Here is the full list of all 39 Shadow Complex Remastered achievements.
Complete the game at 100% in under 2 hours on any difficulty
Complete the game at 100% in under 3 hours on insane
Level up to experience level 50
Complete the game at 4% with only the Flashlight, Backpack, Grenade, Foam and Missile
Complete the game with less than 13% of items
Defeat an XOS-1 soldier with the Inertial Element
Kill 200 soldiers with a gun emplacement
Run 10 kilometers total in hyperspeed
Take 20 rides on the mine cart
Complete the three challenge packs in the Proving Grounds
Complete the game with 100% of the items
Do 5 consecutive headshots without reloading or taking damage
Collect all the grenade packs
Collect all the missile packs
Get 100 soldiers to scream
Collect all the gold bars
Knock back enemies 1 kilometer total with melee attacks
Complete the game on any difficulty setting
Complete the game with 8 Health Packs, 19 Grenade Packs, 20 Foam Packs and 9 Missile Packs (8/19/2009)
Complete the final fight in less than 1 minute 30 seconds.
Unlock the entire game map
Complete the Omega Armor
Collect all the foam canisters
Collect all passkeys
Do a triple jump
Kill an enemy with the Hookshot.
Make it from one end of the lake to the other in hyperspeed
Defeat a Devastator with a foam grenade
Perform each type of melee attack (Dropkick, Hanging Takedown, Drop-down Takedown, Double Takedown)
Defeat a Spidertank by drowning it
Level up to experience level 10
Punt 20 Bombas
Get 50 headshots
Rescue Claire
Complete the game by abandoning Claire to her fate
Melee 5 soldiers
Kill a soldier with a Bomba
Turn on your flashlight
Destroy the helicopter attacking the vice president