Mickey's Ultimate Challenge is an online GEAR game that you can play at Emulator Online. This free Sega Game Gear game is the United States of America region version for the USA. It has been played 570 times so far and was posted on January 17, 2018. Mickey's Ultimate Challenge is a single title from the many adventure games, arcade games and platform games that we offer for this console. If you enjoyed playing this, then you can find similar games in the gear games category. Mickey's Ultimate Challenge game is from the various retro games on the site, and there are more games like this, including Mickey's Speedway USA, Ultimate Mortal Kombat Trilogy and Super Street Fighter II: The New Challengers.