Kooser-_-

Necro Flambé Kill 50 enemies using the Flamethrower

Think Fast Kill 30 Necromorphs with Kinesis objects

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

Powered Up Complete the Solar Array Puzzle

Shut Down Defeat the AI

The Electrician Collect 10 Semiconductors

Collect Peng Find the Peng treasure

Elevator Action Knock off every Tripod during the Elevator Sequence

Brute Juke Kill a Brute without taking damage

The Graduate Win the fight at the School

The Engineer Collect 10 Schematics

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

Torment Me No More Kill the Tormenter

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

Lawnmower Man Kill 4 enemies with the same Ripper blade

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

Clever Girls Survive your first encounter with Stalkers

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

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

One Small Step Get through the first Zero-G area

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

Lightspeed de Milo Dismember the Lightspeed Boy Statue

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

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

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

Derailed Survive the Train Sequence

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

Romper Stomper Stomp 10 Containers

Patient on the Loose Get your first Suit

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

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

Chief Engineer Complete all hacks in any single player mode.

Infectious Successfully complete all System Override hacks in any single player mode.

All your Trace are belong to us Successfully complete all Trace Route hacks in any single player mode.

Planet Cracker Successfully complete all Hardware Cracks in any single player mode.

Ain't got time to bleed! Successfully complete Ignition mode within 25 minutes by any route (excluding movies).

Stop the clock! Successfully complete any hack on the Leaderboards.

Catch me if you can! Complete one Ignition mode path through the Leaderboards.

Did anyone survive? Complete Ignition Mode.

Dirty Work Unlock the level 4 engineering RIG.

Laser Burn Successfully complete a Hardware Crack in any single player mode.

Stormed the Core! Successfully complete a System Override hack in any single player mode.

Trace Element Successfully complete a Trace Route hack in any single player mode.

Concodrance Officer Collect all Trophies

Epic Tier 3 Engineer Complete the game on the hardest difficulty setting

A Cut Above Kill 30 enemies with the Ripper

Autofire Kill 30 enemies with the Pulse Rifle

Pusher Kill 30 enemies with the Force Gun

Ragdoll Check Force an enemy into a Gravity Panel 5 times

Live With The Hot Ones Kill 30 enemies with the Flamethrower