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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 1500 enemies in multiplayer Matchmaking this week.
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17500 cR
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February 28-March 6, 2011
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ONI: LASO
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Complete ONI, Legendary, All Skulls On (LASO).
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11000 cR
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February 21–27, 2011
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Ride the Wave
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Complete 200 Waves in Firefight Matchmaking.
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15000 cR
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February 14–20, 2011
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Camp Froman, Indeed
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Earn 500 kills with Precision weapons in multiplayer Matchmaking.
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11000 cR
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February 7–13, 2011
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That's Dedication, Holmes
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Complete 77 games in multiplayer Matchmaking this week.
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11000 cR
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January 31-February 6, 2011
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| Daily Challenges
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More than a Handful
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Kill 125 enemies in multiplayer Matchmaking.
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2500 cR
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February 28, 2011
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One Spartan Army
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Kill 150 enemies in Firefight Matchmaking.
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1125 cR
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February 28, 2011
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Headshot Honcho
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Kill 9 enemies with headshots in a multiplayer Matchmaking game.
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1080 cR
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February 28, 2011
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Five-time Champ
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Win 5 games in multiplayer Matchmaking.
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1750 cR
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February 28, 2011
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Light Fare
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Kill 100 enemies in any game mode in Reach.
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1000 cR
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February 27, 2011
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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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1700 cR
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February 27, 2011
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That Pink Mist
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Kill 200 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking.
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1500 cR
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February 27, 2011
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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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1000 cR
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February 27, 2011
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Shootin' and Lootin'
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Kill 400 enemies in any game mode in Reach.
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2000 cR
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February 26, 2011
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Secondary Fire
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Earn 25 assists today in multiplayer Matchmaking.
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1875 cR
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February 26, 2011
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This is My Rifle...
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Earn 77 kills with precision weapons in multiplayer Matchmaking.
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1400 cR
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February 26, 2011
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The Magic Number
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Complete 7 games in multiplayer Matchmaking.
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1350 cR
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February 26, 2011
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More than a Handful
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Kill 77 enemies in multiplayer Matchmaking.
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2310 cR
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February 25, 2011
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Sticky Icky Icky
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Earn 3 sticky grenade Kills in a multiplayer Matchmaking game.
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1250 cR
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February 25, 2011
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Now I have a Machine Gun
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Earn 100 kills with automatic weapons in multiplayer Matchmaking.
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1500 cR
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February 25, 2011
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Vengeance Found
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Earn your 'Revenge' in a multiplayer Matchmaking game.
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1000 cR
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February 25, 2011
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Covenant-cide
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Kill 120 enemies in Firefight Matchmaking.
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1100 cR
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February 24, 2011
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Just Holdout
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Kill 150 enemies on Holdout in Firefight Matchmaking.
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1125 cR
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February 24, 2011
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...And Recreation
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Kill 100 enemies on Beachhead on Heroic in Firefight Matchmaking.
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1000 cR
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February 24, 2011
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Hyper Lethal Vector
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Kill 100 enemies with headshots in Firefight Matchmaking.
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1000 cR
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February 24, 2011
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More than a Handful
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Kill 25 enemies in multiplayer Matchmaking.
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1000 cR
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February 23, 2011
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Blast Radius
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Kill 75 enemies in Firefight Matchmaking with grenades.
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1250 cR
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February 23, 2011
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The Little Guys
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Kill 75 Grunts in Campaign today on Normal or harder.
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1000 cR
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February 23, 2011
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The Love of the Game
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Complete 20 games in multiplayer Matchmaking.
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2000 cR
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February 23, 2011
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Light Fare
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Kill 100 enemies in any game mode in Reach.
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1000 cR
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February 22, 2011
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Just Hold On...
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Complete 6 Rounds in Firefight Matchmaking without dying.
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1500 cR
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February 22, 2011
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Points Pyramid
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Score 25,000 points on any Campaign mission.
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1500 cR
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February 22, 2011
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Freelancing
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Earn at least 21 kills in a multiplayer Matchmaking game.
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2100 cR
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February 22, 2011
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Covenant-cide
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Kill 120 enemies in Firefight Matchmaking.
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1100 cR
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February 21, 2011
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A Friend in Need
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Earn 10 assists in Firefight Matchmaking.
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1000 cR
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February 21, 2011
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Short, Controlled Bursts
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Kill 100 enemies with automatic weapons in the Campaign today.
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1000 cR
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February 21, 2011
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A Solid Outing
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Earn at least 12 kills in a multiplayer Matchmaking game.
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1300 cR
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February 21, 2011
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One Spartan Army
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Kill 150 enemies in Firefight Matchmaking.
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1125 cR
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February 20, 2011
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Killagruntjaro!
