Destroy the Tripod Nest

Kill 4 enemies with the same Ripper blade

Defeat the AI

Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.

Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface

Survive your first encounter with Stalkers

Stomp 10 Containers

Use Quick Heal ten times (single player only)

Dismember 25 Necromorph Limbs (single player only)

Captured Kaffarov

Took down 2 enemies with 1 bullet in Night Shift

Failed to prevent the attack