Achievements
Complete each achievement to get the allotted gamerscore:
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.
Unlock GamerPics
Picture of an Enemy - Beat the First Trantula.
Another picture of the Enemy - Get the facemask/100% your armor.
Golden Weapons
Collect all 12 Gold Bars to unlock a secret room with golden versions of every weapon.
Unlock Level Bonuses
Complete Map (including weapon upgrades) - Reach Level 20.
Infinite Foam Ammo - Reach Level 30.
Infinite Grenade Ammo - Reach Level 40.
Infinite Rocket Ammo - Reach Level 50.
Quickly Regenerate Health/Ammo
Health and ammo at save points does not regenerate quickly on its own, and its usually not enough to meet your needs. After saving at a checkpoint, leave the room then pause the game and choose "Load Checkpoint." This will save your ammo and health settings and warp you back to the checkpoint where the health and ammo is available for pickup once again!
Unlock Full Map
When you reach level 20, the map is unlocked with locations all items, weapons and more, all represented on the map (they will appear as "?").
Color Coding
The following barriers can be penetrated by the weapons listed below:
Red - Missiles.
Purple - Foam.
Blue - Friction Dampener.
Orange - Fire Arms.
Green - Grenades.