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Halo 3 Achievements

Full list of all 79 Halo 3 achievements worth 1,750 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game on Xbox 360.

The base game contains 49 achievements worth 1,000 Gamerscore, and there are 4 DLC packs containing 30 achievements worth 750 Gamerscore.

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  • Landfall

    Completed the first mission of the Campaign.

    Unlocked offline - 1 guide
  • Fear the Pink Mist

    Killed 5 enemies with the needler in a ranked free for all playlist or in campaign.

    Unlocked offline - 6 guides
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  • Marathon Man

    Accessed all Terminals in the Campaign.

    11 August 2010 - 9 guides
  • Mythic

    Claimed Mythic skull.

    11 August 2010 - 3 guides
  • The Key

    Completed the eighth mission of the Campaign.

    11 August 2010 - 1 guide
  • Tilt

    Claimed Tilt skull.

    10 August 2010 - 4 guides
  • Last Stand

    Completed the seventh mission of the Campaign.

    09 August 2010 - 2 guides
  • Thunderstorm

    Claimed Thunderstorm skull.

    09 August 2010 - 3 guides
  • Refuge

    Completed the sixth mission of the Campaign.

    09 August 2010 - 1 guide
  • Famine

    Claimed Famine skull.

    09 August 2010 - 5 guides
  • Cleansing

    Completed the fifth mission of the Campaign.

    05 August 2010 - 1 guide
  • Fog

    Claimed Fog skull.

    05 August 2010 - 4 guides
  • Assault

    Completed the fourth mission of the Campaign.

    05 August 2010 - 1 guide
  • Catch

    Claimed Catch skull.

    05 August 2010 - 5 guides
  • Graduate

    Graduated from basic training. Stick with it to earn your Spartan Insignia.

    04 August 2010 - 4 guides
  • The Road

    Completed the third mission of the Campaign.

    30 July 2010 - 1 guide
  • Holdout

    Completed the second mission of the Campaign.

    28 July 2010 - 1 guide
  • Black Eye

    Claimed Black Eye skull.

    28 July 2010 - 3 guides
  • Iron

    Claimed Iron skull.

    28 July 2010 - 3 guides
  • UNSC Spartan

    Earn your Sergeant rating to be recognized as a true Spartan (Online).

    Locked - 2 guides
  • Spartan Officer

    Advance to the Spartan Officer ranks (Online).

    Locked - 9 guides
  • Two for One

    Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).

    Locked - 18 guides
  • Too Close to the Sun

    Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.

    Locked - 4 guides
  • Triple Kill

    Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).

    Locked - 6 guides
  • Overkill

    Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).

    Locked - 9 guides
  • Lee R Wilson Memorial

    Score 5 grenade sticks in any ranked free for all playlist (Online).

    Locked - 8 guides
  • Killing Frenzy

    Kill 10 enemies without dying in any ranked free for all playlist (Online).

    Locked - 9 guides
  • Steppin' Razor

    Score a Triple Kill with the sword in a ranked free for all playlist (Online).

    Locked - 7 guides
  • Mongoose Mowdown

    Splatter an enemy with the mongoose in a ranked free for all playlist (Online).

    Locked - 9 guides
  • Headshot Honcho

    Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.

    Locked - 5 guides
  • Used Car Salesman

    Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.

    Locked - 7 guides
  • Maybe Next Time Buddy

    Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).

    Locked - 7 guides
  • Guerilla

    Score over 15,000 points in the Campaign meta-game on the first mission.

    Locked - 5 guides
  • Demon

    Score over 15,000 points in the Campaign meta-game on the second mission.

    Locked - 4 guides
  • Cavalier

    Score over 15,000 points in the Campaign meta-game on the third mission.

    Locked - 4 guides
  • Askar

    Score over 15,000 points in the Campaign meta-game on the fourth mission.

    Locked - 4 guides
  • Exterminator

    Score over 15,000 points in the Campaign meta-game on the fifth mission.

    Locked - 3 guides
  • Ranger

    Score over 50,000 points in the Campaign meta-game on the sixth mission.

    Locked - 6 guides
  • Vanguard

    Score over 50,000 points in the Campaign meta-game on the seventh mission.

    Locked - 6 guides
  • Orpheus

    Score over 15,000 points in the Campaign meta-game on the eighth mission.

    Locked - 4 guides
  • Reclaimer

    Score over 15,000 points in the Campaign meta-game on the final mission.

