Cheat Mode...
	Double weapons...

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. Enter one of the following codes to activate the corresponding cheat function.

Effect	Code
5,000 credits.	cash
A-Matt Boomerang bottom weapon	b06
A-Matt Boomerang top weapon	t06
Bi Partical Cannon bottom weapon	b08
Bi Partical Cannon top weapon	t08
Credit Drone bottom weapon	b01
Credit Drone top weapon	t01
Dual Laser bottom weapon	b12
Dual Laser top weapon	t12
Dynamo 500 satellite	dyna
Enertron satellite	ener
Evolter bottom weapon	b03
Evolter top weapon	t03
Extra life	life
Flamer bottom weapon	b09
Flamer top weapon	t09
Four nuclear weapons	nuke
Fragmentor BE800 bottom weapon	b07
Fragmentor BE800 top weapon	t07
Gravdis 5 engine	gravdis
Hydrogen Ioniser engine	ioniser
Ion Cannon bottom weapon	b10
Ion Cannon top weapon	t10
Jump to level in current episode	warpto
Magnum 3000DX bottom weapon	b11
Magnum 3000DX top weapon	t11
Matter Disruptor bottom weapon	b04
Matter Disruptor top weapon	t04
Megapulse 2000 engine	megapulse
Mineslammer satellite	mine
Plasma Bomb bottom weapon	b02
Plasma Bomb top weapon	t02
Plasma main weapon	plasma
Power up current main weapon	blast
Pulse main weapon	pulse
Rebounder bottom weapon	b05
Rebounder top weapon	t05
Removes bottom weapon	b00
Removes top weapon	t00
Short term invincibility.	flames
Standard Impulser engine	impulse
Torpedo Launcher bottom weapon	b13
Torpedo Launcher top weapon	t13

Buy 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.