Game Completion Rewards:
By completing... ...you receive a:
Casual +3 CLP Circuit Set
Normal +3 RLD Circuit Set
Hard +3 SPD Circuit Set
Impossible +3 DMG Circuit Set
Pure Survival Mode:
Enemies only drop resources, and theres no ammo, health, or weapon parts to be found. Completion unlocks the MK-II Overclocked Parts Set and a Mega Resource Deposit.
New Game+ is unlocked after you complete the game once. Your inventory will stay the same, but your chapter progress is reset.
Hardcore mode is harder then the Hard and Impossible modes, you can only save three times during the entire campaign and you're limited to 1 existence. Upon completion you unlock the "Devil Horns", a very special weapon, similar to the foam finger from Dead Space 2.
Complete Hardcore mode to unlock the Retro Mode.
The Classic Mode is a rewind to the original Dead Space. Single-player only, with no cross-hairs or any resource management elements.
By collecting... ...you unlock the:
All Weapon Parts Crafter's Circuit Set
All Blueprints Builder's Circuit Set
All Circuits MK-II Overclocked Attachment Set
All Logs MK-II Overclocked Module Set
All Text Logs Research Circuit Set
All Audio Logs Comms Circuit Set
All Artifacts MK-II Overclocked Tip Set
All EarthGov EarthGov Circuit Set
All Unitology Unitology Circuit Set
All SCAF SCAF Circuit Set
All Alien Alien Circuit Set
To unlock the... ...you have to:
Deep Dig Suit Collect all weapon parts.
Flight Suit Collect all artifacts.
Hostile Environment Suit Complete all 10 optional missions.
Dead Space Legends Suit Set Complete the game.
First Contact Outfit Included in the Limited Edition.
Witness Suit Included in the Limited Edition.
Optional Missions Reward:
By completing all 10 optional missions you receive a Hostile Environment Suit and the MK-II Overclocked Frame Set.