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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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  • Demon

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

    Unlocked offline - 4 guides
  • Askar

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

    18 December 2009 - 4 guides
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  • Cavalier

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

    08 October 2009 - 4 guides
  • Vanguard

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

    20 September 2009 - 6 guides
  • Orpheus

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

    20 September 2009 - 4 guides
  • Ranger

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

    30 August 2009 - 6 guides
  • Marathon Man

    Accessed all Terminals in the Campaign.

    30 August 2009 - 9 guides
  • Exterminator

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

    28 August 2009 - 3 guides
  • Reclaimer

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

    14 August 2009 - 4 guides
  • Guerilla

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

    04 July 2009 - 5 guides
  • Tilt

    Claimed Tilt skull.

    30 May 2009 - 4 guides
  • Fog

    Claimed Fog skull.

    29 May 2009 - 4 guides
  • Thunderstorm

    Claimed Thunderstorm skull.

    16 May 2009 - 3 guides
  • Overkill

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

    29 April 2009 - 9 guides
  • Steppin' Razor

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

    29 April 2009 - 7 guides
  • Catch

    Claimed Catch skull.

    28 April 2009 - 5 guides
  • Mythic

    Claimed Mythic skull.

    10 April 2009 - 3 guides
  • Lee R Wilson Memorial

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

    31 March 2009 - 8 guides
  • Spartan Officer

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

    30 March 2009 - 9 guides
  • Campaign Complete: Legendary

    Completed the Campaign on Legendary difficulty.

    29 March 2009 - 17 guides
  • Maybe Next Time Buddy

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

    27 March 2009 - 7 guides
  • We’re in for some Chop

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

    23 March 2009 - 3 guides
  • Mongoose Mowdown

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

    22 March 2009 - 9 guides
  • Campaign Complete: Heroic

    Completed the Campaign on Heroic difficulty.

    22 March 2009 - 2 guides
  • Too Close to the Sun

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

    21 March 2009 - 4 guides
  • Famine

    Claimed Famine skull.

    21 March 2009 - 5 guides
  • MVP

    Earned the MVP in a ranked playlist.

    20 March 2009 - 3 guides
  • Triple Kill

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

    03 January 2009 - 6 guides
  • Killing Frenzy

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

    30 December 2008 - 9 guides
  • UNSC Spartan

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

    28 December 2008 - 2 guides
  • Tough Luck

    Claimed Tough Luck skull.

    13 November 2008 - 3 guides
  • Black Eye

    Claimed Black Eye skull.

    13 November 2008 - 3 guides
  • Iron

    Claimed Iron skull.

    11 November 2008 - 3 guides
  • Used Car Salesman

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

    11 November 2008 - 7 guides
  • Graduate

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

    11 November 2008 - 4 guides
  • Campaign Complete: Normal

    Completed the Campaign on Normal difficulty.

    11 November 2008 - 1 guide
  • Return

    Completed the final mission of the Campaign.

    11 November 2008 - 1 guide
  • The Key

    Completed the eighth mission of the Campaign.

    11 November 2008 - 1 guide
  • Last Stand

    Completed the seventh mission of the Campaign.

    09 November 2008 - 2 guides
  • Refuge

    Completed the sixth mission of the Campaign.

    08 November 2008 - 1 guide
  • Headshot Honcho

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

    08 November 2008 - 5 guides
  • Cleansing

    Completed the fifth mission of the Campaign.

    08 November 2008 - 1 guide
  • Assault

    Completed the fourth mission of the Campaign.

    08 November 2008 - 1 guide
  • The Road

    Completed the third mission of the Campaign.

    08 November 2008 - 1 guide
  • Holdout

    Completed the second mission of the Campaign.

    10 September 2008 - 1 guide
  • Landfall

    Completed the first mission of the Campaign.

    09 September 2008 - 1 guide
  • Fear the Pink Mist

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

    09 September 2008 - 6 guides
  • Up Close and Personal

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

    10 July 2008 - 2 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
Add-on

Legendary Map Pack

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

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

    16 September 2009 - 9 guides
  • Flag Dropped

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

    27 June 2009 - 6 guides
  • Road Rage

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

    05 May 2009 - 7 guides
  • Alas, Poor Yorick

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

    30 April 2009 - 9 guides
  • Came… From… Behind

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

    26 April 2009 - 4 guides
  • Defend This

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

    04 April 2009 - 5 guides
  • Double Double

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

    29 March 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.

    15 January 2010 - 7 guides
  • Vidmaster Challenge: 7 on 7

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

    07 October 2009 - 5 guides
Add-on

Mythic Map Pack

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

    On Assembly, found the hidden skull.

    Unlocked offline - 4 guides
  • Orbital Skull

    On Orbital, found the hidden skull.

    Unlocked offline - 5 guides
  • Save This Film

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

    05 January 2010 - 9 guides
  • Have Fun Respawning

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

    05 January 2010 - 6 guides
  • Post Mortem

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

    30 August 2009 - 10 guides
  • Killtacular

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

    07 August 2009 - 11 guides
  • Zombie Repeller

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

    28 July 2009 - 3 guides
  • Delicious Brains

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

    28 July 2009 - 3 guides
  • … Get the Horns

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

    02 July 2009 - 13 guides
  • Hammer Time

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

    01 July 2009 - 4 guides
  • Awww, Too Bad

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

    01 July 2009 - 2 guides
  • Sandbox Skull

    On Sandbox, found the hidden skull.

    26 June 2009 - 10 guides
  • Tank Dropper

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

    16 June 2009 - 14 guides
Add-on

Mythic II Map Pack

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

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

    02 November 2009 - 5 guides
  • Blades of Fury

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

    08 October 2009 - 4 guides
  • Ghost Patrol

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

    04 October 2009 - 1 guide
  • Vidmaster Challenge: Brainpan

    Found all the hidden skulls on the Mythic maps.

    22 September 2009 - 4 guides
  • Longshore Skull

    On Longshore, found the hidden skull.

    22 September 2009 - 3 guides
  • Citadel Skull

    On Citadel, found the hidden skull.

    22 September 2009 - 5 guides
  • Heretic Skull

    On Heretic, found the hidden skull.

    22 September 2009 - 6 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.