Hints & Strategies

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