Halo 3 achievements
2,624
(1,750)

Halo 3

4.2 from 23208 votes

There are a maximum of 79 Halo 3 achievements (49 without DLC) worth 2,624 (1,750)

265,179 tracked gamers have this game, 18,470 have completed it (6.97%)

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Halo 3 Achievements

Landfall21 (20)
Finish the first mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 240,931 tracked gamers (91% - TA Ratio = 1.04)  
Holdout21 (20)
Finish the second mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 228,793 tracked gamers (86% - TA Ratio = 1.07)  
The Road22 (20)
Finish the third mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 219,371 tracked gamers (83% - TA Ratio = 1.09)  
Assault33 (30)
Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 215,213 tracked gamers (81% - TA Ratio = 1.10)  
Cleansing33 (30)
Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 212,185 tracked gamers (80% - TA Ratio = 1.11)  
Refuge34 (30)
Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 205,417 tracked gamers (77% - TA Ratio = 1.13)  
Last Stand46 (40)
Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 200,590 tracked gamers (76% - TA Ratio = 1.14)  
The Key46 (40)
Finish the eighth mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 196,017 tracked gamers (74% - TA Ratio = 1.15)  
Return58 (50)
Finish the final mission of the Campaign on Normal, Heroic, or Legendary.
Unlocked by 196,452 tracked gamers (74% - TA Ratio = 1.15)  
Finish the Campaign on Normal.
Unlocked by 189,011 tracked gamers (71% - TA Ratio = 1.18)  
Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).
Unlocked by 135,980 tracked gamers (51% - TA Ratio = 1.39)  
Finish the Campaign on Legendary (unlocks achievements for Normal and Heroic, if not earned).
Unlocked by 118,078 tracked gamers (45% - TA Ratio = 1.49)  
Iron13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 166,138 tracked gamers (63% - TA Ratio = 1.25)  
Black Eye12 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 170,695 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 157,019 tracked gamers (59% - TA Ratio = 1.29)  
Catch14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 139,520 tracked gamers (53% - TA Ratio = 1.37)  
Fog13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 147,058 tracked gamers (55% - TA Ratio = 1.33)  
Famine14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 139,617 tracked gamers (53% - TA Ratio = 1.37)  
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 145,869 tracked gamers (55% - TA Ratio = 1.34)  
Tilt14 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 133,177 tracked gamers (50% - TA Ratio = 1.40)  
Mythic13 (10)
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
Unlocked by 151,113 tracked gamers (57% - TA Ratio = 1.32)  
Graduate12 (10)
Earn 5 EXP or finish 10 games to complete the requirements for basic training (Online).
Unlocked by 188,126 tracked gamers (71% - TA Ratio = 1.18)  
Earn your Sergeant rating to be recognized as a true Spartan (Online).
Unlocked by 152,098 tracked gamers (57% - TA Ratio = 1.31)  
Advance to the Spartan Officer ranks (Online).
Unlocked by 107,024 tracked gamers (40% - TA Ratio = 1.56)  
Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).
Unlocked by 45,470 tracked gamers (17% - TA Ratio = 2.40)  
Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.
Unlocked by 127,310 tracked gamers (48% - TA Ratio = 1.43)  
Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Unlocked by 108,148 tracked gamers (41% - TA Ratio = 1.56)  
Overkill11 (5)
Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Unlocked by 55,015 tracked gamers (21% - TA Ratio = 2.18)  
Score 5 grenade sticks in any ranked free for all playlist (Online).
Unlocked by 79,414 tracked gamers (30% - TA Ratio = 1.82)  
Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.
Unlocked by 77,943 tracked gamers (29% - TA Ratio = 1.83)  
Kill 10 enemies without dying in any ranked free for all playlist (Online).
Unlocked by 76,510 tracked gamers (29% - TA Ratio = 1.85)  
Score a Triple Kill with the sword in a ranked free for all playlist (Online).
Unlocked by 70,428 tracked gamers (27% - TA Ratio = 1.93)  
Splatter an enemy with the mongoose in a ranked free for all playlist (Online).
Unlocked by 68,510 tracked gamers (26% - TA Ratio = 1.96)  
Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).
Unlocked by 157,201 tracked gamers (59% - TA Ratio = 1.29)  
Kill 5 enemies with the needler in a ranked free for all playlist or in campaign.
Unlocked by 216,384 tracked gamers (82% - TA Ratio = 1.10)  
Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.
Unlocked by 125,651 tracked gamers (47% - TA Ratio = 1.44)  
Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.
Unlocked by 178,712 tracked gamers (67% - TA Ratio = 1.21)  
Locate and access all Terminals in the Campaign.
Unlocked by 87,132 tracked gamers (33% - TA Ratio = 1.73)  
MVP7 (5)
Earn the MVP in any ranked playlist (Online).
Unlocked by 147,121 tracked gamers (55% - TA Ratio = 1.33)  
Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).
Unlocked by 61,020 tracked gamers (23% - TA Ratio = 2.07)  
Guerilla18 (10)
Score over 15,000 points in the Campaign meta-game on the first mission.
Unlocked by 83,648 tracked gamers (32% - TA Ratio = 1.77)  
Demon18 (10)
Score over 15,000 points in the Campaign meta-game on the second mission.
Unlocked by 79,033 tracked gamers (30% - TA Ratio = 1.82)  
Cavalier19 (10)
Score over 15,000 points in the Campaign meta-game on the third mission.
Unlocked by 73,956 tracked gamers (28% - TA Ratio = 1.88)  
Askar19 (10)
Score over 15,000 points in the Campaign meta-game on the fourth mission.
Unlocked by 72,502 tracked gamers (27% - TA Ratio = 1.90)  
Score over 15,000 points in the Campaign meta-game on the fifth mission.
Unlocked by 70,342 tracked gamers (27% - TA Ratio = 1.93)  
Ranger20 (10)
Score over 50,000 points in the Campaign meta-game on the sixth mission.
Unlocked by 66,827 tracked gamers (25% - TA Ratio = 1.98)  
Vanguard20 (10)
Score over 50,000 points in the Campaign meta-game on the seventh mission.
Unlocked by 63,685 tracked gamers (24% - TA Ratio = 2.03)  
Orpheus21 (10)
Score over 15,000 points in the Campaign meta-game on the eighth mission.
Unlocked by 61,687 tracked gamers (23% - TA Ratio = 2.06)  
Reclaimer20 (10)
Score over 15,000 points in the Campaign meta-game on the final mission.
Unlocked by 62,951 tracked gamers (24% - TA Ratio = 2.04)  
Add-on: Legendary Map Pack
408
(250)
3.6 from 124 votes

