Code

Result

BABOON

Unlock the third mission.

BOING

Rubber bouncing grenades.

BULLETZAP

You become immune to bullets.

GLASSJAW

Makes enemies invincible to all except head shots.

GORILLA

Unlock the sixth mission.

HABRDASHR

Enemies wear ammo "hats" that you can grab after you kill them.

LEMUR

Unlock the fifth mission.

LONGSHOTS

All weapons become sniper weapons.

MONKEY

Earn a gold star.

ORANGUTAN

Unlock the second mission.

TIMEWARP

Warp to next level.

URTHEMAN

One hit will kill you.

WHERERU

Makes enemies invisible.