Classic Sonic Re-Defined in Widescreen HD - Explore 4 classic remastered Sonic titles - Sonic the Hedgehog, Sonic 2, Sonic 3 & Knuckles, and Sonic CD in high-definition, with all-new opening and ending animations for each title Classic and Anniversary Modes - Spin Dash your way through numerous zones in Classic mode with the game's original resolution and limited lives, or the new Anniversary mode with unlimited lives and revamped full screen resolution All-In-One Bundle - Includes previously released add-on content: Extreme Missions, Mirror Mode, additional letterbox backgrounds, new character animations in menus, additional music from other Sonic titles, and more New Playable Characters - Play as Sonic, Tails, or Knuckles in Sonic the Hedgehog, Sonic the Hedgehog 2, Sonic 3 & Knuckles, and Sonic CD! And for the first time ever, play as Amy Rose in these legendary classic titles