Opened every vent and cut every chain.
Quit the game right as things got interesting.
Re-acquired the rabbit doll.
Lit up a fuel puddle.
Found all the maps.
Found all pocket bags.
Blew open a door with a shotgun.
Blasted a rat with a shotgun.
Opened all the lockers.
Never dropped nor stored an item.
Escaped the bunker.
Finished the game.
Sent the beast back into the screaming darkness.
Showed the beast the bunny.
Acquired the rabbit doll.
Found the detonator handle.
Shot at the visions in the tunnels.
Disarmed a trap.
Acquired the shotgun.
Found the Dynamite.
Got the cutters and locked the cell again without the German Prisoner dying.
Found the Cutters.
Acquired the lighter.
Acquired the gas mask.
Hurt the beast by triggering a trap.
Retrieved the Foreman's dogtag.
Discovered the beast's nest in the chapel.
Used meat to lure rats away from a corpse.
Burnt a corpse to a nice char.
Used gas on the beast.
Heard the message on the radio.
Blew up a door with a barrel.
Blew up lots of rats with a single grenade.
Survived first encounter with the beast.
Blocked the beast's path out of a hole.
Released the emergency lockdown.
Found the Adminstrator's office.
Collected all the other achievements.
Retrieved every note.
Completed the game faster than all developers at Frictional.
Completed the game without saving.
Burnt a lot of dead bodies.