Kill 70 enemies with sniper rifle headshots in Nightfall on Heroic.
3000 cR
November 8-14, 2010
Multiplicative
Earn 45 Multikills in multiplayer Matchmaking this week.
2000 cR
November 1-7, 2010
Daily Challenges
Blastin' and Relaxin'
Kill 180 enemies in any game mode in Reach.
2000 cR
November 10, 2010
Where There's Smoke...
Kill 50 enemies in Firefight Matchmaking.
500 cR
November 10, 2010
Iron With Friends
Complete a Campaign mission co-op on Heroic or harder with the Iron Skull on.
750 cR
November 10, 2010
Linked Up with Bungie.net
Link your gamertag with Bungie.net and play a game in Halo: Reach Matchmaking.
3000 cR
November 10, 2010
Gunslinger
Kill 100 enemies in multiplayer Matchmaking.
1000 cR
November 9, 2010
Gunslinger
Kill 150 enemies in multiplayer Matchmaking.
1500 cR
November 9, 2010
There Are Many Like...
Kill 100 enemies with precision weapons in the Campaign today.
1000 cR
November 9, 2010
Blast Radius
Kill 30 enemies in Firefight Matchmaking with grenades.
600 cR
November 9, 2010
Shootin' and Lootin'
Kill 150 enemies in any game mode in Reach.
1500 cR
November 8, 2010
Covenant-cide
Kill 60 enemies in Firefight Matchmaking.
500 cR
November 8, 2010
Heroic Killagruntjaro!
Earn 35 multikills in a Firefight Matchmaking game on Heroic or harder.
3500 cR
November 8, 2010
Vengeance Found
Earn your 'Revenge' in a multiplayer Matchmaking game.
700 cR
November 8, 2010
Blastin' and Relaxin'
Kill 90 enemies in any game mode in Reach.
1000 cR
November 7, 2010
A Friend in Need
Earn 10 assists in Firefight Matchmaking.
1000 cR
November 7, 2010
Leadership Element
Kill 45 enemy leaders in the Campaign today.
1500 cR
November 7, 2010
Neuroscience
Kill 10 enemies with headshots in a multiplayer Matchmaking game.
1200 cR
November 7, 2010
Blastin' and Relaxin'
Kill 180 enemies in any game mode in Reach.
2000 cR
November 6, 2010
Gunslinger
Kill 100 enemies in multiplayer Matchmaking.
1000 cR
November 6, 2010
Points, Points
Score 20,000 points in a Firefight Matchmaking game.
2500 cR
November 6, 2010
... Got a Triple Double
Earn 3 Double Kills in the same match in Multiplayer Matchmaking.
500 cR
November 6, 2010
Shootin' and Lootin'
Kill 250 enemies in any game mode in Reach.
2500 cR
November 5, 2010
More than a Handful
Kill 125 enemies in multiplayer Matchmaking.
1250 cR
November 5, 2010
Mostly at Night
Complete Nightfall on Legendary without dying.
1250 cR
November 5, 2010
Suit Up!
Customize your Spartan's armor in the Armory.
777 cR
November 5, 2010
One Spartan Army
Kill 250 enemies in Firefight Matchmaking.
2500 cR
November 4, 2010
Supporting Role
Earn 20 assists in Firefight Matchmaking.
400 cR
November 4, 2010
Killagruntjaro!
Earn 35 multikills in a Firefight Matchmaking game.
3500 cR
November 4, 2010
Orbital Assists
Kill 15 enemies using the Target Designator in Firefight Matchmaking.
600 cR
November 4, 2010
Shootin' and Lootin'
Kill 150 enemies in any game mode in Reach.
1500 cR
November 3, 2010
Pass the Rock
Earn 20 assists today in multiplayer Matchmaking.
1000 cR
November 3, 2010
Roast 'em, Toast 'em
Kill 10 enemies while jet-packing in Exodus on Normal.
600 cR
November 3, 2010
J.H. Death Machine
Kill 10 enemies in Firefight Matchmaking with the Grenade Launcher.
400 cR
November 3, 2010
Fire When Ready
Kill 10 enemies in multiplayer Matchmaking
100 cR
November 2, 2010
Helping Hand
Earn 10 assists today in multiplayer Matchmaking.
200 cR
November 2, 2010
Points, Points
Score 20,000 points in a Firefight Matchmaking game.
2500 cR
November 2, 2010
Clip It. Share It.
Make a clip from your Local files and upload it to your File Share.
777 cR
November 2, 2010
Gunslinger
Kill 40 enemies in multiplayer Matchmaking.
400 cR
November 1, 2010
One Spartan Army
Kill 150 enemies in Firefight Matchmaking.
1500 cR
November 1, 2010
House of Pain
Complete a Campaign mission on Heroic with Mythic, Tilt, and Thunderstorm on.
1000 cR
November 1, 2010
Linked Up with Bungie.net
Link your gamertag with Bungie.net and play a game in Halo: Reach Matchmaking.
3000 cR
November 1, 2010
Trivia
'Pass the Rock' is a reference to a quote from Sergent Johnson during the opening cutscene of the Halo 2 level Metropolis. He stated that the whole platoon had two sticks and a rock: "And we had to share the rock!"