Complete an Extreme difficulty mission or higher without anyone dying.

Upgrade all ship modules at least 1 level.

Revive other Slayers 5 times.

Maim 100 limbs.

Survive a plane crash, get bitten, and create your first Zombie-Free Zone.

Defeat a Bile Titan.

Extract with a full squad on a Hard difficulty or more mission.

Play at least 50 missions.

While using a jump pack, knock yourself into a ragdoll state.

Defeat a Hulk.

Complete 10 tactical objectives.

Fire at least 150 rounds in one burst, killing at least 10 enemies.