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.
Olha Demo
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.
NightMare Bonus
Beat the Nightmare Mode and you will get a screenshot of Crevia surviving the fall of Napishtim.
Nightmare Mode
Simply beat the game on any mode in order to unlock Nightmare difficulty.
Time Attack Mode
To unlock Time Attack mode, in which you can fight any of the bosses in the game, beat the game on any difficulty. Time Attack mode can be attempted on any of the three difficulties, no matter which difficulty you beat it on.
Unlock Crevia Omake Image
Clear the game once to unlock Nightmare level of difficulty. Clear the game on Nightmare difficulty to unlock a picture of Crevia during the ending credits.