Dead Space™ 2

The Sacrifice

Severed: Complete Chapter 2

Peng Me Again

Severed: Find the Peng treasure in Severed

The Betrayal

Severed: Complete Chapter 1

...And Stay Down

Kill 25 crawling enemies with Stomp (single player only)

Necro Flambé

Kill 50 enemies using the Flamethrower

It's a Trap!

Kill 20 enemies with Detonator Mines in a deployed state

Peek a Boo!

Kill a Stalker with the Seeker Rifle while in Zoom Mode

The Sampler Platter

Kill a Necromorph with every Weapon in the game (single player only).

Skewered in Space

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

Vacuum Cleaner

Decompress 20 Necromorphs without getting sucked out yourself

Lawnmower Man

Kill 4 enemies with the same Ripper blade

Shock Therapy

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

C-Section

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

Fully Loaded

Simultaneously have four completely upgraded weapons

Mission Impossible

Complete the game on Zealot setting

The Nanny

Kill 30 Crawlers without detonating them

Collect Peng

Find the Peng treasure

Epic Dismemberment

Dismember 2,500 Necromorph Limbs (single player only)

Brute Juke

Kill a Brute without taking damage

Think Fast

Kill 30 Necromorphs with Kinesis objects

Going for Distance

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

My Boom Stick

Kill 6 enemies at once with Line Gun's Alt-Fire (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

Fully Outfitted

Upgrade your RIG and Stasis completely

Made Us Whole

Complete the game on any difficulty setting

The Fugitive

Escape the Facility

The Final Sacrifice

Destroy the Marker

Cross your Heart, Hope to Die

Survive the Eye Poke Machine

Frozen in Time

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

Knock Knock

Complete the Drill Ride

Looking good

Purchase the Advanced Suit

Operation!

Snare the Shard with the Ishimura

The Librarian

Collect 100 logs

Hornet's Nest

Destroy the Tripod Nest

The Electrician

Collect 10 Semiconductors

Clean Cut

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

Powered Up

Complete the Solar Array Puzzle

Romper Stomper

Stomp 10 Containers

Shut Down

Defeat the AI

Picking favorites

Upgrade 1 Weapon completely

Bouncing Betty

Kill a Cyst by catching its Mine and throwing it back

The Graduate

Win the fight at the School

Lightspeed de Milo

Dismember the Lightspeed Boy Statue

The Engineer

Collect 10 Schematics

Torment Me No More

Kill the Tormenter

Clever Girls

Survive your first encounter with Stalkers

One Small Step

Get through the first Zero-G area

Derailed

Survive the Train Sequence

First Aid

Use Quick Heal ten times (single player only)

Patient on the Loose

Get your first Suit

Shoot the Limbs!

Dismember 25 Necromorph Limbs (single player only)