This page contains Shinobi Codes for TurboGrafx 16 called "Invincibility" and has been posted or updated on Aug 5, 2009 by hjmiller.
- Developer: Dual
- Publisher: Asmik Ace Entertainment, Inc
- Genre: Action
- Release: Dec 8, 1989
- ESRB: Not Set
If you push [II], [I], [I], [II] at the beginning of the game (on the main screen), then you will be invincible.
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