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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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  • Holdout

    Completed the second 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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  • Headshot Honcho

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

    Unlocked offline - 5 guides
  • Cavalier

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

    Unlocked offline - 4 guides
  • Ranger

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

    22 December 2007 - 6 guides
  • We’re in for some Chop

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

    21 December 2007 - 3 guides
  • Reclaimer

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

    21 December 2007 - 4 guides
  • Vanguard

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

    11 December 2007 - 6 guides
  • Two for One

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

    09 December 2007 - 18 guides
  • Guerilla

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

    08 December 2007 - 5 guides
  • Askar

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

    07 December 2007 - 4 guides
  • Demon

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

    07 December 2007 - 4 guides
  • Used Car Salesman

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

    07 December 2007 - 7 guides
  • Exterminator

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

    07 December 2007 - 3 guides
  • Orpheus

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

    07 December 2007 - 4 guides
  • Lee R Wilson Memorial

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

    05 December 2007 - 8 guides
  • Maybe Next Time Buddy

    Boarded the same vehicle within 10 seconds after being boarded in any free for all playlist.

    05 December 2007 - 7 guides
  • Steppin' Razor

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

    04 December 2007 - 7 guides
  • Campaign Complete: Legendary

    Completed the Campaign on Legendary difficulty.

    27 November 2007 - 17 guides
  • Campaign Complete: Heroic

    Completed the Campaign on Heroic difficulty.

    27 November 2007 - 2 guides
  • Spartan Officer

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

    16 November 2007 - 9 guides
  • MVP

    Earned the MVP in a ranked playlist.

    27 October 2007 - 3 guides
  • Triple Kill

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

    26 October 2007 - 6 guides
  • Mongoose Mowdown

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

    26 October 2007 - 9 guides
  • UNSC Spartan

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

    22 October 2007 - 2 guides
  • Campaign Complete: Normal

    Completed the Campaign on Normal difficulty.

    16 October 2007 - 1 guide
  • Refuge

    Completed the sixth mission of the Campaign.

    16 October 2007 - 1 guide
  • Cleansing

    Completed the fifth mission of the Campaign.

    16 October 2007 - 1 guide
  • Too Close to the Sun

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

    16 October 2007 - 4 guides
  • Last Stand

    Completed the seventh mission of the Campaign.

    15 October 2007 - 2 guides
  • Thunderstorm

    Claimed Thunderstorm skull.

    15 October 2007 - 3 guides
  • Tilt

    Claimed Tilt skull.

    15 October 2007 - 4 guides
  • Fog

    Claimed Fog skull.

    15 October 2007 - 4 guides
  • Catch

    Claimed Catch skull.

    15 October 2007 - 5 guides
  • Assault

    Completed the fourth mission of the Campaign.

    14 October 2007 - 1 guide
  • Up Close and Personal

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

    14 October 2007 - 2 guides
  • Mythic

    Claimed Mythic skull.

    13 October 2007 - 3 guides
  • Famine

    Claimed Famine skull.

    12 October 2007 - 5 guides
  • The Road

    Completed the third mission of the Campaign.

    10 October 2007 - 1 guide
  • Tough Luck

    Claimed Tough Luck skull.

    10 October 2007 - 3 guides
  • Return

    Completed the final mission of the Campaign.

    06 October 2007 - 1 guide
  • The Key

    Completed the eighth mission of the Campaign.

    06 October 2007 - 1 guide
  • Graduate

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

    06 October 2007 - 4 guides
  • Black Eye

    Claimed Black Eye skull.

    06 October 2007 - 3 guides
  • Landfall

    Completed the first mission of the Campaign.

    06 October 2007 - 1 guide
  • Iron

    Claimed Iron skull.

    06 October 2007 - 3 guides
  • Overkill

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

    Locked - 9 guides
  • Killing Frenzy

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

    Locked - 9 guides
  • Marathon Man

    Locate and access all Terminals in the Campaign.

    Locked - 9 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.

    02 May 2009 - 6 guides
  • Defend This

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

    02 May 2009 - 5 guides
  • Double Double

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

    20 April 2009 - 6 guides
  • Alas, Poor Yorick

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

    Locked - 9 guides
  • Came… From… Behind

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

    Locked - 4 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
49,542 (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
  • Tank Dropper

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

    20 April 2009 - 14 guides
  • Awww, Too Bad

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

    20 April 2009 - 2 guides
  • Sandbox Skull

    On Sandbox, found the hidden skull.

    19 April 2009 - 10 guides
  • Assembly Skull

    On Assembly, found the hidden skull.

    19 April 2009 - 4 guides
  • Orbital Skull

    On Orbital, found the hidden skull.

    19 April 2009 - 5 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
  • Zombie Repeller

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

    Locked - 3 guides
Add-on

Mythic II Map Pack

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

    On Heretic, found the hidden skull.

    22 September 2009 - 6 guides
  • Citadel Skull

    On Citadel, found the hidden skull.

    22 September 2009 - 5 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.