Type "bubbles" at any menu to enable cheat mode, then activate the following cheats by entering the corresponding codes:
CHEAT FUNCTION - CHEAT CODE God mode NOTE 1 - iamzeus Level select NOTE 2 - thefullmonty Adult textures on special ship - titsoot All weapons, full ammo - iammonty Toggle beam weapons NOTE 3 - jimbeamthis or jimbeam Toggle missile weapons NOTE 4 - lumberjack
NOTE 1: This code activates invincibility, full weapons, unlimited ammo and nitro, four powerpods, and "SPID" and "THIEF" eyeballs. NOTE 2: Press DOWN to select a starting level. Note: It is not possible to get all the crystals if the last level is completed with this cheat. NOTE 3: Press the laser quick key to select normal laser. Press again for electro-beam, and again for the superbeam. NOTE 4: Press the Mug quick key to select normal missiles. Press again for spiraling missiles and again for bouncy missiles. Press Solaris quick key for normal, once again for homing plasma, and once more for extra powerful blue homing plasma.