Achieved 100 kills.
Completed a two-player operation.
Completed a daily training session.
Achieved 500 kills.
Achieved 1,000 kills.
Achieved 20 melee kills.
Neutralised three or more criminals with one Stinger grenade in the same room.
Revived yourself five times.
Revived another player five times.
Finished three operations, losing less than ten health points in each.
Survived five waves in Lockdown mode.
Survived ten waves in Lockdown mode.
Knocked 50 masks off enemies.
Achieved a kill with a side-arm, a tactical weapon and a grenade in the same room.
Completed a daily operation.
Reached level 14.
Purchased all weapons.
Completed a case on any difficulty.
Completed a case on Hard difficulty.
Cleared ten rooms of criminals while in slow-mo.
Knocked down a criminal while sliding into a room.
