REVENGE OF SHINOBI, THE CHEAT CODES
None.
REVENGE OF SHINOBI, THE TIPS & TRICKS
Unlimited Knives
At The very beginning of the game go to the options menu and change the number of weapons to 00, then do not do ANYTHING for ten seconds, then the 00 will become an infinity sign and your weapons will never run out.
REVENGE OF SHINOBI, THE UNLOCKABLES
None.