Tutorials Completed - Complete the tutorial for each character.
First Blood - Be the first one that kills an enemy in challenge mode.
Ability First Kill - Perform a kill using your ability for the first time in a challenge.
Challenges Master - Win a death match without being killed in a challenge.
Ability Master - Perform 10 frags in a row with only your abilities in challenge mode.
BlackOp Campaign Completed - Complete all challenges in the blackop campaign.
Bishop Campaign Completed - Complete all challenges in the bishop campaign.
Guardian Campaign Completed - Complete all challenges in the guardian campaign.
Arena Master - Perform 5 kills without being killed in a ranked match.
Slayer - Get 100 kills in ranked matches.
All Rewards Unlocked - Unlock all Rewards.
Marathon - Score 1,000,000 points.