the first mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 255,493 tracked gamers (91% - TA Ratio = 1.04)  
Holdout22 (20)
Finish the second mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 242,216 tracked gamers (86% - TA Ratio = 1.07)  
The Road22 (20)
Finish the third mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 231,972 tracked gamers (83% - TA Ratio = 1.09)  
Assault33 (30)
Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 227,467 tracked gamers (81% - TA Ratio = 1.11)  
Refuge34 (30)
Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 216,866 tracked gamers (77% - TA Ratio = 1.13)  
Last Stand46 (40)
Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 211,632 tracked gamers (75% - TA Ratio = 1.15)  
The Key47 (40)
Finish the eighth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 206,719 tracked gamers (74% - TA Ratio = 1.16)  
Return58 (50)
Finish the final mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 207,191 tracked gamers (74% - TA Ratio = 1.16)  
Finish the Campaign on Normal.
Unlocked by 199,061 tracked gamers (71% - TA Ratio = 1.18)  
Kill 5 enemies with the needler in a ranked free for all playlist or in campaign.
Unlocked by 229,389 tracked gamers (82% - TA Ratio = 1.10)  
Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.
Unlocked by 131,799 tracked gamers (47% - TA Ratio = 1.45)  
Score a Triple Kill with the sword in a ranked free for all playlist (Online).
Unlocked by 73,281 tracked gamers (26% - TA Ratio = 1.95)  
Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).
Unlocked by 46,951 tracked gamers (17% - TA Ratio = 2.44)  
Overkill11 (5)
Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Unlocked by 57,043 tracked gamers (20% - TA Ratio = 2.21)  
Score 5 grenade sticks in any ranked free for all playlist (Online).
Unlocked by 82,549 tracked gamers (29% - TA Ratio = 1.84)  
Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).
Unlocked by 63,267 tracked gamers (23% - TA Ratio = 2.10)  
Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.
Unlocked by 189,149 tracked gamers (67% - TA Ratio = 1.21)  
Reclaimer21 (10)
Score over 15,000 points in the Campaign meta-game on the final mission.
Unlocked by 65,405 tracked gamers (23% - TA Ratio = 2.07)  
Locate and access all Terminals in the Campaign.
Unlocked by 90,634 tracked gamers (32% - TA Ratio = 1.75)  
Splatter an enemy with the mongoose in a ranked free for all playlist (Online).
Unlocked by 71,176 tracked gamers (25% - TA Ratio = 1.98)  
Orpheus21 (10)
Score over 15,000 points in the Campaign meta-game on the eighth mission.
Unlocked by 64,116 tracked gamers (23% - TA Ratio = 2.09)  
Vanguard21 (10)
Score over 50,000 points in the Campaign meta-game on the seventh mission.
Unlocked by 66,188 tracked gamers (24% - TA Ratio = 2.05)  
Ranger20 (10)
Score over 50,000 points in the Campaign meta-game on the sixth mission.
Unlocked by 69,479 tracked gamers (25% - TA Ratio = 2.00)  
Askar19 (10)
Score over 15,000 points in the Campaign meta-game on the fourth mission.
Unlocked by 75,385 tracked gamers (27% - TA Ratio = 1.92)  
Cavalier19 (10)
Score over 15,000 points in the Campaign meta-game on the third mission.
Unlocked by 76,907 tracked gamers (27% - TA Ratio = 1.91)  
Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.
Unlocked by 81,148 tracked gamers (29% - TA Ratio = 1.85)  
Score over 15,000 points in the Campaign meta-game on the fifth mission.
Unlocked by 73,158 tracked gamers (26% - TA Ratio = 1.95)  
Demon18 (10)
Score over 15,000 points in the Campaign meta-game on the second mission.
Unlocked by 82,234 tracked gamers (29% - TA Ratio = 1.84)  
Guerilla18 (10)
Score over 15,000 points in the Campaign meta-game on the first mission.
Unlocked by 87,045 tracked gamers (31% - TA Ratio = 1.79)  
Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Unlocked by 112,957 tracked gamers (40% - TA Ratio = 1.57)  
Kill 10 enemies without dying in any ranked free for all playlist (Online).
Unlocked by 79,885 tracked gamers (28% - TA Ratio = 1.87)  
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 152,969 tracked gamers (55% - TA Ratio = 1.35)  
Famine14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 146,389 tracked gamers (52% - TA Ratio = 1.38)  
Catch14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 146,200 tracked gamers (52% - TA Ratio = 1.38)  
Tough Luck13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 164,868 tracked gamers (59% - TA Ratio = 1.30)  
Iron13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 174,646 tracked gamers (62% - TA Ratio = 1.26)  
Fog13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 154,272 tracked gamers (55% - TA Ratio = 1.34)  
Black Eye13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 179,541 tracked gamers (64% - TA Ratio = 1.25)  
Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.
Unlocked by 133,471 tracked gamers (48% - TA Ratio = 1.45)  
Advance to the Spartan Officer ranks (Online).
Unlocked by 111,629 tracked gamers (40% - TA Ratio = 1.58)  
Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).
Unlocked by 165,285 tracked gamers (59% - TA Ratio = 1.30)  
Finish the Campaign on Legendary (unlocks achievements for Normal and Heroic, if not earned).
Unlocked by 123,409 tracked gamers (44% - TA Ratio = 1.50)  
Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).
Unlocked by 142,337 tracked gamers (51% - TA Ratio = 1.40)  
Mythic13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 158,573 tracked gamers (57% - TA Ratio = 1.33)  
Tilt14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 139,427 tracked gamers (50% - TA Ratio = 1.41)  
Cleansing34 (30)
Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 224,229 tracked gamers (80% - TA Ratio = 1.11)  
Earn your Sergeant rating to be recognized as a true Spartan (Online).
Unlocked by 159,387 tracked gamers (57% - TA Ratio = 1.32)  
MVP7 (5)
Earn the MVP in any ranked playlist (Online).
Unlocked by 154,530 tracked gamers (55% - TA Ratio = 1.34)  
Graduate12 (10)
Earn 5 EXP or finish 10 games to complete the requirements for basic training (Online).
Unlocked by 197,922 tracked gamers (71% - TA Ratio = 1.19)  
Add-on: Legendary Map Pack
411
(250)
3.7 from 169 votes

