Cheat mode:
Press (Pause) and type imabigcheat to enable cheat mode. The sound of a bell will confirm correct code entry:

Result - 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