Press F1 to activate the cheats (can only be entered once per stage):

     HEALME: Full health
     HOLOKURTISFUN: Decoy increase
     ILIKETOLOB: Mortar gun increase
     INEEDABIGGUN: Gatt gun increase
     KILL: Suicide
     MAKEMEFULL : Health increase
     MASTERBLASTER: Gatt powerup
     NASTYSHOTTHANKS: Homing sniper grenade gun increase
     TORNADOAWAY: Twister gun increase
     TWISTANDSHOUT: Tornado

Vernankhint