| 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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This Is How We Do It
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Complete 9 Campaign missions on Heroic.
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10000 cR
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December 27, 2010 – January 2, 2011
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Ride the Wave
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Complete 100 Waves in Firefight Matchmaking.
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4000 cR
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December 20–26, 2010
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Multiplicative
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Earn 200 Multikills in multiplayer Matchmaking this week.
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5000 cR
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December 13–19, 2010
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Not in the Face
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Complete any Campaign mission on Heroic in 30 minutes with Black Eye on.
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4000 cR
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December 6–12, 2010
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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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7777 cR
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November 29-December 5, 2010
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| Daily Challenges
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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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December 31, 2010
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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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December 31, 2010
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Double Double
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Earn 2 Double Kills in the same match in Multiplayer Matchmaking.
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1350 cR
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December 31, 2010
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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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1600 cR
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December 31, 2010
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A Friend in Need
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Earn 5 assists in Firefight Matchmaking.
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1300 cR
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December 30, 2010
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A Satisfied Thirst
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Kill 250 Grunts in Firefight Matchmaking.
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1800 cR
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December 30, 2010
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Demon
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Kill 10 Elites in Firefight Matchmaking.
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1250 cR
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December 30, 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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December 30, 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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December 29, 2010
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Killagruntjaro!
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Earn 10 multikills in a Firefight Matchmaking game.
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1000 cR
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December 29, 2010
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Sticky Icky Icky
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Earn 4 sticky grenade Kills in a multiplayer Matchmaking game.
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1500 cR
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December 29, 2010
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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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December 29, 2010
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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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December 28, 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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December 28, 2010
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T-Hug It Out
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Kill 7 enemies with close quarters combat in a multiplayer Matchmaking game.
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1350 cR
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December 28, 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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3000 cR
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December 28, 2010
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More than a Handful
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Kill 77 enemies in multiplayer Matchmaking.
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1750 cR
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December 27, 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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December 27, 2010
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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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December 27, 2010
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Sweep the Leg
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Perform an Assassination in a multiplayer Matchmaking game.
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1100 cR
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December 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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December 26, 2010
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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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December 26, 2010
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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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December 26, 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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1750 cR
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December 26, 2010
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Where There's Smoke...
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Kill 50 enemies in Firefight Matchmaking.
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1000 cR
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December 25, 2010
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A Friend in Need
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Earn 5 assists in Firefight Matchmaking.
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1300 cR
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December 25, 2010
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Return of the Mack
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Kill 35 Elites in Campaign today on Normal or harder.
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1700 cR
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December 25, 2010
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Foggy Notion
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Complete a Campaign mission on Heroic with Cloud and Famine on.
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1400 cR
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December 25, 2010
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More than a Handful
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Kill 77 enemies in multiplayer Matchmaking.
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1750 cR
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December 24, 2010
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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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December 24, 2010
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Light Fuse, Run Away
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Kill 4 enemies with grenades in a multiplayer Matchmaking game.
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1000 cR
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December 24, 2010
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I Need Some Ammo
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Complete a Campaign mission on Heroic or harder with the Famine Skull on.
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2000 cR
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December 24, 2010
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Blastin' and Relaxin'
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Kill 500 enemies in any game mode in Reach.
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2500 cR
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December 23, 2010
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A Friend in Need
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Earn 10 assists in Firefight Matchmaking.
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2000 cR
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December 23, 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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December 23, 2010
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Blast Radius
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Kill 40 enemies in Firefight Matchmaking with grenades.
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1800 cR
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December 23, 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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December 22, 2010
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No 'I' in Team
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Earn 8 assists in a multiplayer Matchmaking game.
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1560 cR
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December 22, 2010
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Above the Neckline
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Kill 3 enemies with headshots in a multiplayer Matchmaking game.
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1000 cR
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December 22, 2010
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Cannon Fodder
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Kill 75 infantry-class foes in the Campaign today.
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1750 cR
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December 22, 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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December 21, 2010
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Stronger, Harder
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Complete a Campaign mission on Heroic with Famine, Tough Luck, and Thunderstorm on.
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2750 cR
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December 21, 2010
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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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December 21, 2010
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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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December 21, 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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December 20, 2010
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Gunslinger
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Kill 40 enemies in multiplayer Matchmaking.
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1000 cR
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December 20, 2010
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Demon
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Kill 20 Elites in Firefight Matchmaking.
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2500 cR
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December 20, 2010
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Home Field Advantage
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Win 4 games in multiplayer Matchmaking.
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1800 cR
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December 20, 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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December 19, 2010
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A Friend in Need
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Earn 10 assists in Firefight Matchmaking.
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2000 cR
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December 19, 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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December 19, 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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1200 cR
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December 19, 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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December 18, 2010
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Demon
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Kill 40 Elites in Firefight Matchmaking.
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1200 cR
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December 18, 2010
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Fourth Horseman
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Earn 4 multikills in a multiplayer Matchmaking game.
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1900 cR
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December 18, 2010
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Stronger, Harder
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Complete a Campaign mission on Heroic with Famine, Tough Luck, and Thunderstorm on.
