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Halo 3 Achievements

Halo 3 has 79 achievements worth 1,750 gamerscore.

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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  • Mongoose Mowdown

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

    01 December 2007 - 9 guides
  • We’re in for some Chop

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

    09 October 2007 - 3 guides
  • Reclaimer

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

    08 October 2007 - 4 guides
  • Too Close to the Sun

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

    08 October 2007 - 4 guides
  • Orpheus

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

    07 October 2007 - 4 guides
  • Vanguard

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

    07 October 2007 - 6 guides
  • Spartan Officer

    Advance to the Spartan Officer ranks (Online).

    06 October 2007 - 6 guides
  • Overkill

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

    05 October 2007 - 9 guides
  • Two for One

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

    05 October 2007 - 18 guides
  • Steppin' Razor

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

    05 October 2007 - 7 guides
  • Triple Kill

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

    05 October 2007 - 6 guides
  • Ranger

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

    02 October 2007 - 6 guides
  • Askar

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

    01 October 2007 - 4 guides
  • Cavalier

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

    01 October 2007 - 4 guides
  • Campaign Complete: Legendary

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

    29 September 2007 - 17 guides
  • Killing Frenzy

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

    29 September 2007 - 9 guides
  • Exterminator

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

    28 September 2007 - 3 guides
  • Demon

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

    28 September 2007 - 4 guides
  • Guerilla

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

    28 September 2007 - 5 guides
  • Marathon Man

    Locate and access all Terminals in the Campaign.

    28 September 2007 - 9 guides
  • Lee R Wilson Memorial

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

    27 September 2007 - 8 guides
  • Maybe Next Time Buddy

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

    27 September 2007 - 7 guides
  • Fear the Pink Mist

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

    27 September 2007 - 6 guides
  • Headshot Honcho

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

    27 September 2007 - 4 guides
  • UNSC Spartan

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

    27 September 2007 - 1 guide
  • Fog

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    27 September 2007 - 4 guides
  • Catch

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    27 September 2007 - 5 guides
  • Mythic

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    27 September 2007 - 3 guides
  • Tilt

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    27 September 2007 - 4 guides
  • Famine

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    27 September 2007 - 5 guides
  • Tough Luck

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    27 September 2007 - 3 guides
  • Black Eye

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    27 September 2007 - 3 guides
  • Campaign Complete: Heroic

    Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).

    26 September 2007 - 2 guides
  • Campaign Complete: Normal

    Finish the Campaign on Normal.

    26 September 2007 - 1 guide
  • Return

    Finish the final mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • The Key

    Finish the eighth mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • Last Stand

    Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 2 guides
  • Used Car Salesman

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

    26 September 2007 - 7 guides
  • Thunderstorm

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    26 September 2007 - 2 guides
  • Refuge

    Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • Cleansing

    Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • Assault

    Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • The Road

    Finish the third mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • Holdout

    Finish the second mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • Landfall

    Finish the first mission of the Campaign on Normal, Heroic, or Legendary.

    26 September 2007 - 1 guide
  • Iron

    Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.

    26 September 2007 - 3 guides
  • MVP

    Earn the MVP in any ranked playlist (Online).

    26 September 2007 - 2 guides
  • Up Close and Personal

    Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).

    26 September 2007 - 2 guides
  • Graduate

    Earn 5 EXP or finish 10 games to complete the requirements for basic training (Online).

    26 September 2007 - 4 guides
Add-on: Legendary Map Pack

Legendary Map Pack

4142507
3.75124,99136,999 (30%)2-3 h
Legendary Map Pack
  • Alas, Poor Yorick

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

    07 October 2008 - 9 guides
  • Flag Dropped

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

    26 September 2008 - 6 guides
  • Defend This

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

    23 September 2008 - 5 guides
  • Look Both Ways

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

    23 September 2008 - 9 guides
  • Road Rage

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

    23 September 2008 - 7 guides
  • Double Double

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

    23 September 2008 - 6 guides
  • Came… From… Behind

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

    23 September 2008 - 4 guides
Title update: Vidmaster Challenges

Vidmaster Challenges

003
3.6997,46636,392 (37%)2-3 h
Vidmaster Challenges
Add-on: Mythic Map Pack

Mythic Map Pack

55832513
3.70141,82228,126 (20%)2-3 h
Mythic Map Pack
  • Killtacular

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

    15 October 2009 - 11 guides
  • Delicious Brains

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

    30 May 2009 - 2 guides
  • Zombie Repeller

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

    30 May 2009 - 2 guides
  • Hammer Time

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

    28 February 2009 - 4 guides
  • Post Mortem

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

    28 February 2009 - 10 guides
  • Save This Film

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

    28 February 2009 - 9 guides
  • Have Fun Respawning

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

    28 February 2009 - 6 guides
  • … Get the Horns

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

    28 February 2009 - 14 guides
  • Tank Dropper

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

    27 February 2009 - 13 guides
  • Sandbox Skull

    On Sandbox, find the hidden skull.

    27 February 2009 - 10 guides
  • Orbital Skull

    On Orbital, find the hidden skull.

    27 February 2009 - 5 guides
  • Assembly Skull

    On Assembly, find the hidden skull.

    27 February 2009 - 4 guides
  • Awww, Too Bad

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

    27 February 2009 - 2 guides
Add-on: Mythic II Map Pack

Mythic II Map Pack

2861757
3.72109,89033,901 (31%)2-3 h
Mythic II Map Pack
  • Pull

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

    23 September 2009 - 5 guides
  • Ghost Patrol

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

    23 September 2009 - 1 guide
  • Blades of Fury

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

    23 September 2009 - 4 guides
  • Vidmaster Challenge: Brainpan

    Find all the hidden skulls on the Mythic maps.

    22 September 2009 - 4 guides
  • Longshore Skull

    On Longshore, find the hidden skull.

    22 September 2009 - 3 guides
  • Heretic Skull

    On Heretic, find the hidden skull.

    22 September 2009 - 6 guides
  • Citadel Skull

    On Citadel, find the hidden skull.

    22 September 2009 - 5 guides