Select the 'Cheats' option at the main menu. Hit the following color crystals from left to right (in order). Red, Blue, Yellow, Red, Blue, Yellow. To accept the code, perform a downward thrust on the center pedestal piece. A sound will confirm correct code entry. The following codes may now be enabled the same way:
English Language Pc Version Game
Hit Yellow two times, Red two times, Blue-once.
Japanese Language Pc Version Game
Hit Yellow two times, Red four times ,Blue-once.
Japanese Language Playstation2 Version Game
Hit Yellow once, Red four times, Blue once.
Hit Red five times, Blue three times, Yellow once, Red once, Blue two times, Yellow three times.
Unlock Game Completion Bonuses
Hit Red four times, Blue four times, Yellow four, Blue two, Yellow two, Red two times.