Full list of all 12 Shadow Complex achievements worth 200 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Level up to experience level 50
Complete the game with less than 13% of items
Complete the three challenge packs in the Proving Grounds
Complete the game on any difficulty setting
Complete the game with 100% of the items
Make it from one end of the lake to the other in hyperspeed
Get 100 soldiers to scream
Punt 20 Bombas
Get 50 headshots
Kill a soldier with a Bomba
Melee 5 soldiers
Destroy the helicopter attacking the vice president