| Icon
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Name
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Requirement
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Credit Reward
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Date
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| Weekly Challenges
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All in a Week's Work
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Kill 1000 enemies in multiplayer Matchmaking this week.
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4000 cR
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October 25–31, 2010
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Like Mike
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Finish a multiplayer matchmaking game with at least 30 kills.
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2000 cR
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October 18–24, 2010
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Your Daily Dose
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Complete all of the Daily Challenges for a given day.
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2000 cR
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October 11–17, 2010
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Like a Record, Baby
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Complete 50 Rounds in Firefight Matchmaking.
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3000 cR
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October 4–10, 2010
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Legendary Friends
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Complete any Campaign mission on Legendary in co-op mode.
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2500 cR
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September 27-October 3, 2010
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| Daily Challenges
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Gunslinger
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Kill 75 enemies in multiplayer Matchmaking.
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750 cR
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October 31, 2010
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A Great Friend
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Earn 30 assists today in multiplayer Matchmaking.
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2000 cR
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October 31, 2010
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Demon
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Kill 20 Elites in Firefight Matchmaking.
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500 cR
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October 31, 2010
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The Love of the Game
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Complete 20 games in multiplayer Matchmaking.
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2500 cR
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October 31, 2010
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Shootin' and Lootin'
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Kill 150 enemies in any game mode in Reach.
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1500 cR
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October 30, 2010
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Fire When Ready
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Kill 50 enemies in multiplayer Matchmaking
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500 cR
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October 30, 2010
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A Satisfied Thirst
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Kill 250 Grunts in Firefight Matchmaking.
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2000 cR
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October 30, 2010
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Home Field Advantage
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Win 4 games in multiplayer Matchmaking.
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800 cR
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October 30, 2010
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More than a Handful
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Kill 125 enemies in multiplayer Matchmaking.
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1250 cR
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October 29, 2010
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Covenant-cide
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Kill 60 enemies in Firefight Matchmaking.
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500 cR
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October 29, 2010
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A Side of Huevos
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Kill 40 enemies with Sniper Rifle headshots in Nightfall on Normal.
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1500 cR
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October 29, 2010
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The House of Blue Leaves
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Kill 111 enemies in a single Firefight Matchmaking game on Heroic.
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3000 cR
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October 29, 2010
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One Spartan Army
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Kill 150 enemies in Firefight Matchmaking.
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1500 cR
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October 28, 2010
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Hyper Lethal Vector
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Kill 200 enemies with headshots in Firefight Matchmaking.
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2000 cR
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October 28, 2010
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Points, Points
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Score 20,000 points in a Firefight Matchmaking game.
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2500 cR
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October 28, 2010
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One Game, One Spawn
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Complete a Firefight Matchmaking game without dying.
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1000 cR
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October 28, 2010
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Blastin' and Relaxin'
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Kill 180 enemies in any game mode in Reach.
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2000 cR
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October 27, 2010
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Covenant-cide
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Kill 90 enemies in Firefight Matchmaking.
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1000 cR
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October 27, 2010
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Five-time Champ
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Win 5 games in multiplayer Matchmaking.
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750 cR
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October 27, 2010
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Oops! All Kills
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Earn 5 Multikills in multiplayer Matchmaking.
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400 cR
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October 27, 2010
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Shootin' and Lootin'
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Kill 150 enemies in any game mode in Reach.
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1500 cR
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October 26, 2010
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Secondary Fire
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Earn 25 assists today in multiplayer Matchmaking.
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500 cR
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October 26, 2010
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Leadership Element
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Kill 45 enemy leaders in the Campaign today.
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1500 cR
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October 26, 2010
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Points, Points
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Score 15,000 points in a Firefight Matchmaking game.
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1500 cR
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October 26, 2010
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Fire When Ready
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Kill 50 enemies in multiplayer Matchmaking
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500 cR
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October 25, 2010
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One Spartan Army
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Kill 400 enemies in Firefight Matchmaking.
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2000 cR
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October 25, 2010
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Short, Controlled Bursts
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Kill 50 enemies with automatic weapons in the Campaign today.
