Step on 40 enemies after using the Shrinker on them.

Listen to Developer Commentary (Use at least one trigger).

Finish any level on "Damn, I'm Good" difficulty.

Kill every enemy on a level.

Complete "Alien World Order" on any difficulty.

Complete "Shrapnel City" on any difficulty.

Carry all weapons with ammo at once.

Complete "L.A. Meltdown" on any difficulty.

Use a cheat code.

Complete the Game

Ram 10 motorcycles

Mark 30 enemies

Play in the water in the dam in Halebidu