Knock down a human or stun an android with a non-lethal attack

Arcade, Planets - Collect 5 shield tokens while already having a shield

Use the vent system 20 times

Kill an android using only the maintenance jack

Complete the third mission

Use the revolver

Complete the second mission

Complete the first mission

Beat the final boss Kain and clear the game as FREEMAN

Get the Kudets

Find a pair of bast shoes

Cut off Ilya's hand

Never fall in the fish dryer