 The ports on "Sonic Gems Collection" are Genesis perfect and are the Japanese versions of the games (they are also available on GameTap).The game appears in "Sonic's Ultimate Genesis Collection" for Xbox 360 and PlayStation 3.The game was released for Japan's Virtual Console on May 15, 2007, and then released on North America's on May 21, 2007 and on Europe's on June 1, 2007.