•Mission Impossible - 50
Complete the game on Zealot setting

•Romper Stomper - 25
Stomp 10 Containers

•Vacuum Cleaner - 30
Decompress 20 Necromorphs without getting sucked out yourself

•Made Us Whole - 10
Complete the game on any difficulty setting

•Frozen in Time - 10
Kill 50 Necromorphs while they are in Stasis (single player only)

•First Aid - 10
Use Quick Heal ten times (single player only)

•Epic Dismemberment - 50
Dismember 2,500 Necromorph Limbs (single player only)

•...And Stay Down - 10
Kill 25 crawling enemies with Stomp (single player only)

•Think Fast - 15
Kill 30 Necromorphs with Kinesis objects

•The Nanny - 10
Kill 30 Crawlers without detonating them

•C-Section - 10
Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

•Going for Distance - 20
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface

•Taste of your own Medicine - 20
TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface

•It's a Trap! - 20
Kill 20 enemies with Detonator Mines in a deployed state

•Necro Flambé - 10
Kill 50 enemies using the Flamethrower

•Peek a Boo! - 20
Kill a Stalker with the Seeker Rifle while in Zoom Mode

•Brute Juke - 10
Kill a Brute without taking damage

•Shoot the Limbs! - 10
Dismember 25 Necromorph Limbs (single player only)

•Bouncing Betty - 10
Kill a Cyst by catching its Mine and throwing it back

•Skewered in Space - 15
Impale an enemy into a Decompression Window to cause it to blow out

•Hard to the Core - 50
Complete the game on Hard Core setting

•Clean Cut - 10
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)

•Lawnmower Man - 10
Kill 4 enemies with the same Ripper blade

•Fully Loaded - 50
Simultaneously have four completely upgraded weapons

•The Sampler Platter - 20
Kill a Necromorph with every Weapon in the game (single player only).

•Lightspeed de Milo - 10
Dismember the Lightspeed Boy Statue

•Looking good - 10
Purchase the Advanced Suit

•Fully Outfitted - 30
Upgrade your RIG and Stasis completely

•Picking favorites - 30
Upgrade 1 Weapon completely

•The Engineer - 10
Collect 10 Schematics

•My Boom Stick - 20
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

•Shock Therapy - 10
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)

•Collect Peng - 20
Find the Peng treasure

•The Librarian - 10
Collect 100 logs

•The Electrician - 10
Collect 10 Semiconductors