These codes will not work in the demo. During gameplay, press Pause to pause your game. Then type in IMABIGCHEAT followed by these codes:

T00 = Removes Top Sidearm
T01 = Credit Drone Top Sidearm
T02 = Plasma Bomb Top Sidearm
T03 = Evolter Top Sidearm
T04 = Matter Disruptor Top Sidearm
T05 = Rebounder Top Sidearm
T06 = A-Matt Boomerang Top Sidearm
T07 = Fragmentor BE800 Top Sidearm
T08 = Bi Partical Cannon Top Sidearm
T09 = Flamer Top Sidearm
T10 = Ion Cannon Top Sidearm
T11 = Magnum 3000DX Top Sidearm
T12 = Dual Laser Top Sidearm
T13 = Torpedo Launcher Top Sidearm
B00 = Removes Bottom Sidearm
B01 = Credit Drone Bottom Sidearm
B02 = Plasma Bomb Bottom Sidearm
B03 = Evolter Bottom Sidearm
B04 = Matter Disruptor Bottom Sidearm
B05 = Rebounder Bottom Sidearm
B06 = A-Matt Boomerang Bottom Sidearm
B07 = Fragmentor BE800 Bottom Sidearm
B08 = Bi Partical Cannon Bottom Sidearm
B09 = Flamer Bottom Sidearm
B10 = Ion Cannon Bottom Sidearm
B11 = Magnum 3000DX Bottom Sidearm
B12 = Dual Laser Bottom Sidearm
B13 = Torpedo Launcher Bottom Sidearm
LIFE = Extra life
CASH = 5,000 credits
ENER = Gives enertron satellite
DYNA = Gives dynamo 500 satellite
MINE = Gives mineslammer satellite
NUKES = Gives you nukes
PULSE = Gives pulse cannon
BLAST = Main weapon to full power
PLASMA = Gives plasma cannon
FLAMES = Temporary invincibility
IMPULSE = Gives impulser engine
WARPTO# = Warp to level # (1-9)
GRAVDIS = Gives gravdis 5 engine
IONISER = Gives hydrogen ioniser engine
MEGAPULSE = Gives Megapulse 2000 engine