the arcade version has been attacked by a tecnecal bug, similar to the famous "suaside battery", that destroys the sound hardware (klov.org) Add
Did You Know?
In comparison to the original arcade version, there are a few missing features in the TurboGrafx-16 version (the status of the other home conversions is unknown): the machine gun, the bonus round and a few enemies (including the boss of the second mission).
Shinobi in Japanese means: stealing (into); spy; sneak thief; surreptitious visit to house of ill repute. The Chinese character displayed on the title screen and throughout the game is the character for Shinobi in Japanese. Add