Press PAUSE and type imabigcheat to enable cheat mode. The sound of a bell will confirm correct code entry. Note: High scores are disabled in cheat mode. Activate the following cheats by entering the corresponding codes:
CHEAT FUNCTION - CHEAT CODE Power up current main weapon - blast Plasma main weapon - plasma Pulse main weapon - pulse 5,000 credits. - cash Short term invincibility - flames Four nuclear weapons - nuke Extra life - life Jump to level in current episode - warpto<level 1-9> Standard Impulser engine - impulse Hydrogen Ioniser engine - ioniser Megapulse 2000 engine - megapulse Gravdis 5 engine - gravdis Enertron satellite - ener Mineslammer satellite - mine Dynamo 500 satellite - dyna Removes top weapon - t00 Credit Drone top weapon - t01 Plasma Bomb top weapon - t02 Evolter top weapon - t03 Matter Disruptor top weapon - t04 Rebounder top weapon - t05 A-Matt Boomerang top weapon - t06 Fragmentor BE800 top weapon - t07 Bi Partical Cannon top weapon - t08 Flamer top weapon - t09 Ion Cannon top weapon - t10 Magnum 3000DX top weapon - t11 Dual Laser top weapon - t12 Torpedo Launcher top weapon - t13 Removes bottom weapon - b00 Credit Drone bottom weapon - b01 Plasma Bomb bottom weapon - b02 Evolter bottom weapon - b03 Matter Disruptor bottom weapon - b04 Rebounder bottom weapon - b05 A-Matt Boomerang bottom weapon - b06 Fragmentor BE800 bottom weapon - b07 Bi Partical Cannon bottom weapon - b08 Flamer bottom weapon - b09 Ion Cannon bottom weapon - b10 Magnum 3000DX bottom weapon - b11 Dual Laser bottom weapon - b12 Torpedo Launcher bottom weapon - b13
Start a single player game, pass the shop, then start a level. After that, exit back to the main menu. Start a new game or load saved game, then go to the shop and repeatedly press KEYPAD 5 to get 5,000 credits each time that key is pressed.
Purchase a weapon and attach it to your ship, then select "Swap". When the second weapon is on the ship, quickly press P to begin game play. If done correctly, you will have two of the same weapon for the price spent on just one.