Press F1 on the options screen, then activate the following cheats by entering the corresponding codes:
CHEAT FUNCTION - CHEAT CODE All tracks - xperts All cars - allvid Crystal cup - glassx Diamond cup - rockyy Zenith cup - zdpeak Scorpion car - desert Cobra car - rattle Cheetah car - runner Panther car - myste
When you have one of the following weapons, hold FIRE until the yellow bar is full, then shoot it. The launched weapon will be better than the normal version, with the following effects.
WEAPON - EFFECT Missile - Big missile that pierces your rivals. Seeker - Basic seeker that is slightly better. Magnet - Wide magnet. Shield - Shield protects you longer. Stinger - Wide stinger. Turbo - Super turbo. Boomerang - Launches all boomerangs at the same time.