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500 cR
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October 25, 2010
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Aggressive Negotiations
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Earn at least 17 kills in a multiplayer Matchmaking game.
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1200 cR
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October 25, 2010
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Gunslinger
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Kill 150 enemies in multiplayer Matchmaking.
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1500 cR
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October 24, 2010
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Covenant-cide
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Kill 75 enemies in Firefight Matchmaking.
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700 cR
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October 24, 2010
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Points Pyramid
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Score 25,000 points on any Campaign mission.
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2500 cR
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October 24, 2010
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Scoped
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Kill 100 enemies in Firefight Matchmaking with precision weapons.
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1400 cR
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October 24, 2010
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Shootin' and Lootin'
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Kill 400 enemies in any game mode in Reach.
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4000 cR
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October 23, 2010
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Where There's Smoke...
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Kill 50 enemies in Firefight Matchmaking.
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500 cR
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October 23, 2010
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Harder than Some
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Complete a Campaign mission on Heroic with Thunderstorm, Famine, and Tilt on.
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1000 cR
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October 23, 2010
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Neuroscience
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Kill 10 enemies with headshots in a multiplayer Matchmaking game.
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1200 cR
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October 23, 2010
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More than a Handful
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Kill 77 enemies in multiplayer Matchmaking.
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750 cR
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October 22, 2010
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Covenant-cide
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Kill 90 enemies in Firefight Matchmaking.
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1000 cR
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October 22, 2010
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Office of Not Dying
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Complete ONI on Legendary without dying.
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4000 cR
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October 22, 2010
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Fourth Horseman
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Earn 5 multikills in a multiplayer Matchmaking game.
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1200 cR
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October 22, 2010
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Be Their Huckleberry
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Kill 200 enemies in Firefight Matchmaking with the pistol.
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3500 cR
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October 21, 2010
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Blastin' and Relaxin'
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Kill 90 enemies in any game mode in Reach.
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1000 cR
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October 21, 2010
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The House of Blue Leaves
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Kill 88 enemies in a single Firefight Matchmaking game on Heroic.
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1000 cR
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October 21, 2010
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Above the Law
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Complete a Round in Firefight Matchmaking without dying.
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500 cR
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October 21, 2010
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A Great Friend
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Earn 30 assists today in multiplayer Matchmaking.
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2000 cR
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October 20, 2010
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Fire When Ready
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Kill 30 enemies in multiplayer Matchmaking
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300 cR
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October 20, 2010
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There Are Many Like...
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Kill 50 enemies with precision weapons in the Campaign today.
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500 cR
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October 20, 2010
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Be Their Huckleberry
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Kill 100 enemies in Firefight Matchmaking with the pistol.
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1500 cR
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October 20, 2010
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Gunslinger
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Kill 40 enemies in multiplayer Matchmaking.
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400 cR
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October 19, 2010
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One Spartan Army
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Kill 150 enemies in Firefight Matchmaking.
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1500 cR
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October 19, 2010
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Heroic Holdout
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Kill 50 enemies on Holdout on Heroic in Firefight Matchmaking.
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600 cR
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October 19, 2010
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The Dream Shake
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Earn 4 Double Kills in the same match in multiplayer Matchmaking.
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1000 cR
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October 19, 2010
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Shootin' and Lootin'
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Kill 100 enemies in any game mode in Reach.
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1000 cR
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October 18, 2010
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Covenant-cide
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Kill 90 enemies in Firefight Matchmaking.
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1000 cR
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October 18, 2010
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Streaky Shooter
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Earn 10 sprees in multiplayer Matchmaking.
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1200 cR
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October 18, 2010
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Cook 'em, Clean 'em!
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Kill 10 enemies in multiplayer Matchmaking while you're jet-packing.
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450 cR
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October 18, 2010
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More than a Handful
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Kill 77 enemies in multiplayer Matchmaking.
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750 cR
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October 17, 2010
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Pass the Rock
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Earn 20 assists today in multiplayer Matchmaking.
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1000 cR
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October 17, 2010
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Mostly at Night
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Complete Nightfall on Legendary without dying.
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4000 cR
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October 17, 2010
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Textbook001
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Kill 25 enemies with Sniper Rifle headshots in Nightfall on Normal.
