Must have played/completed the game and have a save file on your system.
N7 Suit - Mass Effect 3 Save File
Planet Cracker Plasma Cutter - Dead Space 2 save file
Devil's Horns (Foam Finger Weapon) - Complete the game on Classic Mode
Retro Mode - Complete Hardcore Mode
If you have played/completed Mass Effect 3 on the same system you play Dead Space 3 on you will be awarded Commander Shephards N7 suit at the start of game and will be available at any suit kiosk during the game anytime.
Pure Lunacy 50 Complete Dead Space™ 3 Awakened in Pure Survival Mode.
Just the Tip 20 Awakened: Craft a weapon using a MK-II Weapon Tip.
Heaven Can Wait 20 Awakened: Stasis your Co-Op partner when he is downed to slow his bleed out timer.
Supercharger 20 Awakened: Finish charging the reactor in under 90 seconds.
Get On My Level 10 Complete the game on any difficulty setting.
The Explorer 25 Complete all optional missions.
Aren't You Thankful? 50 Complete the game on Hardcore Mode.
Epic Tier 4 Engineer 40 Complete the game in Classic Mode.
Survivalist 40 Complete the game in Pure Survival Mode.
Gun Collector 25 Collect all Weapon Parts.
The Professor 25 Collect all Artifacts.
The Librarian 25 Collect all Logs.
The Armorer 25 Collect all Circuits.
There's Always Peng! 50 Find Peng.
My Buddy 10 Retrieve Resources from a Scavenger Bot at a Bench.
Metal Detector 30 Successfully deploy Scavenger Bots to 15 Resource Areas.
Strapped 10 Craft a Weapon.
Circuit's Edge 10 Add a Circuit to a Weapon.
EMT 25 Craft a Large Med Pack.
Full House 25 Craft a Weapon with 2 Tools, Tips, and Attachments with all Circuit slots filled.
RIG Master 50 Fully upgrade your RIG.
Master Plan 25 Create a Blueprint that needs at least 2000 resources worth of parts and Circuits to build.
From the Jaws 10 Save your Co-Op partner from an execution by killing the attacker.
Share and Share Alike 10 Use the RIG to give an item to your Co-Op partner.
Medic! 10 Revive your Co-Op partner 10 times.
Ghosts of the Past 25 Face all of Carver’s demons by completing all Co-Op only optional missions.
Architect 10 Share a Blueprint with your Co-Op partner.
Axes High 20 Kill 30 enemies using Fodder axes.
Payback 15 Kill a Soldier by TK'ing a grenade or rocket back at them.
Go for the Limbs! 10 Dismember 500 limbs from living enemies.
And Then We Doubled It! 10 Dismember 1000 limbs from living enemies.
Slow Mo 10 Kill 50 enemies while they are in stasis.
Blast Corps 10 Kill 30 enemies with explosion damage.
Shootbang 10 Kill 30 Soldiers with head shots.
Empty Chamber 10 Kill 30 enemies using melee strikes or a melee Weapon Part.
Dropping Acid 10 Dissolve 50 enemies with acid.
Electric Lawnmower 10 Kill 30 enemies using an electrified Ripper blade.
Overpowered Healing 10 Use quick heal to heal yourself 20 times.