Complete each achievement to receive the allotted gamerscore.
Unlockable How to Unlock Bomba Punter (20) Punt 20 Bombas Completionist (20) Complete the game with 100% of the items Hero (50) Complete the game on any difficulty setting Let's Get Punchy (15) Melee 5 soldiers Look Out! (5) Kill a soldier with a Bomba Make 'Em Scream (20) Get 100 soldiers to scream Minimalist (10) Complete the game with less than 13% of items My Head A-splode (20) Get 50 headshots Proven Grounds (10) Complete the three challenge packs in the Proving Grounds Serious Complex (10) Level up to experience level 50 To Kill a Blackbird (15) Destroy the helicopter attacking the vice president Walkin' on Water (5) Make it from one end of the lake to the other in hyperspeed
Contributed By: Guard Master.
There are 2 gamer pictures that can be unlocked while playing.
Unlockable How to Unlock Another picture of the Enemy Get the facemask/100% your armor Picture of an Enemy Beat the First Trantula
Contributed By: Kankui.
Collect all 12 Gold Bars to unlock a secret room. This secret room will be marked on your map and contains golden versions of every weapon.
Contributed By: gibloaf.
Reach certain levels to receive different bonuses. All bonuses are carried over to New Game+ after obtaining the weapon again.
Unlockable How to Unlock Complete Map (including weapon upgrades) Level 20 Health Boost (Permanent collectible-like boost) Level 10 Infinite Foam Ammo Level 30 Infinite Grenade Ammo Level 40 Infinite Rocket Ammo Level 50
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