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Earn 25 multikills in a Firefight Matchmaking game.
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1500 cR
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February 20, 2011
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A Simple Spree
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Earn any spree in Firefight Matchmaking.
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1000 cR
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February 20, 2011
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Killing Spree
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Earn a Killing Spree in multiplayer Matchmaking.
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1000 cR
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February 20, 2011
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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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February 19, 2011
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Now I have a Machine Gun
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Earn 20 kills with automatic weapons in multiplayer Matchmaking.
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1000 cR
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February 19, 2011
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Explosive Ordnance Distribution
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Earn 3 kills with ordnance weapons in a multiplayer Matchmaking game.
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1000 cR
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February 19, 2011
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Who's the Big Winner?
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Win 15 games in multiplayer Matchmaking.
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3000 cR
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February 19, 2011
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Fire When Ready
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Kill 50 enemies in multiplayer Matchmaking
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1500 cR
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February 18, 2011
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Sweep the Leg
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Perform an Assassination in a multiplayer Matchmaking game.
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1000 cR
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February 18, 2011
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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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2000 cR
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February 18, 2011
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Up Close and Personal
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Kill 8 enemies with close quarters combat in a multiplayer Matchmaking game.
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1600 cR
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February 18, 2011
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Blastin' and Relaxin'
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Kill 180 enemies in any game mode in Reach.
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1350 cR
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February 17, 2011
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That Pink Mist
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Kill 100 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking.
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1250 cR
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February 17, 2011
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Flat Tire
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Kill 10 enemy vehicles in Firefight Matchmaking.
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1125 cR
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February 17, 2011
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Killagruntjaro!
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Earn 25 multikills in a Firefight Matchmaking game.
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1500 cR
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February 17, 2011
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Light Fare
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Kill 100 enemies in any game mode in Reach.
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1000 cR
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February 16, 2011
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A Simple Spree
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Earn any spree in Firefight Matchmaking.
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1000 cR
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February 16, 2011
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A Side of Huevos
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Kill 60 enemies with Sniper Rifle headshots in Nightfall on Normal.
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1500 cR
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February 16, 2011
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Multiplier
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Earn 2 multikills in a multiplayer Matchmaking game.
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1000 cR
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February 16, 2011
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Blastin' and Relaxin'
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Kill 180 enemies in any game mode in Reach.
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1350 cR
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February 15, 2011
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Demon
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Kill 30 Elites in Firefight Matchmaking.
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1200 cR
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February 15, 2011
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Cannon Fodder
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Kill 75 infantry-class foes in the Campaign today.
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1100 cR
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February 15, 2011
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Cook 'em, Clean 'em!
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Kill 20 enemies in multiplayer Matchmaking while you're jet-packing.
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2400 cR
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February 15, 2011
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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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February 14, 2011
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That Pink Mist
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Kill 70 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking.
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1000 cR
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February 14, 2011
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You Want This, Don't You?
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Earn 12 kills with precision weapons in a multiplayer Matchmaking game.
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1500 cR
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February 14, 2011
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Vengeance Found
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Earn your 'Revenge' in a multiplayer Matchmaking game.
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1150 cR
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February 14, 2011
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J.H. Death Machine
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Kill 70 enemies in Firefight Matchmaking with the Grenade Launcher.
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2000 cR
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February 13, 2011
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...And Recreation
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Kill 100 enemies on Beachhead on Heroic in Firefight Matchmaking.
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1000 cR
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February 13, 2011
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Came From Behind
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Perform 3 Assassinations in a multiplayer Matchmaking game.
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1500 cR
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February 13, 2011
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Close Talking
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Earn 40 kills with close quarters combat in multiplayer Matchmaking.
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1600 cR
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February 13, 2011
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It was the Winter...
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Complete Winter Contingency on Legendary without dying.
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5000 cR
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February 12, 2011
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Home Field Advantage
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Win 7 games in multiplayer Matchmaking.
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2500 cR
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February 12, 2011
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This is My Rifle...
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Earn 100 kills with precision weapons in multiplayer Matchmaking.
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1500 cR
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February 12, 2011
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Cook 'em, Clean 'em!
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Kill 20 enemies in multiplayer Matchmaking while you're jet-packing.
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2400 cR
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February 12, 2011
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Helping Hand
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Earn 10 assists today in multiplayer Matchmaking.
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1600 cR
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February 11, 2011
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Multiplier
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Earn 5 multikills in a multiplayer Matchmaking game.
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1200 cR
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February 11, 2011
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A Solid Outing
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Earn at least 15 kills in a multiplayer Matchmaking game.
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3000 cR
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February 11, 2011
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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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February 11, 2011
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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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February 10, 2011
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Killagruntjaro!
