Alex Kidd in Shinobi World 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. Alex Kidd in Shinobi World is a single title from the many adventure 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. Alex Kidd in Shinobi World game is from the various retro games on the site, and there are more games like this, including Alex Kidd in Miracle World, The Legend of Zelda: Ocarina of Time and Shinobi III - Return of the Ninja Master.