- Peek a Boo!
Kill a Stalker with the Seeker Rifle while in Zoom Mode
Unlocked offline - 6 guides
- Clever Girls
Survive your first encounter with Stalkers
Unlocked offline - 2 guides
- ...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
Unlocked offline - 6 guides
- Torment Me No More
Kill the Tormenter
Unlocked offline - 2 guides
- Lawnmower Man
Kill 4 enemies with the same Ripper blade
Unlocked offline - 6 guides
- Bouncing Betty
Kill a Cyst by catching its Mine and throwing it back
Unlocked offline - 7 guides
- The Engineer
Collect 10 Schematics
Unlocked offline - 3 guides
- Going for Distance
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
Unlocked offline - 8 guides
- Clean Cut
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
Unlocked offline - 3 guides
- The Graduate
Win the fight at the School
Unlocked offline - 3 guides
- It's a Trap!
Kill 20 enemies with Detonator Mines in a deployed state
Unlocked offline - 5 guides
- Brute Juke
Kill a Brute without taking damage
Unlocked offline - 11 guides
- Elevator Action
Knock off every Tripod during the Elevator Sequence
Unlocked offline - 9 guides
- Shut Down
Defeat the AI
Unlocked offline - 2 guides
- Collect Peng
Find the Peng treasure
Unlocked offline - 3 guides
- Powered Up
Complete the Solar Array Puzzle
Unlocked offline - 2 guides
- Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
Unlocked offline - 2 guides
- The Sampler Platter
Kill a Necromorph with every Weapon in the game (single player only).
Unlocked offline - 3 guides
- C-Section
Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up
Unlocked offline - 4 guides
- Think Fast
Kill 30 Necromorphs with Kinesis objects
Unlocked offline - 4 guides
- The Electrician
Collect 10 Semiconductors
Unlocked offline - 2 guides
- Skewered in Space
Impale an enemy into a Decompression Window to cause it to blow out
Unlocked offline - 2 guides
- Hornet's Nest
Destroy the Tripod Nest
Unlocked offline - 2 guides
- Fully Outfitted
Upgrade your RIG and Stasis completely
Unlocked offline - 2 guides
- Necro Flambé
Kill 50 enemies using the Flamethrower
Unlocked offline - 2 guides
- Operation!
Snare the Shard with the Ishimura
Unlocked offline - 1 guide
- Knock Knock
Complete the Drill Ride
Unlocked offline - 1 guide
- The Nanny
Kill 30 Crawlers without detonating them
Unlocked offline - 5 guides
- Looking good
Purchase the Advanced Suit
Unlocked offline - 3 guides
- The Librarian
Collect 100 logs
Unlocked offline - 1 guide
- The Final Sacrifice
Destroy the Marker
Unlocked offline - 6 guides
- The Fugitive
Escape the Facility
Unlocked offline - 1 guide
- Cross your Heart, Hope to Die
Survive the Eye Poke Machine
Unlocked offline - 3 guides
- Made Us Whole
Complete the game on any difficulty setting
Unlocked offline - 1 guide
- Mission Impossible
Complete the game on Zealot setting
Unlocked offline - 5 guides
- Vacuum Cleaner
Decompress 20 Necromorphs without getting sucked out yourself
Unlocked offline - 2 guides
- Epic Dismemberment
Dismember 2,500 Necromorph Limbs (single player only)
Unlocked offline - 7 guides
- Picking favorites
Upgrade 1 Weapon completely
Unlocked offline - 4 guides
- Fully Loaded
Simultaneously have four completely upgraded weapons
Unlocked offline - 3 guides
- Hard to the Core
Complete the game on Hard Core setting
Unlocked offline - 12 guides
- Grind House
Severed: In the grinder room, cause an enemy to die in the grinders
Unlocked offline - 4 guides
- The Betrayal
Severed: Complete Chapter 1
Unlocked offline - 2 guides
- Ship Shape
Severed: Take out the gunship within 30 seconds
Unlocked offline - 3 guides
- Peng Me Again
Severed: Find the Peng treasure in Severed
Unlocked offline - 3 guides
- King of the Hill
Severed: Defend the quarry platform until the door unlocks
Unlocked offline - 4 guides
- The Sacrifice
Severed: Complete Chapter 2
Unlocked offline - 2 guides
- The Veteran
Severed: Complete on Zealot difficulty
Unlocked offline - 3 guides
- Remember the Alamo
Severed: Kill 16 or more enemies in the final last stand combat sequence
Unlocked offline - 3 guides