Shinobi is an online MASTER game that you can play at Emulator Online. This free Sega Master System game is the United States of America region version for the USA. Shinobi is a single title from the many arcade games, action games and shinobi games offered for this console. If you enjoyed playing this, then you can find similar games in the master games category. Shinobi game is from the various retro games on the site, and there are more games like this, including Shinobi III - Return of the Ninja Master, Naruto Shippuu Den: Shinobi Retsuden III and Naruto Shippuden Shinobi Retsuden 2.