Press ~ during game play, then enter one of the following codes to activate the corresponding cheat function:

Effect - Code

Next weapon level - cheat nextweapon
Previous weapon level - cheat previousweapon
Super shield - cheat supershieldon
Super shield disabled - cheat supershieldoff
Super attack - cheat superattackon
Super attack disabled - cheat superattackoff
Anti bonuses disabled - cheat noantibonuson
Anti bonuses enabled - cheat noantibonusoff
Set weapon level to 15 - cheat maxweapon
Toggle sound - sound
Toggle frame rate display - fps
Toggle dialogue speed - fastdialog
Toggle explosions - explosions
Toggle debris - debris
Reload graphics - renew
Display version number - author
Display registration code - regcode
Display current pilot name - pilotname
Disable all cheats - cheat alloff

Note: High scores are disabled when cheats are enabled.