Unlock all levels
Go to the Extras menu and enter the following: R, R, R, L, L, L to gain access to all levels of the game.
credits:http://www.psxextreme.com/psp-cheats/59/gripshift.html
Go to the Extras menu and enter the following: R, R, R, L, L, L to gain access to all levels of the game.
credits:http://www.psxextreme.com/psp-cheats/59/gripshift.html