Complete the BRIDGE level without a kill.

Remove your mask when Lesnitsky demands it.

Kill 100 Mutants.

Find and return the crying child's Teddy Bear.

Rescue the Women and Children on the BANDITS level without raising alarm.

Make 10 Spiders flip belly-up.

Turn off 40 Lights without breaking them.

Escape from the Red Line.

Complete the ECHOES level undetected by the Watchmen.

Kill 10 enemies in a row with Throwing Knives.

Disarm 10 Traps.

Free the Prisoners.

Choose three primary weapons that use different ammo.