The Revenge of Shinobi Gameshark Codes (USA)
This page contains Gameshark cheat codes for The Revenge of Shinobi (USA). If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Anyone playing on a physical Gameboy will need to purchase a physical Gameshark device to use these codes.
If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working.
Don't see the code you're looking for on this page? Head on over to my The Revenge of Shinobi (USA) CodeBreaker Codes and check for your code there instead!
Unlimited Lives: 03000DC5 00000009
Unlimited Spirit Magic: 12000074 00000364
Unlimited Stars: 03000DC4 00000009
Access All Paths: 030006DC 00000014
Gate Open: 03000018 00000001
Have Key: 03000014 00000001
Have All Spirit Magic