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Playstation - Advanced Variable Geo cheats

Unlock K1 boss or K2 boss as playable character:
Finish the game in story mode on hard mode. 
After that, you can select  K1 and K2 in the Vs. mode.

Advanced Variable Geo Game Shark Codes:
                   
Unlimited Time      
800140A4 0000
                   
Unlimited Health Player 1 
80022704 0000