Complete the game on Zealot setting

Unlocked: 10 Jan 2013 03:26 pm

Simultaneously have four completely upgraded weapons

Unlocked: 10 Jan 2013 08:40 am

Decompress 20 Necromorphs without getting sucked out yourself

Unlocked: 9 Jan 2013 05:02 pm

Dismember 2,500 Necromorph Limbs (single player only)

Unlocked: 9 Jan 2013 04:26 pm

Complete the game on Hard Core setting

Unlocked: 9 Jan 2013 03:30 pm

Upgrade 1 Weapon completely

Unlocked: 9 Jan 2013 03:02 pm

Escape the Facility

Unlocked: 6 Jan 2013 03:46 pm

Complete the game on any difficulty setting

Unlocked: 6 Jan 2013 03:46 pm

Destroy the Marker

Unlocked: 6 Jan 2013 03:42 pm

Survive the Eye Poke Machine

Unlocked: 6 Jan 2013 03:19 pm

Complete the Drill Ride

Unlocked: 6 Jan 2013 01:44 pm

Purchase the Advanced Suit

Unlocked: 6 Jan 2013 01:17 pm

Kill 30 Crawlers without detonating them

Unlocked: 6 Jan 2013 12:23 pm

Collect 100 logs

Unlocked: 6 Jan 2013 12:19 pm

Snare the Shard with the Ishimura

Unlocked: 6 Jan 2013 12:17 pm

Destroy the Tripod Nest

Unlocked: 6 Jan 2013 10:21 am

Upgrade your RIG and Stasis completely

Unlocked: 5 Jan 2013 01:54 pm

Complete the Solar Array Puzzle

Unlocked: 5 Jan 2013 11:42 am

Defeat the AI

Unlocked: 5 Jan 2013 11:29 am

Kill 50 Necromorphs while they are in Stasis (single player only)

Unlocked: 5 Jan 2013 11:18 am

Collect 10 Semiconductors

Unlocked: 5 Jan 2013 11:16 am

Find the Peng treasure

Unlocked: 5 Jan 2013 11:16 am

Knock off every Tripod during the Elevator Sequence

Unlocked: 2 Jan 2013 02:19 pm

Kill 30 Necromorphs with Kinesis objects

Unlocked: 2 Jan 2013 12:49 pm

Kill a Brute without taking damage

Unlocked: 2 Jan 2013 11:41 am

Win the fight at the School

Unlocked: 1 Jan 2013 04:11 pm

Kill a Necromorph with every Weapon in the game (single player only).

Unlocked: 1 Jan 2013 03:32 pm

Kill 20 enemies with Detonator Mines in a deployed state

Unlocked: 1 Jan 2013 03:20 pm

Kill 4 enemies with the same Ripper blade

Unlocked: 1 Jan 2013 03:19 pm

Kill 25 crawling enemies with Stomp (single player only)

Unlocked: 1 Jan 2013 03:11 pm

Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface

Unlocked: 1 Jan 2013 02:57 pm

Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)

Unlocked: 1 Jan 2013 02:56 pm

Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Unlocked: 1 Jan 2013 02:54 pm

Kill a Stalker with the Seeker Rifle while in Zoom Mode

Unlocked: 1 Jan 2013 02:34 pm

Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

Unlocked: 1 Jan 2013 02:22 pm

Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)

Unlocked: 1 Jan 2013 01:56 pm

Kill a Cyst by catching its Mine and throwing it back

Unlocked: 1 Jan 2013 01:39 pm

Collect 10 Schematics

Unlocked: 1 Jan 2013 01:35 pm

Kill 50 enemies using the Flamethrower

Unlocked: 1 Jan 2013 01:34 pm

Kill the Tormenter

Unlocked: 1 Jan 2013 01:24 pm

Survive your first encounter with Stalkers

Unlocked: 1 Jan 2013 10:16 am

Impale an enemy into a Decompression Window to cause it to blow out

Unlocked: 15 May 2011 09:18 am

Dismember the Lightspeed Boy Statue

Unlocked: 15 May 2011 09:16 am

Get through the first Zero-G area

Unlocked: 13 May 2011 10:56 am

Survive the Train Sequence

Unlocked: 13 May 2011 10:18 am

Stomp 10 Containers

Unlocked: 13 May 2011 09:59 am

Use Quick Heal ten times (single player only)

Unlocked: 13 May 2011 09:54 am

Get your first Suit

Unlocked: 13 May 2011 08:11 am

Dismember 25 Necromorph Limbs (single player only)

Unlocked: 12 May 2011 01:02 am

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

Unlocked: 12 May 2011 12:56 am

Severed: Complete on Zealot difficulty

Unlocked: 10 Jan 2013 11:33 pm

Severed: Complete Chapter 2

Unlocked: 10 Jan 2013 10:27 pm

Severed: Kill 16 or more enemies in the final last stand combat sequence

Unlocked: 10 Jan 2013 10:24 pm

Severed: Find the Peng treasure in Severed

Unlocked: 10 Jan 2013 10:02 pm

Severed: Complete Chapter 1

Unlocked: 10 Jan 2013 09:33 pm

Severed: Take out the gunship within 30 seconds

Unlocked: 10 Jan 2013 09:31 pm

Severed: Defend the quarry platform until the door unlocks

Unlocked: 10 Jan 2013 09:11 pm

Severed: In the grinder room, cause an enemy to die in the grinders

Unlocked: 10 Jan 2013 03:47 pm