Complete the game on Zealot setting
Unlocked: 23 Jun 2011 17:53:59
Decompress 20 Necromorphs without getting sucked out yourself
Unlocked: 22 Jun 2011 15:45:26
Think Fast
15Kill 30 Necromorphs with Kinesis objects
Unlocked: 22 Jun 2011 14:48:08
Escape the Facility
Unlocked: 22 Jun 2011 14:27:11
Complete the game on any difficulty setting
Unlocked: 22 Jun 2011 14:27:11
Destroy the Marker
Unlocked: 22 Jun 2011 14:24:06
Survive the Eye Poke Machine
Unlocked: 22 Jun 2011 14:02:26
The Nanny
10Kill 30 Crawlers without detonating them
Unlocked: 22 Jun 2011 13:30:04
Dismember 2,500 Necromorph Limbs (single player only)
Unlocked: 22 Jun 2011 13:18:12
Complete the Drill Ride
Unlocked: 22 Jun 2011 00:31:11
Looking good
10Purchase the Advanced Suit
Unlocked: 21 Jun 2011 23:57:52
Fully Loaded
50Simultaneously have four completely upgraded weapons
Unlocked: 21 Jun 2011 20:23:04
Snare the Shard with the Ishimura
Unlocked: 21 Jun 2011 19:53:53
Necro Flambé
10Kill 50 enemies using the Flamethrower
Unlocked: 21 Jun 2011 19:10:42
Collect 100 logs
Unlocked: 21 Jun 2011 18:58:27
Destroy the Tripod Nest
Unlocked: 21 Jun 2011 17:42:07
Kill 50 Necromorphs while they are in Stasis (single player only)
Unlocked: 21 Jun 2011 15:02:02
C-Section
10Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up
Unlocked: 21 Jun 2011 14:21:19
Kill a Necromorph with every Weapon in the game (single player only).
Unlocked: 21 Jun 2011 14:21:14
Complete the Solar Array Puzzle
Unlocked: 21 Jun 2011 14:14:33
Defeat the AI
Unlocked: 21 Jun 2011 14:02:07
Collect 10 Semiconductors
Unlocked: 21 Jun 2011 13:51:54
Collect Peng
20Find the Peng treasure
Unlocked: 21 Jun 2011 13:51:51
Knock off every Tripod during the Elevator Sequence
Unlocked: 21 Jun 2011 13:03:51
Upgrade 1 Weapon completely
Unlocked: 21 Jun 2011 12:36:18
Brute Juke
10Kill a Brute without taking damage
Unlocked: 20 Jun 2011 23:42:43
Win the fight at the School
Unlocked: 20 Jun 2011 23:38:03
It's a Trap!
20Kill 20 enemies with Detonator Mines in a deployed state
Unlocked: 20 Jun 2011 23:08:42
Peek a Boo!
20Kill a Stalker with the Seeker Rifle while in Zoom Mode
Unlocked: 20 Jun 2011 22:10:29
Kill a Cyst by catching its Mine and throwing it back
Unlocked: 20 Jun 2011 21:53:00
The Engineer
10Collect 10 Schematics
Unlocked: 20 Jun 2011 21:49:07
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)
Unlocked: 20 Jun 2011 18:30:39
Get through the first Zero-G area
Unlocked: 20 Jun 2011 17:38:59
Kill 25 crawling enemies with Stomp (single player only)
Unlocked: 20 Jun 2011 17:34:56
Impale an enemy into a Decompression Window to cause it to blow out
Unlocked: 20 Jun 2011 17:00:00
Dismember the Lightspeed Boy Statue
Unlocked: 20 Jun 2011 16:50:52
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
Unlocked: 20 Jun 2011 16:45:28
Survive the Train Sequence
Unlocked: 20 Jun 2011 16:38:36
First Aid
10Use Quick Heal ten times (single player only)
Unlocked: 20 Jun 2011 16:26:35
Stomp 10 Containers
Unlocked: 20 Jun 2011 16:17:07
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
Unlocked: 20 Jun 2011 16:13:58
Get your first Suit
Unlocked: 20 Jun 2011 15:50:39
Dismember 25 Necromorph Limbs (single player only)
Unlocked: 20 Jun 2011 15:27:25
TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface
Unlocked: 20 Jun 2011 15:26:54
Survive your first encounter with Stalkers
Unlocked: Offline
Kill the Tormenter
Unlocked: Offline
Upgrade your RIG and Stasis completely
Unlocked: Offline
Kill 4 enemies with the same Ripper blade
Unlocked: Offline
Clean Cut
10Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
Unlocked: Offline
Complete the game on Hard Core setting