Take a trip back in time with over 40 titles from the SEGA Genesis™ era, including your Sonic The Hedgehog favorites, in Sonic's Ultimate Genesis Collection™! Each title has been upgraded to Hi-Definition and the classic 2-D style never looked so good. Take down a huge variety of enemies in classic single-player and multiplayer battles, including Sonic's nemesis Dr. Eggman (aka Dr. Robotnik), shuriken-flinging ninjas, hordes of altered beasts, and the world's greatest fighting champions!

• The largest collection of classic SEGA titles: All the favorites are here including Sonic The Hedgehog, titles from the Phantasy Star™ series, as well as three titles from the Streets of Rage™ series, to name just a few.
• Unlockable content: Unlock arcade games and interviews with the original game developers as you earn achievements on Xbox 360®.
• All titles upgraded to hi-def: The classic 2-D style never looked so good! Each of the titles has been converted to hi-def (1080p) and will be a blast to play using the intuitive controls of Xbox 360.
• Massive multiplayer options: Play these classics together with a friend from the same console at home.

• Sonic's Ultimate Genesis Collection™ Community Forum