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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
  • Black Eye

    Claimed Black Eye skull.

    Unlocked offline - 3 guides
  • 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
  • The Key

    Completed the eighth mission of the Campaign.

    Unlocked offline - 1 guide
  • Return

    Completed the final mission of the Campaign.

    Unlocked offline - 1 guide
  • Headshot Honcho

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

    Unlocked offline - 5 guides
  • Used Car Salesman

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

    Unlocked offline - 7 guides
  • Campaign Complete: Normal

    Completed the Campaign on Normal difficulty.

    Unlocked offline - 1 guide
  • Campaign Complete: Heroic

    Completed the Campaign on Heroic difficulty.

    Unlocked offline - 2 guides
  • Tough Luck

    Claimed Tough Luck 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
  • Fog

    Claimed Fog skull.

    Unlocked offline - 4 guides
  • Guerilla

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

    Unlocked offline - 5 guides
  • Demon

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

    Unlocked offline - 4 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.

    Unlocked offline - 6 guides
  • Vanguard

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

    Unlocked offline - 6 guides
  • Askar

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

    Unlocked offline - 4 guides
  • Exterminator

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

    Unlocked offline - 3 guides
  • Reclaimer

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

    Unlocked offline - 4 guides
  • Spartan Officer

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

    05 October 2008 - 9 guides
  • UNSC Spartan

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

    27 September 2008 - 2 guides
  • Marathon Man

    Accessed all Terminals in the Campaign.

    15 September 2008 - 9 guides
  • Iron

    Claimed Iron skull.

    02 September 2008 - 3 guides
  • Famine

    Claimed Famine skull.

    02 September 2008 - 5 guides
  • Too Close to the Sun

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

    01 September 2008 - 4 guides
  • Tilt

    Claimed Tilt skull.

    30 August 2008 - 4 guides
  • Thunderstorm

    Claimed Thunderstorm skull.

    29 August 2008 - 3 guides
  • Catch

    Claimed Catch skull.

    29 August 2008 - 5 guides
  • Up Close and Personal

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

    27 August 2008 - 2 guides
  • Graduate

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

    27 August 2008 - 4 guides
  • MVP

    Earned the MVP in a ranked playlist.

    27 August 2008 - 3 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
  • Orpheus

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

    Locked - 4 guides
Add-on

Legendary Map Pack

433
250
7
3.84
183,741
48,248 (26%)
2-3h
Legendary Map Pack
  • Double Double

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

    Locked - 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
  • 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
49,545 (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
  • Sandbox Skull

    On Sandbox, found the hidden skull.

    19 August 2010 - 10 guides
  • Tank Dropper

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

    08 August 2010 - 14 guides
  • Assembly Skull

    On Assembly, found the hidden skull.

    08 August 2010 - 4 guides
  • Orbital Skull

    On Orbital, found the hidden skull.

    08 August 2010 - 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
  • Awww, Too Bad

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

    Locked - 2 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
43,641 (27%)
2-3h
Mythic II Map Pack
  • Longshore Skull

    On Longshore, found the hidden skull.

    08 August 2010 - 3 guides
  • Heretic Skull

    On Heretic, found the hidden skull.

    08 August 2010 - 6 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.