Share a Blueprint with your Co-Op partner.
Use quick heal to heal yourself 20 times.
Add a Circuit to a Weapon.
Craft a Weapon.
Use the RIG to give an item to your Co-Op partner.
Survive your first spacewalk.
Save your Co-Op partner from an execution by killing the attacker.
Complete the Prologue.
Obtain all trophies.
Recover the shuttle.
Reach Tau Volantis.
Defeat the Hive Mind.
Kill the Snowbeast.
Reassemble Rosetta.
Reach the Alien Machine.
Defeat the Moon.
Shoot the deer head trophy in the Admiral's Quarters.
Shoot at least 70 targets during the ride to Tau Volantis.
Reach the pump room of the Waystation without alerting any Feeders.
Complete the Drill Room without taking any damage.
Kill 5 Cysts in the Biology Building with a single poison gas cloud.
Complete the game on any difficulty setting.
Complete all optional missions.
Complete the game on Hardcore Mode.
Complete the game in Classic Mode.
Complete the game in Pure Survival Mode.
Collect all Weapon Parts.
Collect all Alien Artifacts.
Collect all Artifacts.
Collect all Logs.
Collect all Circuits.
Find Peng.
Retrieve Resources from a Scavenger Bot at a Bench.
Successfully deploy Scavenger Bots to 15 Resource Areas.
Craft a Large Med Pack.
Craft a Weapon with 2 Tools, Tips, and Attachments with all Circuit slots filled.
Fully upgrade your RIG.
Create a Blueprint that needs at least 2000 resources worth of parts and Circuits to build.
Revive your Co-Op partner 10 times.
Face all of Carver's demons by completing all Co-Op only optional missions.
Kill 30 enemies using Fodder axes.
Kill a Soldier by TK'ing a grenade or rocket back at them.
Kill 10 alien Necromorphs.
Dismember 500 limbs from living enemies.
Dismember 1000 limbs from living enemies.
Kill 50 enemies while they are in stasis.
Kill 30 enemies with explosion damage.
Kill 30 Soldiers with head shots.
Kill 30 enemies using melee strikes or a melee Weapon Part.
Dissolve 50 enemies with acid.
Kill 30 enemies using an electrified Ripper blade.
Complete Dead Space 3 Awakened.
Awakened: Kill the Unitologist Cult Leader.
Awakened: Allow the Unitologist Cult Leader to survive.
Awakened: Escape from Tau Volantis to the Terra Nova.
Complete Dead Space 3 Awakened in Pure Survival Mode
Awakened: Craft a Weapon using a MK-II Weapon Tip.
Awakened: Stasis your Co-Op Partner when he is downed to slow his bleed out timer.
Awakened: Finish charging the reactor in under 90 seconds.