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700 cR
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October 17, 2010
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Blastin' and Relaxin'
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Kill 50 enemies in any game mode in Reach.
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500 cR
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October 16, 2010
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Supporting Role
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Earn 20 assists in Firefight Matchmaking.
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400 cR
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October 16, 2010
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Office of Not Dying
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Complete ONI on Legendary without dying.
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4000 cR
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October 16, 2010
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Heroic Demon
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Kill 50 Elites in Firefight Matchmaking on Heroic or harder.
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2500 cR
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October 16, 2010
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Shootin' and Lootin'
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Kill 400 enemies in any game mode in Reach.
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4000 cR
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October 15, 2010
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A Great Friend
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Earn 15 assists today in multiplayer Matchmaking.
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900 cR
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October 15, 2010
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No 'I' in Team
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Earn 6 assists in a multiplayer Matchmaking game.
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360 cR
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October 15, 2010
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Up Close and Personal
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Kill 5 enemies with close quarters combat in a multiplayer Matchmaking game.
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250 cR
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October 15, 2010
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More than a Handful
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Kill 77 enemies in multiplayer Matchmaking.
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750 cR
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October 14, 2010
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One Spartan Army
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Kill 250 enemies in Firefight Matchmaking.
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2500 cR
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October 14, 2010
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Hyper Lethal Vector
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Kill 100 enemies with headshots in Firefight Matchmaking.
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2000 cR
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October 14, 2010
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Blast Radius
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Kill 30 enemies in Firefight Matchmaking with grenades.
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600 cR
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October 14, 2010
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Fire When Ready
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Kill 30 enemies in multiplayer Matchmaking
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300 cR
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October 13, 2010
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Just a Shower
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Complete any Campaign mission on Normal or harder with Thunderstorm on.
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2000 cR
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October 13, 2010
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Heroic Demon
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Kill 20 Elites in Firefight Matchmaking on Heroic or harder.
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2000 cR
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October 13, 2010
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Headshot Honcho
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Kill 11 enemies with headshots in a multiplayer Matchmaking game.
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1100 cR
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October 13, 2010
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Shootin' and Lootin'
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Kill 150 enemies in any game mode in Reach.
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1500 cR
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October 12, 2010
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Return of the Mack
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Kill 50 Elites in Campaign today on Normal or harder.
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3000 cR
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October 12, 2010
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Above the Law
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Complete a Round in Firefight Matchmaking without dying.
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500 cR
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October 12, 2010
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Home Field Advantage
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Win 7 games in multiplayer Matchmaking.
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1400 cR
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October 12, 2010
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More than a Handful
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Kill 77 enemies in multiplayer Matchmaking.
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750 cR
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October 11, 2010
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One Spartan Army
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Kill 100 enemies in Firefight Matchmaking.
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1000 cR
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October 11, 2010
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Roast 'em, Toast 'em
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Kill 10 enemies while jet-packing in Exodus on Normal.
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600 cR
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October 11, 2010
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The T.G. Opposition
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Kill 40 enemies in Firefight Matchmaking with the Shotgun.
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600 cR
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October 11, 2010
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Where There's Smoke...
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Kill 50 enemies in Firefight Matchmaking.
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500 cR
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October 10, 2010
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Fire When Ready
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Kill 50 enemies in multiplayer Matchmaking
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500 cR
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October 10, 2010
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It was the Winter...
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Complete Winter Contingency on Legendary without dying.
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3000 cR
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October 10, 2010
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There Are Many Like...
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Kill 50 enemies with precision weapons in the Campaign today.
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500 cR
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October 10, 2010
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Shootin' and Lootin'
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Kill 400 enemies in any game mode in Reach.
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4000 cR
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October 9, 2010
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A Great Friend
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Earn 15 assists today in multiplayer Matchmaking.
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900 cR
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October 9, 2010
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Three Dog Fight
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Earn a Triple Kill in Multiplayer Matchmaking.
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750 cR
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October 9, 2010
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Came From Behind
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Perform 2 Assassinations in a multiplayer Matchmaking game.
