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A Gamerpoint is an award given in a numerical value shown on your Multiplayer emblem. You attain gamerpoints after completing special tasks or milestones in a game, otherwise known as achievements. In some games, gaining a certain amount of gamerpoints unlocks something in the game, such as armor or new weapons, or gaining a certain number of gamerpoints can also gain achievements in some games. While most games have 1000 gamerpoints in total, some games (e.g. Xbox Live Arcade games) have far less than 1000 gamerpoints. Also, some games are not shipped with 1000 gamerpoints, but offer achievements as downloadable content. The total amount of Gamerpoints is called the "Gamerscore" by most people. Normally a game has 1000 gamerpoints but if an expansion pack is released more can be added on, as per the case of the DLC achievements that shipped with the Legendary map pack and the Mythic map pack. The Armor Permutation Security can only be unlocked by collecting 1000 Halo 3 Gamerpoints. Other Permutations can only be achieved by completing achievements.

Note: These are not to be confused with "Microsoft Points", which are a stored-value system used for purchasing content on Xbox Live.

Campaign Achievements & GamerpointsEdit

Main article: List of Halo 3 Achievements

Landfall- 20 points. Finish Sierra 117 from mission start on Normal, Heroic, or Legendary.

Holdout- 20 points. Finish Crow's Nest from mission start on Normal, Heroic, or Legendary.

The Road- 20 points. Finish Tsavo Highway from mission start on Normal, Heroic, or Legendary.

Assault- 30 points. Finish The Storm from mission start on Normal, Heroic, or Legendary.

Cleansing- 30 points. Finish Floodgate from mission start on Normal, Heroic, or Legendary.

Refuge- 30 points. Finish The Ark from mission start on Normal, Heroic, or Legendary.

Last Stand- 40 points. Finish The Covenant from mission start on Normal, Heroic, or Legendary.

The Key - 40 points. Finish the level Cortana from mission start on Normal, Heroic, or Legendary.

Return - 50 points. Finish the level Halo from mission start on Normal, Heroic, or Legendary.

Campaign Complete: Normal- 125 points. Complete all Campaign missions from mission start on Normal.

Campaign Complete: Heroic- 125 points. Complete all Campaign missions from mission start on Heroic (unlocks achievement for Normal, if not yet earned).

Campaign Complete: Legendary- 125 points. Complete all Campaign missions from mission start on Legendary (unlocks achievements for Normal and Heroic, if not yet earned).

Marathon Man- 40 points. Locate and access all Terminals in the Campaign.

Skull Achievements & GamerpointsEdit

Iron- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Black Eye- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Tough Luck- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Catch- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Fog- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Famine- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Thunderstorm- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Tilt- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Mythic- 10 points. Find and claim this skull on Normal, Heroic, or Legendary difficulty. You must begin at mission start.

Multiplayer Achievements & GamerpointsEdit

UNSC Spartan- 15 points. Earn your Sergeant rating to be recognized as a true Spartan Online.

Spartan Officer- 25 points. Advance to the Spartan Officer ranks Online.

Two for One- 5 points. Score a Double Kill with a single Spartan Laser shot in a ranked free for all playlist Online.

Too Close to the Sun- 5 points. Destroy an enemy Banshee with the spartan laser or Missile Pod in a ranked playlist or in campaign.

Triple Kill- 5 points. Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist Online.

Overkill- 5 points. Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist Online.

Lee R Wilson Memorial- 5 points. Score 5 grenade sticks in any ranked free for all playlist Online.

We’re in for some Chop- 5 points. Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.

Killing Frenzy- 5 points. Kill 10 enemies without dying in any ranked free for all playlist Online.

Steppin' Razor- 5 points. Score a Triple Kill with the Energy Sword in a ranked free for all playlist Online.

Mongoose Mowdown- 5 points. Splatter an enemy with the Mongoose in a ranked free for all playlist Online.

Up Close and Personal- 5 points. Kill 5 enemies by melee or assassination in a ranked free for all playlist Online.

Fear the Pink Mist- 5 points. Kill 5 enemies with the Needler in a ranked free for all playlist or in campaign.

Headshot Honcho- 5 points. Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.

Used Car Salesman- 5 points. Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.

MVP- 5 points. Earn the MVP in any ranked playlist Online.

Maybe Next Time Buddy- 5 points. Board the same vehicle within 10 seconds after being boarded in any free for all playlist Online.

Meta-Game Achievements & GamerpointsEdit

Guerilla- 10 points. Score over 15,000 points in the Campaign meta-game on Sierra 117.

Demon- 10 points. Score over 15,000 points in the Campaign meta-game on Crow's Nest.

Cavalier- 10 points. Score over 15,000 points in the Campaign meta-game on Tsavo Highway.

Askar- 10 points. Score over 15,000 points in the Campaign meta-game on The Storm.

Exterminator- 10 points. Score over 15,000 points in the Campaign meta-game on Floodgate.

