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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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  • Marathon Man

    Accessed all Terminals in the Campaign.

    29 April 2010 - 9 guides
  • Orpheus

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

    13 April 2010 - 4 guides
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  • Vanguard

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

    13 April 2010 - 6 guides
  • Exterminator

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

    12 April 2010 - 3 guides
  • Ranger

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

    15 March 2010 - 6 guides
  • Up Close and Personal

    Killed 5 enemies by melee or assassination in a ranked free for all playlist.

    04 February 2010 - 2 guides
  • Reclaimer

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

    22 January 2010 - 4 guides
  • Askar

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

    22 January 2010 - 4 guides
  • Headshot Honcho

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

    08 January 2010 - 5 guides
  • Too Close to the Sun

    Destroyed a banshee with the spartan laser or missile pod in a ranked playlist or in campaign.

    08 January 2010 - 4 guides
  • MVP

    Earned the MVP in a ranked playlist.

    08 January 2010 - 3 guides
  • Cavalier

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

    07 January 2010 - 4 guides
  • Demon

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

    07 January 2010 - 4 guides
  • Guerilla

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

    07 January 2010 - 5 guides
  • Campaign Complete: Legendary

    Completed the Campaign on Legendary difficulty.

    31 December 2009 - 17 guides
  • Campaign Complete: Heroic

    Completed the Campaign on Heroic difficulty.

    31 December 2009 - 2 guides
  • Famine

    Claimed Famine skull.

    30 June 2009 - 5 guides
  • Landfall

    Completed the first mission of the Campaign.

    Unlocked offline - 1 guide
  • Holdout

    Completed the second mission of the Campaign.

    Unlocked offline - 1 guide
  • The Road

    Completed the third mission of the Campaign.

    Unlocked offline - 1 guide
  • Assault

    Completed the fourth mission of the Campaign.

    Unlocked offline - 1 guide
  • Cleansing

    Completed the fifth mission of the Campaign.

    Unlocked offline - 1 guide
  • Refuge

    Completed the sixth mission of the Campaign.

    Unlocked offline - 1 guide
  • Last Stand

    Completed the seventh mission of the Campaign.

    Unlocked offline - 2 guides
  • Return

    Completed the final mission of the Campaign.

    Unlocked offline - 1 guide
  • Iron

    Claimed Iron skull.

    Unlocked offline - 3 guides
  • Black Eye

    Claimed Black Eye skull.

    Unlocked offline - 3 guides
  • Tough Luck

    Claimed Tough Luck skull.

    Unlocked offline - 3 guides
  • Catch

    Claimed Catch skull.

    Unlocked offline - 5 guides
  • Thunderstorm

    Claimed Thunderstorm skull.

    Unlocked offline - 3 guides
  • Mythic

    Claimed Mythic skull.

    Unlocked offline - 3 guides
  • Fear the Pink Mist

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

    Unlocked offline - 6 guides
  • Used Car Salesman

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

    Unlocked offline - 7 guides
  • Spartan Officer

    True veteran of many battles, you are a Spartan Officer.

    15 May 2009 - 9 guides
  • UNSC Spartan

    Promoted to Sergeant. Proven in combat, you are a Spartan.

    12 May 2009 - 2 guides
  • Graduate

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

    02 May 2009 - 4 guides
  • Campaign Complete: Normal

    Completed the Campaign on Normal difficulty.

    30 April 2009 - 1 guide
  • The Key

    Completed the eighth mission of the Campaign.

    27 April 2009 - 1 guide
  • Tilt

    Claimed Tilt skull.

    27 April 2009 - 4 guides
  • Fog

    Claimed Fog skull.

    24 April 2009 - 4 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
  • 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
  • We’re in for some Chop

    Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.

    Locked - 3 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
  • Maybe Next Time Buddy

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

    Locked - 7 guides
Add-on

Legendary Map Pack

433
250
7
3.84
183,749
48,247 (26%)
2-3h
Legendary Map Pack
  • Road Rage

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

    08 March 2010 - 7 guides
  • Look Both Ways

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

    02 March 2010 - 9 guides
  • Came… From… Behind

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

    02 March 2010 - 4 guides
  • Defend This

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

    04 February 2010 - 5 guides
  • Alas, Poor Yorick

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

    05 January 2010 - 9 guides
  • Double Double

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

    24 May 2009 - 6 guides
  • Flag Dropped

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

    22 May 2009 - 6 guides
Update

Vidmaster Challenges

0
0
3
3.72
141,338
49,544 (35%)
2-3h
Vidmaster Challenges
  • Vidmaster Challenge: Annual

    After 9/25/08, completed Halo on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.

    08 April 2010 - 7 guides
  • Vidmaster Challenge: 7 on 7

    Entered into a ranked or social playlist with 7 EXP on the 7th of the month.

    08 January 2010 - 5 guides
Add-on

Mythic Map Pack

586
325
13
3.81
211,948
35,977 (17%)
2-3h
Mythic Map Pack
  • Have Fun Respawning

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

    11 April 2010 - 6 guides
  • Post Mortem

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

    02 March 2010 - 10 guides
  • Zombie Repeller

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

    19 February 2010 - 3 guides
  • Delicious Brains

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

    19 February 2010 - 3 guides
  • Killtacular

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

    31 January 2010 - 11 guides
  • … Get the Horns

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

    31 January 2010 - 13 guides
  • Awww, Too Bad

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

    24 May 2009 - 2 guides
  • Tank Dropper

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

    23 May 2009 - 14 guides
  • Orbital Skull

    On Orbital, found the hidden skull.

    19 May 2009 - 5 guides
  • Assembly Skull

    On Assembly, found the hidden skull.

    19 May 2009 - 4 guides
  • Sandbox Skull

    On Sandbox, found the hidden skull.

    19 May 2009 - 10 guides
  • Hammer Time

    On Assembly, get 5 Hammer kills during any ranked or social match.

    Locked - 4 guides
  • Save This Film

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

    Locked - 9 guides
Add-on

Mythic II Map Pack

299
175
7
3.81
159,701
43,640 (27%)
2-3h
Mythic II Map Pack
  • Heretic Skull

    On Heretic, found the hidden skull.

    23 October 2009 - 6 guides
  • Longshore Skull

    On Longshore, found the hidden skull.

    23 October 2009 - 3 guides
  • Pull

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

    Locked - 5 guides
  • Blades of Fury

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

    Locked - 4 guides
  • Ghost Patrol

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

    Locked - 1 guide
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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.