Complete the Act 1
Kill 50 drone enemies
Reprogram 10 UD-3 Ghoul Scouts
Get 50 shotgun kills
Kill 20 enemies with the EMP attachment grenade
Kill 50 Shotgunners
Kill 5 AD-4 Vulcan Engineers
Kill 100 human enemies
Get 50 headshots with any weapon
Deep Black Platinum.
Complete the Act 2
Complete the Act 3
Complete the Act 4
Complete the Act 5
Get 5 headshots in a row with the Sniper Rifle
Kill one of each enemy type with a melee attack
Recover 10 data discs
Win a multiplayer match on each of the 5 maps
Win a match without dying
Get 5 kills in a row without dying
Get 15 kills in a row without dying