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==Challenges== {|align="center" cellpadding="3" border="1" |-align="center" !Icon !Name !Requirement !Credit Reward !Date |-align="center" !colspan="5"|Weekly Challenges |-align="center" |[[File:Bnet-challenge-icon1.png|40px]] |'''This Is How We Do It''' |style="text-align:left"|Complete 9 Campaign missions on Heroic. |10000 cR |December 27, 2010 – January 2, 2011 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon1.png|40px]] |'''Ride the Wave''' |style="text-align:left"|Complete 100 Waves in Firefight Matchmaking. |4000 cR |December 20–26, 2010 |-align="center" |[[File:Bnet-challenge-icon1.png|40px]] |'''Multiplicative''' |style="text-align:left"|Earn 200 Multikills in multiplayer Matchmaking this week. |5000 cR |December 13–19, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon1.png|40px]] |'''Not in the Face''' |style="text-align:left"|Complete any Campaign mission on Heroic in 30 minutes with Black Eye on. |4000 cR |December 6–12, 2010 |-align="center" |[[File:Bnet-challenge-icon1.png|40px]] |'''All in a Week's Work''' |style="text-align:left"|Kill 1000 enemies in multiplayer Matchmaking this week. |7777 cR |November 29-December 5, 2010 |-align="center" !colspan="5"|Daily Challenges |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Gunslinger''' |style="text-align:left"|Kill 150 enemies in multiplayer Matchmaking. |1500 cR |December 31, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Great Friend''' |style="text-align:left"|Earn 15 assists today in multiplayer Matchmaking. |2000 cR |December 31, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Double Double''' |style="text-align:left"|Earn 2 Double Kills in the same match in Multiplayer Matchmaking. |1350 cR |December 31, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''A Solid Outing''' |style="text-align:left"|Earn at least 12 kills in a multiplayer Matchmaking game. |1600 cR |December 31, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Friend in Need''' |style="text-align:left"|Earn 5 assists in Firefight Matchmaking. |1300 cR |December 30, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon3.png|40px]] |'''A Satisfied Thirst''' |style="text-align:left"|Kill 250 Grunts in Firefight Matchmaking. |1800 cR |December 30, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon3.png|40px]] |'''Demon''' |style="text-align:left"|Kill 10 Elites in Firefight Matchmaking. |1250 cR |December 30, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon3.png|40px]] |'''Hyper Lethal Vector''' |style="text-align:left"|Kill 100 enemies with headshots in Firefight Matchmaking. |2000 cR |December 30, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 150 enemies in any game mode in Reach. |1500 cR |December 29, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Killagruntjaro!''' |style="text-align:left"|Earn 10 multikills in a Firefight Matchmaking game. |1000 cR |December 29, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Sticky Icky Icky''' |style="text-align:left"|Earn 4 sticky grenade Kills in a multiplayer Matchmaking game. |1500 cR |December 29, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Vengeance Found''' |style="text-align:left"|Earn your 'Revenge' in a multiplayer Matchmaking game. |1150 cR |December 29, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Fire When Ready''' |style="text-align:left"|Kill 30 enemies in multiplayer Matchmaking |1000 cR |December 28, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''One Spartan Army''' |style="text-align:left"|Kill 150 enemies in Firefight Matchmaking. |1500 cR |December 28, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''T-Hug It Out''' |style="text-align:left"|Kill 7 enemies with close quarters combat in a multiplayer Matchmaking game. |1350 cR |December 28, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Aggressive Negotiations''' |style="text-align:left"|Earn at least 17 kills in a multiplayer Matchmaking game. |3000 cR |December 28, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''More than a Handful''' |style="text-align:left"|Kill 77 enemies in multiplayer Matchmaking. |1750 cR |December 27, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''One Spartan Army''' |style="text-align:left"|Kill 100 enemies in Firefight Matchmaking. |1000 cR |December 27, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Heroic Killagruntjaro!''' |style="text-align:left"|Earn 10 multikills in a Firefight Matchmaking game on Heroic or harder. |1000 cR |December 27, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Sweep the Leg''' |style="text-align:left"|Perform an Assassination in a multiplayer Matchmaking game. |1100 cR |December 27, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 150 enemies in any game mode in Reach. |1500 cR |December 26, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Great Friend''' |style="text-align:left"|Earn 15 assists today in multiplayer Matchmaking. |2000 cR |December 26, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Headshot Honcho''' |style="text-align:left"|Kill 9 enemies with headshots in a multiplayer Matchmaking game. |1700 cR |December 26, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Iron With Friends''' |style="text-align:left"|Complete a Campaign mission co-op on Heroic or harder with the Iron Skull on. |1750 cR |December 26, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Where There's Smoke...''' |style="text-align:left"|Kill 50 enemies in Firefight Matchmaking. |1000 cR |December 25, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Friend