Have a Nice Day - Get the "Rocket Scientist" award in 10 matches and "Flak Master" award in 10 matches.
I Need Some Backup - Complete 1 mission in co-op.
I See How It Is - Complete an Instant Action match in every game mode.
I'm Not on a Holy War - Defeat Akasha and complete the campaign.
Jack of All Trades - Kill an enemy with every vehicle (except hoverboard).
Just Business - Complete Chapter 2 in Insane.
Killjoy - End sprees in 20 matches.
Let's Get It On - Complete a multiplayer match in every game type.
Like the Back of My Hand - Collect every power up on every map.
Lock and Load - Complete Chapter 1.
Never Saw It Coming - Have over 20 minutes of "Invisibility Time".
Not in Kansas Anymore - Complete Chapter 4.
Off To a Good Start - Get the "First Blood" award in 40 matches.
Online Champion - Win 500 online matches.
Open War - Complete Chapter 4 in Insane.
Paint the Town Red - Complete 100 Deathmatch or Duel matches played to at least 20 kills.
Pistolero - Get the "Gun Slinger" award in 10 matches.
Seeing Red - Have over 20 minutes of "Berserk Time".
Serial Killer - Get the "Killing Spree" award in 20 matches.
Shard-o-matic - Get the "Blue Streak" award in 10 matches.
Sir Slays-a-Lot - Get the "Monster Kill" award in 20 matches.
Skull Collector - Score 500 skulls in Greed.
Soldier's Blood - Complete Chapter 2.
Spice of Life - Play a match with every mutator, using only 1 per match.
Strongest Link - Get the "Shaft Master" award in 10 matches.