Here is a list of the secret achievements you can unlock in Dead Space 2 for the Xbox 360 for a total of 335 additional gamer points.
Check out my other guide if you’re looking for the full list of achievements for Dead Space 2.
Clever Girls (10 points) – Survive your first encounter with Stalkers
Cross your Heart, Hope to Die (30 points) – Survive the Eye Poke Machine
Derailed (20 points) – Survive the Train Sequence
Elevator Action (15 points) – Knock off every Tripod during the Elevator Sequence
Hornet’s Nest (30 points) – Destroy the Tripod Nest
Knock Knock (25 points) – Complete the Drill Ride
One Small Step (10 points) – Get through the first Zero-G area
Operation! (15 points) – Snare the Shard with the Ishimura
Patient on the Loose (15 points) – Get your first Suit
Powered Up (15 points) – Complete the Solar Array Puzzle
Shut Down (10 points) – Defeat the AI
The Final Sacrifice (50 points) – Destroy the Marker
The Fugitive (50 points) – Escape the Facility
The Graduate (20 points) – Win the fight at the School
Torment Me No More (20 points) – Kill the Tormenter