in Need''' |style="text-align:left"|Earn 5 assists in Firefight Matchmaking. |1300 cR |December 25, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''Return of the Mack''' |style="text-align:left"|Kill 35 Elites in Campaign today on Normal or harder. |1700 cR |December 25, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''Foggy Notion''' |style="text-align:left"|Complete a Campaign mission on Heroic with Cloud and Famine on. |1400 cR |December 25, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''More than a Handful''' |style="text-align:left"|Kill 77 enemies in multiplayer Matchmaking. |1750 cR |December 24, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Great Friend''' |style="text-align:left"|Earn 15 assists today in multiplayer Matchmaking. |2000 cR |December 24, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Light Fuse, Run Away''' |style="text-align:left"|Kill 4 enemies with grenades in a multiplayer Matchmaking game. |1000 cR |December 24, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''I Need Some Ammo''' |style="text-align:left"|Complete a Campaign mission on Heroic or harder with the Famine Skull on. |2000 cR |December 24, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Blastin' and Relaxin'''' |style="text-align:left"|Kill 500 enemies in any game mode in Reach. |2500 cR |December 23, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Friend in Need''' |style="text-align:left"|Earn 10 assists in Firefight Matchmaking. |2000 cR |December 23, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Heroic Demon''' |style="text-align:left"|Kill 20 Elites in Firefight Matchmaking on Heroic or harder. |2000 cR |December 23, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Blast Radius''' |style="text-align:left"|Kill 40 enemies in Firefight Matchmaking with grenades. |1800 cR |December 23, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''One Spartan Army''' |style="text-align:left"|Kill 150 enemies in Firefight Matchmaking. |1500 cR |December 22, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''No 'I' in Team''' |style="text-align:left"|Earn 8 assists in a multiplayer Matchmaking game. |1560 cR |December 22, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Above the Neckline''' |style="text-align:left"|Kill 3 enemies with headshots in a multiplayer Matchmaking game. |1000 cR |December 22, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Cannon Fodder''' |style="text-align:left"|Kill 75 infantry-class foes in the Campaign today. |1750 cR |December 22, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 250 enemies in any game mode in Reach. |2500 cR |December 21, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''Stronger, Harder''' |style="text-align:left"|Complete a Campaign mission on Heroic with Famine, Tough Luck, and Thunderstorm on. |2750 cR |December 21, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Fortified Court''' |style="text-align:left"|Kill 1000 enemies on Courtyard in Firefight Matchmaking. |3500 cR |December 21, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Go Right Ahead Folks''' |style="text-align:left"|Earn a First Strike in a multiplayer Matchmaking game. |1250 cR |December 21, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Blastin' and Relaxin'''' |style="text-align:left"|Kill 180 enemies in any game mode in Reach. |2000 cR |December 20, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Gunslinger''' |style="text-align:left"|Kill 40 enemies in multiplayer Matchmaking. |1000 cR |December 20, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon3.png|40px]] |'''Demon''' |style="text-align:left"|Kill 20 Elites in Firefight Matchmaking. |2500 cR |December 20, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Home Field Advantage''' |style="text-align:left"|Win 4 games in multiplayer Matchmaking. |1800 cR |December 20, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''One Spartan Army''' |style="text-align:left"|Kill 250 enemies in Firefight Matchmaking. |2500 cR |December 19, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Friend in Need''' |style="text-align:left"|Earn 10 assists in Firefight Matchmaking. |2000 cR |December 19, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''There Are Many Like...''' |style="text-align:left"|Kill 100 enemies with precision weapons in the Campaign today. |1000 cR |December 19, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''Roast 'em, Toast 'em''' |style="text-align:left"|Kill 10 enemies while jet-packing in Exodus on Normal. |1200 cR |December 19, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Gunslinger''' |style="text-align:left"|Kill 100 enemies in multiplayer Matchmaking. |1000 cR |December 18, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon3.png|40px]] |'''Demon''' |style="text-align:left"|Kill 40 Elites in Firefight Matchmaking. |1200 cR |December 18, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Fourth Horseman''' |style="text-align:left"|Earn 4 multikills in a multiplayer Matchmaking game. |1900 cR |December 18, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Stronger, Harder''' |style="text-align:left"|Complete a Campaign mission on Heroic with Famine, Tough Luck, and Thunderstorm on. |2750 cR |December 18, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 150 enemies in any game mode in Reach. |1500 cR |December 17, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Secondary Fire''' |style="text-align:left"|Earn 25 assists today in multiplayer Matchmaking. |4000 cR |December 17, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Now I have a Machine Gun''' |style="text-align:left"|Earn 100 kills with automatic weapons in multiplayer Matchmaking. |2500 cR |December 17, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''Mostly at Night''' |style="text-align:left"|Complete Nightfall on Legendary without dying. |5000 cR |December 17, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Gunslinger''' |style="text-align:left"|Kill 75 enemies in multiplayer Matchmaking. |1250 cR |December 16, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Covenant-cide''' |style="text-align:left"|Kill 90 enemies in Firefight Matchmaking. |1000 cR |December 16, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon3.png|40px]] |'''Blast Radius''' |style="text-align:left"|Kill 20 enemies in Firefight Matchmaking with grenades. |1400 cR |December 16, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon3.png|40px]] |'''That Pink Mist''' |style="text-align:left"|Kill 40 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking. |2000 cR |December 16, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''More than a Handful''' |style="text-align:left"|Kill 125 enemies in multiplayer Matchmaking. |1250 cR |December 15, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Pass the Rock''' |style="text-align:left"|Earn 20 assists today in multiplayer Matchmaking. |2500 cR |December 15, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Weapon Swap''' |style="text-align:left"|Earn 10 sprees in a Firefight Matchmaking game on Heroic or harder. |1000 cR |December 15, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Killing Spree''' |style="text-align:left"|Earn a Killing Spree in multiplayer Matchmaking. |1500 cR |December 15, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 100 enemies in any game mode in Reach. |1000 cR |December 14, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Gunslinger''' |style="text-align:left"|Kill 40 enemies in multiplayer Matchmaking. |1000 cR |December 14, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Just a Shower''' |style="text-align:left"|Complete any Campaign mission on Normal or harder with Thunderstorm on. |2000 cR |December 14, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Who's the Big Winner?''' |style="text-align:left"|Win 10 games in multiplayer Matchmaking. |2000 cR |December 14, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 150 enemies in any game mode in Reach. |1500 cR |December 13, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Secondary Fire''' |style="text-align:left"|Earn 25 assists today in multiplayer Matchmaking. |4000 cR |December 13, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Watersports''' |style="text-align:left"|Kill 50 enemies on Waterfront on Heroic in Firefight Matchmaking. |600 cR |December 13, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Twin Trips''' |style="text-align:left"|Earn 2 Triple Kills in the same match in multiplayer Matchmaking. |500 cR |December 13, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''More than a Handful''' |style="text-align:left"|Kill 125 enemies in multiplayer Matchmaking. |1250 cR |December 12, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Secondary Fire''' |style="text-align:left"|Earn 25 assists today in multiplayer Matchmaking. |4000 cR |December 12, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Iron With Friends''' |style="text-align:left"|Complete a Campaign mission co-op on Heroic or harder with the Iron Skull on. |1750 cR |December 12, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Above the Neckline''' |style="text-align:left"|Kill 5 enemies with headshots in a multiplayer Matchmaking game. |1250 cR |December 12, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Blastin' and Relaxin'''' |style="text-align:left"|Kill 180 enemies in any game mode in Reach. |2000 cR |December 11, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Covenant-cide''' |style="text-align:left"|Kill 90 enemies in Firefight Matchmaking. |1000 cR |December 11, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''Mostly at Night''' |style="text-align:left"|Complete Nightfall on Legendary without dying. |5000 cR |December 11, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''That Pink Mist''' |style="text-align:left"|Kill 70 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking. |1000 cR |December 11, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 250 enemies in any game mode in Reach. |2500 cR |December 10, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Helping Hand''' |style="text-align:left"|Earn 10 assists today in multiplayer Matchmaking. |1600 cR |December 10, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Inclement Weather''' |style="text-align:left"|Complete a Campaign mission on Heroic or harder with the Thunderstorm Skull on. |1500 cR |December 10, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''A Solid Outing''' |style="text-align:left"|Earn at least 15 kills in a multiplayer Matchmaking game. |3000 cR |December 10, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''One Spartan Army''' |style="text-align:left"|Kill 400 enemies in Firefight Matchmaking. |2000 cR |December 9, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Supporting Role''' |style="text-align:left"|Earn 20 assists in Firefight Matchmaking. |1100 cR |December 9, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Points, Points''' |style="text-align:left"|Score 20,000 points in a Firefight Matchmaking game. |2500 cR |December 9, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''That Pink Mist''' |style="text-align:left"|Kill 20 enemies with a Supercombine from the Needler or Needle Rifle in Firefight Matchmaking. |1650 cR |December 9, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Gunslinger''' |style="text-align:left"|Kill 75 enemies in multiplayer Matchmaking. |1250 cR |December 8, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''One Spartan Army''' |style="text-align:left"|Kill 250 enemies in Firefight Matchmaking. |2500 cR |December 8, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Double Double''' |style="text-align:left"|Earn 2 Double Kills in the same match in Multiplayer Matchmaking. |1350 cR |December 8, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Oops! All Kills''' |style="text-align:left"|Earn 25 Multikills in multiplayer Matchmaking. |1200 cR |December 8, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Gunslinger''' |style="text-align:left"|Kill 150 enemies in multiplayer Matchmaking. |1500 cR |December 7, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Great Friend''' |style="text-align:left"|Earn 15 assists today in multiplayer Matchmaking. |1400 cR |December 7, 2010 |-align="center" |[[File:Bnet-challenge-icon2.png|40px]] |'''Cannon Fodder''' |style="text-align:left"|Kill 50 infantry-class foes in the Campaign today. |1000 cR |December 7, 2010 |-align="center" |[[File:Bnet-challenge-icon3.png|40px]] |'''Heroic Demon''' |style="text-align:left"|Kill 30 Elites in Firefight Matchmaking on Heroic or harder. |1500 cR |December 7, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Blastin' and Relaxin'''' |style="text-align:left"|Kill 90 enemies in any game mode in Reach. |1000 cR |December 6, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''A Friend in Need''' |style="text-align:left"|Earn 10 assists in Firefight Matchmaking. |1000 cR |December 6, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Roast 'em, Toast 'em''' |style="text-align:left"|Kill 35 enemies while jet-packing in Exodus on Normal. |1500 cR |December 6, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon2.png|40px]] |'''Iron With Friends''' |style="text-align:left"|Complete a Campaign mission co-op on Heroic or harder with the Iron Skull on. |1750 cR |December 6, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''More than a Handful''' |style="text-align:left"|Kill 125 enemies in multiplayer Matchmaking. |1250 cR |December 5, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Now I have a Machine Gun''' |style="text-align:left"|Earn 77 kills with automatic weapons in multiplayer Matchmaking. |1900 cR |December 5, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''... Got a Triple Double''' |style="text-align:left"|Earn 3 Double Kills in the same match in Multiplayer Matchmaking. |1500 cR |December 5, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Who's the Big Winner?''' |style="text-align:left"|Win 10 games in multiplayer Matchmaking. |2000 cR |December 5, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Blastin' and Relaxin'''' |style="text-align:left"|Kill 180 enemies in any game mode in Reach. |2000 cR |December 4, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''More than a Handful''' |style="text-align:left"|Kill 125 enemies in multiplayer Matchmaking. |1250 cR |December 4, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''You Want This, Don't You?''' |style="text-align:left"|Earn 12 kills with precision weapons in a multiplayer Matchmaking game. |1000 cR |December 4, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Home Field Advantage''' |style="text-align:left"|Win 7 games in multiplayer Matchmaking. |2500 cR |December 4, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''More than a Handful''' |style="text-align:left"|Kill 125 enemies in multiplayer Matchmaking. |1250 cR |December 3, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Single Wield''' |style="text-align:left"|Earn 30 kills with small arms weapons in multiplayer Matchmaking. |1250 cR |December 3, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Vengeance Found''' |style="text-align:left"|Earn your 'Revenge' in a multiplayer Matchmaking game. |1150 cR |December 3, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''Five-time Champ''' |style="text-align:left"|Win 5 games in multiplayer Matchmaking. |2750 cR |December 3, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon0.png|40px]] |'''Shootin' and Lootin'''' |style="text-align:left"|Kill 400 enemies in any game mode in Reach. |3000 cR |December 2, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Neuroscience''' |style="text-align:left"|Kill 10 enemies with headshots in a multiplayer Matchmaking game. |1200 cR |December 2, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Light Fuse, Run Away''' |style="text-align:left"|Kill 4 enemies with grenades in a multiplayer Matchmaking game. |1000 cR |December 2, 2010 |-align="center" style="background-color:#c1ecf2" |[[File:Bnet-challenge-icon4.png|40px]] |'''Credits for Completion''' |style="text-align:left"|Complete 5 games in multiplayer Matchmaking. |1500 cR |December 2, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Blastin' and Relaxin'''' |style="text-align:left"|Kill 90 enemies in any game mode in Reach. |1000 cR |December 1, 2010 |-align="center" |[[File:Bnet-challenge-icon0.png|40px]] |'''Secondary Fire''' |style="text-align:left"|Earn 25 assists today in multiplayer Matchmaking. |1000 cR |December 1, 2010 |-align="center" |[[File:Bnet-challenge-icon4.png|40px]] |'''