Kill 4 enemies with the same Ripper blade

Survive your first encounter with Stalkers

Use Quick Heal ten times (single player only)

Stomp 10 Containers

TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface

Heal 250 pedestrians.

Beat the game as a Hero.

Travel 25 kilometers while riding the rails.

Take down 25 enemies while riding on the roof of a moving vehicle.

Defeat Alden.

Finish the game in Normal Mode

Defeat 30 enemies with the M9

Defeat five enemies in a row with headshots