Ranger- 10 points. Score over 50,000 points in the Campaign meta-game on The Ark.

Vanguard- 10 points. Score over 50,000 points in the Campaign meta-game on The Covenant.

Orpheus- 10 points. Score over 15,000 points in the Campaign meta-game on Cortana.

Reclaimer- 10 points. Score over 15,000 points in the Campaign meta-game on Halo.

	Achievements in Halo 3 Source
Campaign	Landfall • Holdout • The Road • Assault • Cleansing • Refuge • Last Stand • The Key • Return • Campaign Complete: Normal • Campaign Complete: Heroic • Campaign Complete: Legendary • Marathon Man
Meta-Game	Guerilla • Demon • Cavalier • Askar • Exterminator • Ranger • Vanguard • Orpheus • Reclaimer
Campaign Skulls	Iron • Black Eye • Tough Luck • Catch • Fog • Famine • Thunderstorm • Tilt • Mythic
Mythic Map Skulls	Assembly Skull • Citadel Skull • Heretic Skull • Longshore Skull • Orbital Skull • Sandbox Skull
Multiplayer	Graduate • UNSC Spartan • Spartan Officer • Two for One • Too Close to the Sun • Triple Kill • Overkill • Lee R. Wilson Memorial • We're in for Some Chop • Killing Frenzy • Steppin' Razor • Mongoose Mowdown • Up Close and Personal • Fear the Pink Mist • Headshot Honcho • Used Car Salesman • MVP • Maybe Next Time Buddy
Legendary Maps Multiplayer	Look Both Ways • Road Rage • Flag Dropped • Defend This • Came... From... Behind • Alas, Poor Yorick • Double Double
Mythic Maps Multiplayer	Hammer Time • Blades of Fury • Ghost Patrol • Post Mortem • ... Get the Horns • Awww, Too Bad • Killtacular • Have Fun Respawning • Save This Film • Delicious Brains • Zombie Repeller • Tank Dropper • Pull!
Vidmaster Challenges	Lightswitch • Annual • 7 on 7 • Brainpan

Halo Wars AchievementsEdit

	Achievements in Halo Wars Source
Campaign	Adjudicate The Arbiter • Detour The Great Journey • Momma's Boy • Crushed Colors • Mr. Punctual • Own Worst Enemy • Wall Of Recognition • Epic Grinder
Campaign Level Medals	Everything's Better With Bacon • Endless Fun • Covenant "Hot Drop" • The Real Winner • He's Got The Jack • Rhino Hugger • Micro Manager • Ramblin' Man • Sweet Naptime • The Procrastinator • Battened Down The Hatches • Handy With Tools • Beaming With Pride • Didn't Get To Second Base • Thinkin' About My Doorbell
Co-Op Campaign	Backscratcher • OMG BFF FTW
Skirmish	Playin' The Field • Gallivant Around The Galaxy • Empire Builder • Titan • Big Al's Scooter • My Virtual Friends Love Me • 2 Bugs Are Better Than 1 • Penny Pincher
Multiplayer	N00b n0 M0r3 • So Lonely At The Top • Basically Naive • Officer On Deck • Running The Show
Strategic Options DLC Achievements	One and Done • Pull Hard, Pull Deep • Freak on a Streak • Living Loving Bug
Historic Battle Map Pack	Tour Coming Through • Never Leave a Man Behind • Drain Cleaner • Killjoy
Other	Walk-Off Winner • Alas, Poor Andrew Thomas • Graverobber • Halo Academic • Halo Historian • Ready For The Sequel • 24 Hours Of Quality
Secret Achievements	Meet Sergeant Forge • Ice Warriors • Key To Pirth • Ugly Is Only Skin Deep • No Way Home?

Halo 3: ODST AchievementsEdit

	Achievements in Halo 3: ODST Source
Campaign	All Ears • Audiophile • Boom, Headshot • Both Tubes • Campaign Complete: Normal • Campaign Complete: Heroic • Campaign Complete: Legendary • Coastal Highway • Dark Times • Data Hive • Dome Inspector • Ewww, Sticky • Good Samaritan • Gumshoe • Headcase • Heal Up • I Like Fire • Junior Detective • Kikowani Station • Kizingo Boulevard • Laser Blaster • Listener • My Clothes! • NMPD HQ • Naughty Naughty • ONI Alpha Site • Pink and Deadly • Stunning! • Super Sleuth • Tayari Plaza • Tourist • Trading Down • Tuned In • Uplift Reserve • Wraith Killer
Firefight	Be Like Marty • Firefight: Alpha Site • Firefight: Chasm Ten • Firefight: Crater • Firefight: Last Exit • Firefight: Lost Platoon • Firefight: Rally Point • Firefight: Security Zone • Firefight: Windward
Vidmaster Challenges	Vidmaster Challenge: Classic • Vidmaster Challenge: Deja Vu • Vidmaster Challenge: Endure