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