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