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750 cR
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October 9, 2010
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Gunslinger
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Kill 150 enemies in multiplayer Matchmaking.
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1500 cR
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October 8, 2010
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A Great Friend
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Earn 40 assists today in multiplayer Matchmaking.
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1500 cR
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October 8, 2010
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Tough Luck... On
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Complete a Campaign mission on Heroic or harder with the Tough Luck Skull on.
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1000 cR
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October 8, 2010
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Freelancing
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Earn at least 23 kills in a multiplayer Matchmaking game.
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1700 cR
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October 8, 2010
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Shootin' and Lootin'
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Kill 250 enemies in any game mode in Reach.
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2500 cR
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October 7, 2010
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One Spartan Army
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Kill 150 enemies in Firefight Matchmaking.
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1500 cR
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October 7, 2010
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Heroic Overwatch
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Kill 50 enemies on Overlook on Heroic in Firefight Matchmaking.
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600 cR
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October 7, 2010
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Points, Points
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Score 10,000 points in a Firefight Matchmaking game.
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1000 cR
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October 7, 2010
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A Great Friend
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Earn 30 assists today in multiplayer Matchmaking.
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2000 cR
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October 6, 2010
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Blastin' and Relaxin'
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Kill 180 enemies in any game mode in Reach.
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2000 cR
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October 6, 2010
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Be Vigilant
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Score 10,000 points in any Campaign mission without dying.
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1200 cR
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October 6, 2010
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Now I have a Machine Gun
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Earn 30 kills with automatic weapons in multiplayer Matchmaking.
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800 cR
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October 6, 2010
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Shootin' and Lootin'
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Kill 150 enemies in any game mode in Reach.
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1500 cR
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October 5, 2010
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Gunslinger
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Kill 40 enemies in multiplayer Matchmaking.
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400 cR
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October 5, 2010
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Iron With Friends
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Complete a Campaign mission co-op on Heroic or harder with the Iron Skull on.
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750 cR
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October 5, 2010
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There Are Many Like...
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Kill 100 enemies with precision weapons in the Campaign today.
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1000 cR
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October 5, 2010
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One Spartan Army
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Kill 150 enemies in Firefight Matchmaking.
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1500 cR
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October 4, 2010
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Support Structure
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Earn 30 assists in Firefight Matchmaking.
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600 cR
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October 4, 2010
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Flat Tire
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Kill 3 enemy vehicles in Firefight Matchmaking.
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300 cR
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October 4, 2010
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Participation Counts
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Complete 3 games in multiplayer Matchmaking.
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300 cR
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October 4, 2010
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Gunslinger
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Kill 100 enemies in multiplayer Matchmaking.
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1000 cR
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October 3, 2010
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Covenant-cide
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Kill 60 enemies in Firefight Matchmaking.
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500 cR
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October 3, 2010
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Mythic Evasion
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Complete a Campaign mission on Heroic or harder with Tough Luck and Mythic on.
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750 cR
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October 3, 2010
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Katanarama
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Kill 5 enemies using the Energy Sword in Firefight Matchmaking.
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1200 cR
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October 3, 2010
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Shootin' and Lootin'
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Kill 250 enemies in any game mode in Reach.
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2500 cR
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October 2, 2010
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One Spartan Army
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Kill 100 enemies in Firefight Matchmaking.
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1000 cR
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October 2, 2010
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Storm's Comin'
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Complete a Campaign mission on Heroic or harder with Mythic and Thunderstorm on.
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750 cR
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October 2, 2010
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Cook 'em, Clean 'em!
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Kill 5 enemies in multiplayer Matchmaking while you're jet-packing.
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700 cR
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October 2, 2010
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Gunslinger
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Kill 75 enemies in multiplayer Matchmaking.
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750 cR
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October 1, 2010
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A Great Friend
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Earn 30 assists today in multiplayer Matchmaking.
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1200 cR
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October 1, 2010
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Double Nickels
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Earn 2 Killing Sprees in a multiplayer Matchmaking game.
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1000 cR
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October 1, 2010
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The Love of the Game
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Complete 17 games in multiplayer Matchmaking.
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2500 cR
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October 1, 2010
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