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Earn 35 multikills in a Firefight Matchmaking game.
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3500 cR
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February 10, 2011
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The T.G. Opposition
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Kill 20 enemies in Firefight Matchmaking with the Shotgun.
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1300 cR
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February 10, 2011
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Flat Tire
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Kill 10 enemy vehicles in Firefight Matchmaking.
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1500 cR
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February 10, 2011
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Gunslinger
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Kill 100 enemies in multiplayer Matchmaking.
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2500 cR
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February 9, 2011
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House of Pain
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Complete a Campaign mission on Heroic with Mythic, Tilt, and Thunderstorm on.
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2500 cR
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February 9, 2011
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Survivor
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Earn 9 Sprees in a Firefight Matchmaking game.
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1500 cR
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February 9, 2011
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Above the Neckline
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Kill 7 enemies with headshots in a multiplayer Matchmaking game.
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1000 cR
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February 9, 2011
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Fire When Ready
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Kill 30 enemies in multiplayer Matchmaking
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1000 cR
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February 8, 2011
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A Great Friend
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Earn 15 assists today in multiplayer Matchmaking.
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2000 cR
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February 8, 2011
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Throwing Fireballs
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Kill 7 enemies with grenades in a multiplayer Matchmaking game.
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1200 cR
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February 8, 2011
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Put Your Quarter Up
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Complete 10 games in multiplayer Matchmaking.
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2000 cR
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February 8, 2011
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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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February 7, 2011
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A Satisfied Thirst
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Kill 100 Grunts in Firefight Matchmaking.
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1000 cR
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February 7, 2011
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Triple Thrill
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Earn any 3 Sprees in a multiplayer Matchmaking game.
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2000 cR
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February 7, 2011
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Not as Clusmy or Random...
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Earn 5 kills with precision weapons in a multiplayer Matchmaking game.
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1000 cR
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February 7, 2011
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Fire When Ready
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Kill 50 enemies in multiplayer Matchmaking
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1500 cR
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February 6, 2011
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Leadership Element
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Kill 30 enemy leaders in the Campaign today.
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1200 cR
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February 6, 2011
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Blast Radius
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Kill 20 enemies in Firefight Matchmaking with grenades.
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1400 cR
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February 6, 2011
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Streaky Shooter
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Earn 5 sprees in multiplayer Matchmaking.
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1500 cR
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February 6, 2011
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Fortified Court
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Kill 1000 enemies on Courtyard in Firefight Matchmaking.
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3500 cR
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February 5, 2011
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Three Dog Fight
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Earn a Triple Kill in Multiplayer Matchmaking.
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1000 cR
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February 5, 2011
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Showtime
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Earn 5 assists in a multiplayer Matchmaking game.
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1000 cR
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February 5, 2011
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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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1000 cR
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February 5, 2011
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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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2750 cR
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February 4, 2011
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Headshot Honcho
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Kill 9 enemies with headshots in a multiplayer Matchmaking game.
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1700 cR
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February 4, 2011
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Sticky Icky Icky
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Earn 5 sticky grenade Kills in a multiplayer Matchmaking game.
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1625 cR
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February 4, 2011
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Who's the Big Winner?
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Win 10 games in multiplayer Matchmaking.
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2000 cR
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February 4, 2011
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Heroic Killagruntjaro!
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Earn 10 multikills in a Firefight Matchmaking game on Heroic or harder.
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1000 cR
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February 3, 2011
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That Pink Mist
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Kill 20 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking.
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1650 cR
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February 3, 2011
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Heroic Holdout
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Kill 100 enemies on Holdout on Heroic in Firefight Matchmaking.
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2000 cR
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February 3, 2011
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Flat Tire
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Kill 10 enemy vehicles in Firefight Matchmaking.
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1500 cR
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February 3, 2011
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Huck It, Luck It
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Complete a Campaign mission on Heroic with Cloud, Tough Luck, and Catch on.
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2500 cR
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February 2, 2011
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A Walk in the...
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Kill 100 enemies on Beachhead in Firefight Matchmaking.
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1500 cR
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February 2, 2011
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You Want This, Don't You?
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Earn 14 kills with precision weapons in a multiplayer Matchmaking game.
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1400 cR
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February 2, 2011
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Go Right Ahead Folks
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Earn a First Strike in a multiplayer Matchmaking game.
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1250 cR
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February 2, 2011
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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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2500 cR
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February 1, 2011
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Hyper Lethal Vector
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Kill 200 enemies with headshots in Firefight Matchmaking.
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3500 cR
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February 1, 2011
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Un, Deux, Trois
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Win 3 games in multiplayer Matchmaking.
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1300 cR
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February 1, 2011
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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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1500 cR
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February 1, 2011
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