Slayer
Get 100 kills in Xbox LIVE ranked match
20 ✓ September 24th, 2010
BlackOp Campaign Completed
Complete all challenges in the BlackOp Campaign
20 ✓ August 30th, 2010
Bishop Campaign Completed
Complete all challenges in the Bishop Campaign
20 ✓ August 30th, 2010
Guardian Campaign Completed
Complete all challenges in the Guardian Campaign
20 ✓ August 30th, 2010
ArenaMaster
Perform 5 kills without being killed in a ranked match
20 ✓ September 24th, 2010
Challenges Master
Win Death Match without being killed in a challenge
10 ✓ August 19th, 2010
Ability Master
Perform 10 frags in a row with only your abilities in challenge mode
10 ✓ August 30th, 2010
Tutorials Completed
Complete the tutorial for each character
5 ✓ August 30th, 2010
First Blood
Try to be the first one that kills an enemy in challenge mode
5 ✓ August 19th, 2010
Ability First Kill
perform a kill using your ability for the first time in challenge mode
5 ✓ August 19th, 2010
Marathon
Score 1,000,000 points
35 
All Rewards Unlocked
Unlock all rewards
30