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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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  • Vanguard

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

    Unlocked offline - 6 guides
  • Exterminator

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

    02 September 2008 - 3 guides
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  • Ranger

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

    02 September 2008 - 6 guides
  • Guerilla

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

    01 September 2008 - 5 guides
  • Demon

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

    01 September 2008 - 4 guides
  • Cavalier

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

    01 September 2008 - 4 guides
  • Askar

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

    01 September 2008 - 4 guides
  • Catch

    Claimed Catch skull.

    30 August 2008 - 5 guides
  • Thunderstorm

    Claimed Thunderstorm skull.

    30 August 2008 - 3 guides
  • Marathon Man

    Accessed all Terminals in the Campaign.

    30 August 2008 - 9 guides
  • Tilt

    Claimed Tilt skull.

    29 August 2008 - 4 guides
  • Famine

    Claimed Famine skull.

    27 August 2008 - 5 guides
  • Tough Luck

    Claimed Tough Luck skull.

    10 August 2008 - 3 guides
  • Mongoose Mowdown

    Splattered an enemy with the mongoose in a ranked free for all playlist.

    04 August 2008 - 9 guides
  • Headshot Honcho

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

    04 August 2008 - 5 guides
  • Fog

    Claimed Fog skull.

    03 August 2008 - 4 guides
  • Two for One

    Scored a Double Kill with a single spartan laser shot in a ranked free for all playlist.

    03 August 2008 - 18 guides
  • We’re in for some Chop

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

    03 August 2008 - 3 guides
  • Too Close to the Sun

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

    02 August 2008 - 4 guides
  • Lee R Wilson Memorial

    Scored 5 grenade sticks in any ranked free for all playlist.

    01 August 2008 - 8 guides
  • Used Car Salesman

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

    25 May 2008 - 7 guides
  • Overkill

    Killed 4 enemies within 4 seconds of one another in a ranked free for all playlist.

    15 March 2008 - 9 guides
  • Steppin' Razor

    Scored a Triple Kill with the sword in a ranked free for all playlist.

    15 March 2008 - 7 guides
  • Spartan Officer

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

    23 February 2008 - 9 guides
  • Killing Frenzy

    Killed 10 enemies without dying in any ranked free for all playlist.

    23 February 2008 - 9 guides
  • The Key

    Completed the eighth mission of the Campaign.

    17 February 2008 - 1 guide
  • Return

    Completed the final mission of the Campaign.

    17 February 2008 - 1 guide
  • Campaign Complete: Normal

    Completed the Campaign on Normal difficulty.

    17 February 2008 - 1 guide
  • Campaign Complete: Heroic

    Completed the Campaign on Heroic difficulty.

    17 February 2008 - 2 guides
  • Mythic

    Claimed Mythic skull.

    17 February 2008 - 3 guides
  • Refuge

    Completed the sixth mission of the Campaign.

    10 February 2008 - 1 guide
  • Last Stand

    Completed the seventh mission of the Campaign.

    10 February 2008 - 2 guides
  • MVP

    Earned the MVP in a ranked playlist.

    09 February 2008 - 3 guides
  • Triple Kill

    Killed 3 enemies within 4 seconds of one another in a ranked free for all playlist.

    01 February 2008 - 6 guides
  • UNSC Spartan

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

    30 January 2008 - 2 guides
  • Up Close and Personal

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

    30 January 2008 - 2 guides
  • Landfall

    Completed the first mission of the Campaign.

    27 January 2008 - 1 guide
  • Holdout

    Completed the second mission of the Campaign.

    27 January 2008 - 1 guide
  • The Road

    Completed the third mission of the Campaign.

    27 January 2008 - 1 guide
  • Assault

    Completed the fourth mission of the Campaign.

    27 January 2008 - 1 guide
  • Cleansing

    Completed the fifth mission of the Campaign.

    27 January 2008 - 1 guide
  • Iron

    Claimed Iron skull.

    27 January 2008 - 3 guides
  • Black Eye

    Claimed Black Eye skull.

    27 January 2008 - 3 guides
  • Fear the Pink Mist

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

    27 January 2008 - 6 guides
  • Graduate

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

    21 January 2008 - 4 guides
  • Campaign Complete: Legendary

    Finish the Campaign on Legendary (unlocks achievements for Normal and Heroic, if not earned).

    Locked - 17 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
  • 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
  • Alas, Poor Yorick

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

    15 July 2009 - 9 guides
  • Came… From… Behind

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

    14 July 2009 - 4 guides
  • Double Double

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

    25 June 2009 - 6 guides
  • Defend This

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

    Locked - 5 guides
  • Flag Dropped

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

    Locked - 6 guides
  • Road Rage

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

    Locked - 7 guides
  • Look Both Ways

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

    Locked - 9 guides
Update

Vidmaster Challenges

0
0
3
3.72
141,330
49,541 (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
  • Assembly Skull

    On Assembly, found the hidden skull.

    26 August 2009 - 4 guides
  • Orbital Skull

    On Orbital, found the hidden skull.

    26 August 2009 - 5 guides
  • Sandbox Skull

    On Sandbox, found the hidden skull.

    26 August 2009 - 10 guides
  • Awww, Too Bad

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

    15 July 2009 - 2 guides
  • Zombie Repeller

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

    14 July 2009 - 3 guides
  • Hammer Time

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

    Locked - 4 guides
  • Post Mortem

    On Orbital, get 2 Death From the Grave medals during any ranked or social match.

    Locked - 10 guides
  • … Get the Horns

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

    Locked - 13 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
  • Save This Film

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

    Locked - 9 guides
  • Delicious Brains

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

    Locked - 3 guides
  • Tank Dropper

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

    Locked - 14 guides
Add-on

Mythic II Map Pack

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

    On Citadel, found the hidden skull.

    27 September 2009 - 5 guides
  • Heretic Skull

    On Heretic, found the hidden skull.

    27 September 2009 - 6 guides
  • Longshore Skull

    On Longshore, found the hidden skull.

    27 September 2009 - 3 guides
  • Vidmaster Challenge: Brainpan

    Found all the hidden skulls on the Mythic maps.

    27 September 2009 - 4 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.