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2750 cR
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December 18, 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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December 17, 2010
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Secondary Fire
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Earn 25 assists today in multiplayer Matchmaking.
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4000 cR
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December 17, 2010
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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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2500 cR
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December 17, 2010
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Mostly at Night
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Complete Nightfall on Legendary without dying.
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5000 cR
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December 17, 2010
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Gunslinger
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Kill 75 enemies in multiplayer Matchmaking.
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1250 cR
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December 16, 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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December 16, 2010
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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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December 16, 2010
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That Pink Mist
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Kill 40 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking.
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2000 cR
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December 16, 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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December 15, 2010
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Pass the Rock
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Earn 20 assists today in multiplayer Matchmaking.
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2500 cR
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December 15, 2010
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Weapon Swap
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Earn 10 sprees in a Firefight Matchmaking game on Heroic or harder.
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1000 cR
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December 15, 2010
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Killing Spree
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Earn a Killing Spree in multiplayer Matchmaking.
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1500 cR
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December 15, 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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December 14, 2010
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Gunslinger
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Kill 40 enemies in multiplayer Matchmaking.
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1000 cR
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December 14, 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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December 14, 2010
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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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December 14, 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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December 13, 2010
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Secondary Fire
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Earn 25 assists today in multiplayer Matchmaking.
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4000 cR
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December 13, 2010
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Watersports
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Kill 50 enemies on Waterfront on Heroic in Firefight Matchmaking.
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600 cR
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December 13, 2010
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Twin Trips
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Earn 2 Triple Kills in the same match in multiplayer Matchmaking.
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500 cR
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December 13, 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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December 12, 2010
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Secondary Fire
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Earn 25 assists today in multiplayer Matchmaking.
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4000 cR
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December 12, 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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1750 cR
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December 12, 2010
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Above the Neckline
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Kill 5 enemies with headshots in a multiplayer Matchmaking game.
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1250 cR
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December 12, 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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December 11, 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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December 11, 2010
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Mostly at Night
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Complete Nightfall on Legendary without dying.
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5000 cR
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December 11, 2010
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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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December 11, 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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December 10, 2010
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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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December 10, 2010
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Inclement Weather
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Complete a Campaign mission on Heroic or harder with the Thunderstorm Skull on.
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1500 cR
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December 10, 2010
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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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December 10, 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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December 9, 2010
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Supporting Role
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Earn 20 assists in Firefight Matchmaking.
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1100 cR
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December 9, 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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December 9, 2010
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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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December 9, 2010
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Gunslinger
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Kill 75 enemies in multiplayer Matchmaking.
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1250 cR
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December 8, 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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December 8, 2010
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Double Double
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Earn 2 Double Kills in the same match in Multiplayer Matchmaking.
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1350 cR
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December 8, 2010
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Oops! All Kills
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Earn 25 Multikills in multiplayer Matchmaking.
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1200 cR
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December 8, 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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December 7, 2010
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A Great Friend
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Earn 15 assists today in multiplayer Matchmaking.
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1400 cR
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December 7, 2010
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Cannon Fodder
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Kill 50 infantry-class foes in the Campaign today.
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1000 cR
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December 7, 2010
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Heroic Demon
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Kill 30 Elites in Firefight Matchmaking on Heroic or harder.
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1500 cR
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December 7, 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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December 6, 2010
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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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December 6, 2010
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Roast 'em, Toast 'em
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Kill 35 enemies while jet-packing in Exodus on Normal.
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1500 cR
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December 6, 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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1750 cR
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December 6, 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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December 5, 2010
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Now I have a Machine Gun
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Earn 77 kills with automatic weapons in multiplayer Matchmaking.
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1900 cR
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December 5, 2010
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... Got a Triple Double
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Earn 3 Double Kills in the same match in Multiplayer Matchmaking.
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1500 cR
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December 5, 2010
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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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December 5, 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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December 4, 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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December 4, 2010
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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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1000 cR
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December 4, 2010
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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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December 4, 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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December 3, 2010
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Single Wield
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Earn 30 kills with small arms weapons in multiplayer Matchmaking.
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1250 cR
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December 3, 2010
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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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December 3, 2010
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Five-time Champ
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Win 5 games in multiplayer Matchmaking.
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2750 cR
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December 3, 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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3000 cR
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December 2, 2010
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Neuroscience
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Kill 10 enemies with headshots in a multiplayer Matchmaking game.
|
1200 cR
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December 2, 2010
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Light Fuse, Run Away
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Kill 4 enemies with grenades in a multiplayer Matchmaking game.
|
1000 cR
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December 2, 2010
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Credits for Completion
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Complete 5 games in multiplayer Matchmaking.
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1500 cR
|
December 2, 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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December 1, 2010
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Secondary Fire
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Earn 25 assists today in multiplayer Matchmaking.
|
1000 cR
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December 1, 2010
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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
|
December 1, 2010
|
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Credits for Completion
|
Complete 4 games in multiplayer Matchmaking.
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1500 cR
|
December 1, 2010
|