Buy now from the Xbox LIVE Store

110,703 tracked gamers have this dlc pack, 36,597 have completed it (33.06%)

There are a maximum of 7 achievements worth 408 (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 106,369 tracked gamers (96% - TA Ratio = 1.26)  
On a Legendary map, get 3 Oddball melee kills during any ranked or social match.
Unlocked by 50,285 tracked gamers (45% - TA Ratio = 1.84)  
On a Legendary map, get 3 assassinations during any ranked or social match.
Unlocked by 87,431 tracked gamers (79% - TA Ratio = 1.39)  
On a Legendary map, get a flag melee kill during any ranked or social match.
Unlocked by 68,140 tracked gamers (62% - TA Ratio = 1.58)  
On a Legendary map, get 2 flag carrier kills during any ranked or social match.
Unlocked by 69,859 tracked gamers (63% - TA Ratio = 1.56)  
Road Rage43 (25)
On a Legendary map, get 5 Warthog chaingun kills during any ranked or social match.
Unlocked by 58,596 tracked gamers (53% - TA Ratio = 1.70)  
On a Legendary map, get a Splatter Spree during any ranked or social match.
Unlocked by 43,326 tracked gamers (39% - TA Ratio = 1.98)  
Add-on: Mythic Map Pack
549
(325)
3.5 from 134 votes

