Dead Space 3 Cheats - PlayStation 3

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

Additionally, there are eight Awakened DLC trophies:

Heretic (Bronze) - Awakened: Kill the Unitologist Cult Leader.
Just the Tip (Silver) - Awakened: Craft a weapon using a MK-II Weapon Tip.
Bad Moon Rising (Silver) - Complete Dead Space 3 Awakened.
Get to the Chopper! (Silver) - Awakened: Escape from Tau Volantis to the Terra Nova.
Heaven Can Wait (Bronze) - Awakened: Stasis your Co-Op partner when he is downed to slow his bleed out timer.
Pure Lunacy (Silver) - Complete Dead Space 3 Awakened in Pure Survival Mode.
Supercharger (Bronze) - Awakened: Finish charging the reactor in under 90 seconds.
True Believer (Bronze) - Awakened: Allow the Unitologist Cult Leader to survive.

Unlock Previous Game Bonuses
Have a game save from Dead Space 2 and Mass Effect 3 to unlock N7 Armor Suit and Planet Cracker Plasma Cutter.

Unlock Bonuses
+3 reload circuit set - Beat the game on normal difficulty.
+3 speed circuit set - Beat the game on hard difficulty.
+3 Clip circuit set - Beat the game on casual difficulty.
+3 damage circuit set - Beat the game on impossible difficulty.
Builder's Circuit Set - Collect all 12 Blueprints.
Comms Circuit Set - Collect all 36 Audio Logs.
Crafter's Circuit Set & Deep Dig Suit - Collect all 73 Weapon parts.
Flight Suit - Collect all 40 artifacts.
Hostile Enviornment Suit - Finish all 10 optional missions in co-op mode.
Mega Resources Deposit - Beat Pure Survival mode in New Game+.
Devil Horns - Beat Classic mode in New Game+.
Devil's Horns - Beat the game on classic mode.
Earthgov, Unitology, S.C.A.F., and Alien Circuit Sets - Collect all of the specific set of artifacts.
Engineering Suit - Beat the game on any difficulty.
Mk-II Overclock Parts Set - Beat Pure Survival mode in New Game+.
Mk-II Overclocked Attachment Set - Collect all 61 Circuits.
MK-II Overclocked Frame Set - Complete all 10 optional missions.
MK-II Overclocked Module Set - Collect all 71 logs.
Mk-II Overclocked Tip Set & flight Suit - Collect all 40 artifacts.
Research Circuit Set - Collect all 35 Text Logs.
Retro Mode - Beat Hardcore mode in New Game+.