| icon | info | score |
|---|---|---|
| My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only) unlocked Jan 29th, 2011 9:26 pm | 20 | |
| Lawnmower Man Kill 4 enemies with the same Ripper blade unlocked Feb 22nd, 2011 2:44 am | 10 | |
| C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up unlocked Feb 22nd, 2011 2:52 am | 10 | |
| Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out unlocked Jan 29th, 2011 10:18 pm | 15 | |
| Shock Therapy Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only) unlocked Feb 22nd, 2011 2:43 am | 10 | |
| Made Us Whole Complete the game on any difficulty setting unlocked Jan 28th, 2011 11:49 pm | 10 | |
| The Fugitive Escape the Facility unlocked Jan 28th, 2011 11:49 pm | 50 | |
| The Final Sacrifice Destroy the Marker unlocked Jan 28th, 2011 11:46 pm | 50 | |
| Cross your Heart, Hope to Die Survive the Eye Poke Machine unlocked Jan 28th, 2011 11:05 pm | 30 | |
| Peek a Boo! Kill a Stalker with the Seeker Rifle while in Zoom Mode unlocked Feb 22nd, 2011 3:24 am | 20 | |
| Knock Knock Complete the Drill Ride unlocked Jan 28th, 2011 7:28 am | 25 | |
| Looking good Purchase the Advanced Suit unlocked Jan 28th, 2011 7:08 am | 10 | |
| The Nanny Kill 30 Crawlers without detonating them unlocked Feb 22nd, 2011 5:59 pm | 10 | |
| Operation! Snare the Shard with the Ishimura unlocked Jan 28th, 2011 6:33 am | 15 | |
| ...And Stay Down Kill 25 crawling enemies with Stomp (single player only) unlocked Jan 28th, 2011 5:08 am | 10 | |
| Frozen in Time Kill 50 Necromorphs while they are in Stasis (single player only) unlocked Jan 28th, 2011 3:11 am | 10 | |
| The Librarian Collect 100 logs unlocked Jan 28th, 2011 5:55 am | 10 | |
| Fully Outfitted Upgrade your RIG and Stasis completely unlocked Jan 28th, 2011 5:45 am | 30 | |
| Hornet's Nest Destroy the Tripod Nest unlocked Jan 28th, 2011 5:31 am | 30 | |
| The Electrician Collect 10 Semiconductors unlocked Jan 28th, 2011 4:11 am | 10 | |
| Powered Up Complete the Solar Array Puzzle unlocked Jan 28th, 2011 4:20 am | 15 | |
| Shut Down Defeat the AI unlocked Jan 28th, 2011 4:07 am | 10 | |
| Collect Peng Find the Peng treasure unlocked Feb 22nd, 2011 5:14 am | 20 | |
| Elevator Action Knock off every Tripod during the Elevator Sequence unlocked Feb 22nd, 2011 4:38 am | 15 | |
| Picking favorites Upgrade 1 Weapon completely unlocked Jan 28th, 2011 3:34 am | 30 | |
| Brute Juke Kill a Brute without taking damage unlocked Jan 28th, 2011 5:48 am | 10 | |
| The Graduate Win the fight at the School unlocked Jan 28th, 2011 3:24 am | 20 | |
| Think Fast Kill 30 Necromorphs with Kinesis objects unlocked Jan 29th, 2011 11:04 pm | 15 | |
| The Engineer Collect 10 Schematics unlocked Jan 28th, 2011 2:47 am | 10 | |
| Torment Me No More Kill the Tormenter unlocked Jan 28th, 2011 2:39 am | 20 | |
| Clever Girls Survive your first encounter with Stalkers unlocked Jan 28th, 2011 2:02 am | 10 | |
| One Small Step Get through the first Zero-G area unlocked Jan 28th, 2011 1:03 am | 10 | |
| First Aid Use Quick Heal ten times (single player only) unlocked Jan 28th, 2011 12:20 am | 10 | |
| Derailed Survive the Train Sequence unlocked Jan 28th, 2011 12:34 am | 20 | |
| Romper Stomper Stomp 10 Containers unlocked Jan 28th, 2011 12:16 am | 25 | |
| Patient on the Loose Get your first Suit unlocked Jan 27th, 2011 11:53 pm | 15 | |
| Shoot the Limbs! Dismember 25 Necromorph Limbs (single player only) unlocked Jan 27th, 2011 11:43 pm | 10 | |
| Taste of your own Medicine TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface unlocked Jan 28th, 2011 10:09 pm | 20 | |
| Necro Flambé Kill 50 enemies using the Flamethrower unlocked Feb 22nd, 2011 4:05 am | 10 | |
| Lightspeed de Milo Dismember the Lightspeed Boy Statue unlocked Jan 28th, 2011 3:06 am | 10 | |
| Bouncing Betty Kill a Cyst by catching its Mine and throwing it back unlocked Jan 28th, 2011 2:50 am | 10 | |
| The Sampler Platter Kill a Necromorph with every Weapon in the game (single player only). unlocked Feb 22nd, 2011 3:41 am | 20 | |
| Clean Cut Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only) unlocked Feb 22nd, 2011 3:41 am | 10 | |
| Hard to the Core Complete the game on Hard Core setting unlocked Mar 8th, 2013 8:35 pm | 50 | |
| Mission Impossible Complete the game on Zealot setting unlocked Jul 14th, 2012 12:41 am | 50 | |
| The Veteran Severed: Complete on Zealot difficulty unlocked Jul 12th, 2012 12:18 am | 50 | |
| The Sacrifice Severed: Complete Chapter 2 unlocked Jul 11th, 2012 10:20 pm | 50 | |
| Remember the Alamo Severed: Kill 16 or more enemies in the final last stand combat sequence unlocked Jul 11th, 2012 10:16 pm | 20 | |
| Peng Me Again Severed: Find the Peng treasure in Severed unlocked Jul 11th, 2012 9:44 pm | 20 | |
| The Betrayal Severed: Complete Chapter 1 unlocked Jul 11th, 2012 8:50 pm | 50 | |
| Ship Shape Severed: Take out the gunship within 30 seconds unlocked Jul 11th, 2012 8:49 pm | 20 | |
| Grind House Severed: In the grinder room, cause an enemy to die in the grinders unlocked Jul 11th, 2012 7:00 pm | 20 | |
| King of the Hill Severed: Defend the quarry platform until the door unlocks unlocked Mar 8th, 2011 1:00 am | 20 | |
| Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself unlocked Mar 2nd, 2011 3:58 am | 30 | |
| Fully Loaded Simultaneously have four completely upgraded weapons unlocked Feb 22nd, 2011 6:27 pm | 50 | |
| Epic Dismemberment Dismember 2,500 Necromorph Limbs (single player only) unlocked Feb 22nd, 2011 6:14 pm | 50 | |
| It's a Trap! Kill 20 enemies with Detonator Mines in a deployed state unlocked Feb 22nd, 2011 3:07 am | 20 | |
| Going for Distance Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface unlocked Feb 22nd, 2011 2:25 am | 20 |