Buy now from the Xbox LIVE Store

124,377 tracked gamers have this dlc pack, 28,194 have completed it (22.67%)

There are a maximum of 13 achievements worth 549 (325)

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

On Assembly, get 5 Hammer kills during any ranked or social match.
Unlocked by 50,175 tracked gamers (40% - TA Ratio = 1.89)  
On Orbital, get 2 Death From the Grave medals during any ranked or social match.
Unlocked by 39,557 tracked gamers (32% - TA Ratio = 2.13)  
On a Mythic map, get a Bulltrue medal during any ranked or social match.
Unlocked by 74,628 tracked gamers (60% - TA Ratio = 1.55)  
On a Mythic map, get a Killjoy medal during any ranked or social match.
Unlocked by 104,504 tracked gamers (84% - TA Ratio = 1.31)  
On a Mythic map, get a Killtacular during any ranked or social match.
Unlocked by 51,225 tracked gamers (41% - TA Ratio = 1.87)  
On a Mythic map, get an Extermination during any ranked or social match.
Unlocked by 48,380 tracked gamers (39% - TA Ratio = 1.93)  
On a Mythic map, get a Perfection medal during any ranked or social match.
Unlocked by 34,832 tracked gamers (28% - TA Ratio = 2.27)  
On a Mythic map, infect 2 humans during any ranked or social match.
Unlocked by 59,358 tracked gamers (48% - TA Ratio = 1.74)  
On a Mythic map, kill 2 Zombies during any ranked or social match.
Unlocked by 60,263 tracked gamers (48% - TA Ratio = 1.73)  
On any Mythic map, get a kill on another player while in monitor mode.
Unlocked by 85,977 tracked gamers (69% - TA Ratio = 1.44)  
On Assembly, find the hidden skull.
Unlocked by 101,402 tracked gamers (82% - TA Ratio = 1.33)  
On Orbital, find the hidden skull.
Unlocked by 100,797 tracked gamers (81% - TA Ratio = 1.33)  
On Sandbox, find the hidden skull.
Unlocked by 97,915 tracked gamers (79% - TA Ratio = 1.35)  
Title update: Vidmaster Challenges
0
(0)
3.5 from 115 votes

86,615 tracked gamers have this dlc pack, 35,867 have completed it (41.41%)

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

There is 1 review | 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 40,368 tracked gamers (15% - TA Ratio = 2.55)  
Get to the rank of Lieutenant in any playlist in the new EXP progression system.
Unlocked by 68,452 tracked gamers (26% - TA Ratio = 1.96)  
Enter into any ranked or social playlist with 7 EXP on the 7th of the month.
Unlocked by 65,579 tracked gamers (25% - TA Ratio = 2.00)  
Add-on: Mythic II Map Pack
281
(175)
3.6 from 134 votes

Buy now from the Xbox LIVE Store

96,779 tracked gamers have this dlc pack, 33,623 have completed it (34.74%)

There are a maximum of 7 achievements worth 281 (175)

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

Pull52 (25)
On Citadel, get a Shotgun Spree during any ranked or social match.
Unlocked by 36,407 tracked gamers (38% - TA Ratio = 2.09)  
On Heretic, get a Sword Spree during any ranked or social match.
Unlocked by 41,373 tracked gamers (43% - TA Ratio = 1.96)  
On Longshore, get 3 kills with a Ghost during any ranked or social match.
Unlocked by 43,447 tracked gamers (45% - TA Ratio = 1.91)  
On Citadel, find the hidden skull.
Unlocked by 91,997 tracked gamers (95% - TA Ratio = 1.31)  
On Heretic, find the hidden skull.
Unlocked by 93,028 tracked gamers (96% - TA Ratio = 1.30)  
On Longshore, find the hidden skull.
Unlocked by 93,484 tracked gamers (97% - TA Ratio = 1.30)  
Find all the hidden skulls on the Mythic maps.
Unlocked by 87,868 tracked gamers (91% - TA Ratio = 1.34)