: This specific version was delisted from the Xbox Store on May 20, 2022, ahead of the release of Sonic Origins . XBLA Exclusive Features

: A new custom game save option allows players to save their progress anywhere during gameplay, overriding the original Genesis save system.

: Direct transfer from a PC is possible using the Xbox 360 Neighborhood tool.

: Developed by Backbone Entertainment and published by Sega.

: Custom dashboards like Aurora or Freestyle Dash can scan these directories to automatically display the game in the "Arcade" or "Games" library. Core Gameplay Mechanics

: Files can be copied from a FAT32-formatted USB drive using tools like XexMenu .

: Originally released on June 10, 2009, as part of the "Sega Vintage Collection".

: Support for high-definition graphics and a toggleable graphics smoothing filter.