Unlike standard releases, these ISO files are patched to run on any Sega CD hardware regardless of the console's home region.
A popular variant of "liberado" ISOs allows players to enjoy the Japanese/European soundtrack while playing the English-localized (NTSC-U) version of the game. Sonic liberado [NTSC][PAL][ISO]
Originally released in . The "Liberado" versions are community-patched "scene" releases. Unlike standard releases, these ISO files are patched