Complete the game on Hard Core setting
Unlocked: 24 May 2014 01:28:37
Complete the game on Zealot setting
Unlocked: 16 May 2014 16:18:13
Collect Peng
20Find the Peng treasure
Unlocked: 16 May 2014 01:34:36
Decompress 20 Necromorphs without getting sucked out yourself
Unlocked: 16 May 2014 01:23:26
Knock off every Tripod during the Elevator Sequence
Unlocked: 16 May 2014 01:00:11
The Nanny
10Kill 30 Crawlers without detonating them
Unlocked: 16 May 2014 00:04:36
Fully Loaded
50Simultaneously have four completely upgraded weapons
Unlocked: 13 May 2014 20:52:23
Dismember 2,500 Necromorph Limbs (single player only)
Unlocked: 12 May 2014 23:18:35
Escape the Facility
Unlocked: 12 May 2014 22:08:05
Complete the game on any difficulty setting
Unlocked: 12 May 2014 22:08:05
Destroy the Marker
Unlocked: 12 May 2014 22:05:00
Survive the Eye Poke Machine
Unlocked: 12 May 2014 21:22:45
Upgrade your RIG and Stasis completely
Unlocked: 12 May 2014 21:14:15
Complete the Drill Ride
Unlocked: 12 May 2014 20:23:05
Looking good
10Purchase the Advanced Suit
Unlocked: 12 May 2014 20:07:25
Snare the Shard with the Ishimura
Unlocked: 12 May 2014 19:22:40
Think Fast
15Kill 30 Necromorphs with Kinesis objects
Unlocked: 12 May 2014 18:22:16
Necro Flambé
10Kill 50 enemies using the Flamethrower
Unlocked: 12 May 2014 18:22:16
Collect 100 logs
Unlocked: 12 May 2014 17:40:40
C-Section
10Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up
Unlocked: 12 May 2014 17:37:45
Kill a Necromorph with every Weapon in the game (single player only).
Unlocked: 12 May 2014 17:34:35
Destroy the Tripod Nest
Unlocked: 12 May 2014 17:08:00
It's a Trap!
20Kill 20 enemies with Detonator Mines in a deployed state
Unlocked: 12 May 2014 01:07:44
Complete the Solar Array Puzzle
Unlocked: 12 May 2014 00:45:58
Collect 10 Semiconductors
Unlocked: 12 May 2014 00:24:01
Clean Cut
10Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
Unlocked: 12 May 2014 00:22:51
Kill 25 crawling enemies with Stomp (single player only)
Unlocked: 12 May 2014 00:03:56
Defeat the AI
Unlocked: 12 May 2014 00:01:15
Kill a Cyst by catching its Mine and throwing it back
Unlocked: 11 May 2014 23:30:45
Brute Juke
10Kill a Brute without taking damage
Unlocked: 11 May 2014 23:09:24
Win the fight at the School
Unlocked: 11 May 2014 23:04:44
Upgrade 1 Weapon completely
Unlocked: 11 May 2014 22:20:17
The Engineer
10Collect 10 Schematics
Unlocked: 11 May 2014 22:08:12
Kill 4 enemies with the same Ripper blade
Unlocked: 11 May 2014 22:05:26
Kill the Tormenter
Unlocked: 11 May 2014 21:57:06
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)
Unlocked: 11 May 2014 21:26:40
Kill 50 Necromorphs while they are in Stasis (single player only)
Unlocked: 11 May 2014 20:45:00
Survive your first encounter with Stalkers
Unlocked: 11 May 2014 20:41:34
Dismember the Lightspeed Boy Statue
Unlocked: 11 May 2014 15:59:04
Get through the first Zero-G area
Unlocked: 11 May 2014 15:36:33
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
Unlocked: 11 May 2014 14:46:37
Survive the Train Sequence
Unlocked: 11 May 2014 14:35:56
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
Unlocked: 11 May 2014 14:20:36
First Aid
10Use Quick Heal ten times (single player only)
Unlocked: 11 May 2014 14:17:26
Stomp 10 Containers
Unlocked: 11 May 2014 13:39:50
Get your first Suit
Unlocked: 11 May 2014 12:47:04
TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface
Unlocked: 11 May 2014 12:30:58
Dismember 25 Necromorph Limbs (single player only)
Unlocked: 11 May 2014 12:24:28
Peek a Boo!
20Kill a Stalker with the Seeker Rifle while in Zoom Mode
Unlocked: Offline
Impale an enemy into a Decompression Window to cause it to blow out
Unlocked: Offline