
This game is rated ESRB: Everyone 10+ for Violence and Animated Blood.
Sonic's Ultimate Genesis Collection is a multi-genre compilation developed by Backbone Entertainment and released in 2009 for PlayStation 3 and Xbox 360. It brings together 48 Sega titles — spanning platform, shooter, puzzle, RPG, and arcade genres — originally released across the Mega Drive/Genesis, arcade, and Sega Master System hardware. The lineup includes most of the Sonic the Hedgehog entries from the Genesis era alongside a broad range of other classic Sega properties. The collection expands on the earlier Sega Genesis Collection released for PlayStation 2 and PSP, adding 16 additional games in NTSC regions as well as unlockable bonus content. With its mix of action platformers, role-playing games, and arcade-style titles gathered into a single package, the compilation serves as a substantial retrospective of Sega's output during the 16-bit period and beyond.

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