Type at the title screen:
 
 RUSH - Silly ships
 
 Type at the main menu:
 
 XTEAM - Enable Piranha team
 XCLASS - Enable Phantom class
 XTRACK - All tracks
 
 Pause the game during a race and type:
 
 PSYMEGA - Infinite weapons
 PSYPROTECT - Infinite energy
 PSYTICKER - Infinite time
 PSYRAPID - Machine gun
 FRAMERATE - Display frame rate