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