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