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.
Complete the game on any difficulty setting
Get 100 soldiers to scream
Make it from one end of the lake to the other in hyperspeed
Punt 20 Bombas
Get 50 headshots
Melee 5 soldiers
Kill a soldier with a Bomba
Destroy the helicopter attacking the vice president
Complete the game with 100% of the items
Complete the game with less than 13% of items
Complete the three challenge packs in the Proving Grounds
Level up to experience level 50