Dead Space 3 Cheats - Xbox 360

Achievements
Complete each achievement to get the allotted gamerscore:

Aliens (15) - Collect all Alien Artifacts.
And Then We Doubled It! (10) - Dismember 1,000 limbs from living enemies.
Architect (10) - Share a Blueprint with your Co-Op partner.
Dropping Acid (10) - Dissolve 50 enemies with acid.
Electric Lawnmower (10) - Kill 30 enemies using an electrified Ripper blade.
Empty Chamber (10) - Kill 30 enemies using melee strikes or a melee Weapon Part.
EMT (25) - Craft a Large Med Pack.
Epic Tier 4 Engineer (40) - Complete the game in Classic Mode.
From the Jaws (10) - Save your Co-Op partner from an execution by killing the attacker.
Full House (25) - Craft a Weapon with 2 Tools, Tips, and Attachments with all Circuit slots filled.
Get On My Level (10) - Complete the game on any difficulty setting.
Aren't You Thankful? (50) - Complete the game on Hardcore Mode.
Axes High (20) - Kill 30 enemies using Fodder axes.
Blast Corps (10) - Kill 30 enemies with explosion damage.
Circuit's Edge (10) - Add a Circuit to a Weapon.
Close Encounter (10) - Kill 10 alien Necromorphs.
Critical Mass (15) - Recover the shuttle.
Drill Sergeant (30) - Complete the Drill Room without taking any damage.
Medic! (10) - Revive your Co-Op partner 10 times.
Metal Detector (30) - Successfully deploy Scavenger Bots to 15 Resource Areas.
My Buddy (10) - Retrieve Resources from a Scavenger Bot at a Bench.
Overpowered Healing (10) - Use quick heal to heal yourself 20 times.
Payback (15) - Kill a Soldier by TK'ing a grenade or rocket back at them.
RIG Master (50) - Fully upgrade your RIG.
Share and Share Alike (10) - Use the RIG to give an item to your Co-Op partner.
Shoot for the Moon (50) - Defeat the Moon.
Ghosts of the Past (25) - Face all of Carver's demons by completing all Co-Op only optional missions.
Go for the Limbs! (10) - Dismember 500 limbs from living enemies.
Gun Collector (25) - Collect all Weapon Parts.
Hungry (20) - Reach the pump room of the Waystation without alerting any Feeders.
Hydra (15) - Kill the Snowbeast.
Infernal Machine (15) - Reach the Alien Machine.
Intestinal Fortitude (25) - Defeat the Hive Mind.
Master Plan (25) - Create a Blueprint that needs at least 2,000 resources worth of parts and Circuits to build.
Stranger in a Strange Land (10) - Complete the Prologue.
Strapped (10) - Craft a Weapon.
Survivalist (40) - Complete the game in Pure Survival Mode.
The Armorer (25) - Collect all Circuits.
The Explorer (25) - Complete all optional missions.
Shootbang (10) - Kill 30 Soldiers with head shots.
Slow Mo (10) - Kill 50 enemies while they are in stasis.
Snow Crash (15) - Reach Tau Volantis.
Space Ace (20) - Shoot at least 70 targets during the ride to Tau Volantis.
Space Odyssey (15) - Survive your first spacewalk.
The Librarian (25) - Collect all Logs.
The Professor (25) - Collect all Artifacts.
There's Always Peng! (50) - Find Peng.
Together as One (15) - Reassemble Rosetta.
Under a Buck (10) - Shoot the deer head trophy in the Admiral's Quarters.
Weedkiller (30) - Kill 5 Cysts in the Biology Building with a single poison gas cloud.

Unlock Bonuses
N7 Suit - Have finished Mass Effect 3 save file.
Planet Cracker Plasma Cutter - Have finished Dead Space 2 save file.
Devil's Horns (Foam Finger Weapon) - Complete the game on Classic Mode.
Retro Mode - Complete Hardcore Mode.