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Sony PSP - Rengoku 2 cheats

Unlock the Highest Floor:
Win all 99 stages of H.E.A.V.E.N.

H.E.A.V.E.N. mode 
Beat Gryphus on level 8. 
Go out on the door.
After you reentered to stage 0, after the sequence 
Heaven A, B, C will be unlocked.