Price: Free - Xbox LIVE Store

115,433 tracked gamers have this dlc pack, 34,636 have completed it (30.01%)

There are a maximum of 7 achievements worth 411 (250)

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

On a Legendary map, get 3 Oddball melee kills during any ranked or social match.
Unlocked by 52,231 tracked gamers (45% - TA Ratio = 1.85)  
On a Legendary map, get a Splatter Spree during any ranked or social match.
Unlocked by 44,793 tracked gamers (39% - TA Ratio = 2.00)  
On a Legendary map, get a flag melee kill during any ranked or social match.
Unlocked by 70,929 tracked gamers (61% - TA Ratio = 1.59)  
On a Legendary map, get 2 flag carrier kills during any ranked or social match.
Unlocked by 72,662 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 60,797 tracked gamers (53% - TA Ratio = 1.72)  
On a Legendary map, get 3 assassinations during any ranked or social match.
Unlocked by 91,277 tracked gamers (79% - TA Ratio = 1.40)  
On a Legendary map, get two Double Kills during any ranked or social match.
Unlocked by 111,297 tracked gamers (96% - TA Ratio = 1.27)  
Add-on: Mythic Map Pack
553
(325)
3.7 from 186 votes

Price: Free - Xbox LIVE Store

130,029 tracked gamers have this dlc pack, 26,399 have completed it (20.30%)

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

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

On a Mythic map, kill 2 Zombies during any ranked or social match.
Unlocked by 62,806 tracked gamers (48% - TA Ratio = 1.74)  
On a Mythic map, infect 2 humans during any ranked or social match.
Unlocked by 61,831 tracked gamers (48% - TA Ratio = 1.75)  
On a Mythic map, get a Killtacular during any ranked or social match.
Unlocked by 53,211 tracked gamers (41% - TA Ratio = 1.89)  
On Orbital, get 2 Death From the Grave medals during any ranked or social match.
Unlocked by 40,871 tracked gamers (31% - TA Ratio = 2.16)  
On a Mythic map, get a Perfection medal during any ranked or social match.
Unlocked by 35,941 tracked gamers (28% - TA Ratio = 2.30)  
On a Mythic map, get an Extermination during any ranked or social match.
Unlocked by 50,222 tracked gamers (39% - TA Ratio = 1.95)  
On Assembly, get 5 Hammer kills during any ranked or social match.
Unlocked by 52,037 tracked gamers (40% - TA Ratio = 1.91)  
On a Mythic map, get a Killjoy medal during any ranked or social match.
Unlocked by 109,397 tracked gamers (84% - TA Ratio = 1.32)  
On a Mythic map, get a Bulltrue medal during any ranked or social match.
Unlocked by 77,845 tracked gamers (60% - TA Ratio = 1.56)  
On Assembly, find the hidden skull.
Unlocked by 106,079 tracked gamers (82% - TA Ratio = 1.34)  
On Orbital, find the hidden skull.
Unlocked by 105,414 tracked gamers (81% - TA Ratio = 1.34)  
On Sandbox, find the hidden skull.
Unlocked by 102,324 tracked gamers (79% - TA Ratio = 1.36)  
On any Mythic map, get a kill on another player while in monitor mode.
Unlocked by 89,784 tracked gamers (69% - TA Ratio = 1.45)  
Title update: Vidmaster Challenges
0
(0)
3.7 from 165 votes

90,181 tracked gamers have this dlc pack, 34,001 have completed it (37.70%)

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 41,741 tracked gamers (15% - TA Ratio = 2.59)  
Enter into any ranked or social playlist with 7 EXP on the 7th of the month.
Unlocked by 68,273 tracked gamers (24% - TA Ratio = 2.02)  
Get to the rank of Lieutenant in any playlist in the new EXP progression system.
Unlocked by 71,512 tracked gamers (25% - TA Ratio = 1.98)  
Add-on: Mythic II Map Pack
283
(175)
3.7 from 179 votes

Price: Free - Xbox LIVE Store

100,895 tracked gamers have this dlc pack, 31,763 have completed it (31.48%)

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

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

On Longshore, get 3 kills with a Ghost during any ranked or social match.
Unlocked by 44,974 tracked gamers (45% - TA Ratio = 1.93)  
Pull53 (25)
On Citadel, get a Shotgun Spree during any ranked or social match.
Unlocked by 37,621 tracked gamers (37% - TA Ratio = 2.11)  
On Heretic, get a Sword Spree during any ranked or social match.
Unlocked by 42,856 tracked gamers (42% - TA Ratio = 1.98)  
Find all the hidden skulls on the Mythic maps.
Unlocked by 91,751 tracked gamers (91% - TA Ratio = 1.35)  
On Citadel, find the hidden skull.
Unlocked by 96,152 tracked gamers (95% - TA Ratio = 1.32)  
On Heretic, find the hidden skull.
Unlocked by 97,271 tracked gamers (96% - TA Ratio = 1.31)  
On Longshore, find the hidden skull.
Unlocked by 97,771 tracked gamers (97% - TA Ratio = 1.31)