    Locked - 4 guides
Add-on

Legendary Map Pack

433
250
7
3.84
183,740
48,247 (26%)
2-3h
Legendary Map Pack
  • Flag Dropped

    On a Legendary map, got 2 flag carrier kills during a ranked or social match.

    09 September 2010 - 6 guides
  • Defend This

    On a Legendary map, got a flag melee kill during a ranked or social match.

    09 September 2010 - 5 guides
  • Came… From… Behind

    On a Legendary map, got 3 assassinations during a ranked or social match.

    04 August 2010 - 4 guides
  • Alas, Poor Yorick

    On a Legendary map, got 3 Oddball melee kills during a ranked or social match.

    04 August 2010 - 9 guides
  • Look Both Ways

    On a Legendary map, got a Splatter Spree during a ranked or social match.

    04 August 2010 - 9 guides
  • Road Rage

    On a Legendary map, got 5 Warthog chaingun kills during a ranked or social match.

    04 August 2010 - 7 guides
  • Double Double

    On a Legendary map, got two Double Kills during a ranked or social match.

    01 May 2010 - 6 guides
Update

Vidmaster Challenges

0
0
3
3.72
141,330
49,542 (35%)
2-3h
Vidmaster Challenges
Add-on

Mythic Map Pack

586
325
13
3.81
211,937
35,978 (17%)
2-3h
Mythic Map Pack
  • Delicious Brains

    On a Mythic map, infected 2 humans during a ranked or social match.

    08 September 2010 - 3 guides
  • Save This Film

    On a Mythic map, got a Perfection medal during a ranked or social match.

    04 August 2010 - 9 guides
  • Post Mortem

    On Orbital, got 2 Death From the Grave medals during a ranked or social match.

    04 August 2010 - 10 guides
  • Hammer Time

    On Assembly, got 5 Hammer kills during a ranked or social match.

    04 August 2010 - 4 guides
  • … Get the Horns

    On a Mythic map, got a Bulltrue medal during a ranked or social match.

    01 May 2010 - 13 guides
  • Awww, Too Bad

    On a Mythic map, got a Killjoy medal during a ranked or social match.

    01 May 2010 - 2 guides
  • Tank Dropper

    On a Mythic map, got a kill on another player while in monitor mode.

    24 September 2009 - 14 guides
  • Killtacular

    On a Mythic map, get a Killtacular during any ranked or social match.

    Locked - 11 guides
  • Have Fun Respawning

    On a Mythic map, get an Extermination during any ranked or social match.

    Locked - 6 guides
  • Zombie Repeller

    On a Mythic map, kill 2 Zombies during any ranked or social match.

    Locked - 3 guides
  • Assembly Skull

    On Assembly, find the hidden skull.

    Locked - 4 guides
  • Orbital Skull

    On Orbital, find the hidden skull.

    Locked - 5 guides
  • Sandbox Skull

    On Sandbox, find the hidden skull.

    Locked - 10 guides
Add-on

Mythic II Map Pack

299
175
7
3.81
159,694
43,640 (27%)
2-3h
Mythic II Map Pack
  • Blades of Fury

    On Heretic, got a Sword Spree during a ranked or social match.

    04 August 2010 - 4 guides
  • Ghost Patrol

    On Longshore, got 3 kills with a Ghost during a ranked or social match.

    04 August 2010 - 1 guide
  • Pull

    On Citadel, get a Shotgun Spree during any ranked or social match.

    Locked - 5 guides
  • Citadel Skull

    On Citadel, find the hidden skull.

    Locked - 5 guides
  • Heretic Skull

    On Heretic, find the hidden skull.

    Locked - 6 guides
  • Longshore Skull

    On Longshore, find the hidden skull.

    Locked - 3 guides
  • Vidmaster Challenge: Brainpan

    Find all the hidden skulls on the Mythic maps.

    Locked - 4 guides
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Halo 3 Achievements FAQ
  • How many achievements are there in Halo 3?
    There are 79 achievements in Halo 3, worth a total of 1,750 Gamerscore.
    You can view the full list of Halo 3 achievements here.
  • Is Halo 3 on Game Pass?
    No, Halo 3 is not currently available on either Xbox Game Pass or PC Game Pass.
  • When did Halo 3 release on Xbox?
    Halo 3 was released on September 25th, 2007.
  • How long does it take to complete all the achievements in Halo 3?
    It takes between 40 and 50 hours to complete the base game achievements in Halo 3. You can find a full guide to unlocking all of the achievements in the Halo 3 walkthrough.