Sonic Jam
"Sonic Jam" is a compilation which contains the four main "Sonic the Hedgehog" games released on the Sega Genesis: "Sonic the Hedgehog", "Sonic the Hedgehog 2", "Sonic the Hedgehog 3", and "Sonic & Knuckles". Unlike future "Sonic" collections, "Sonic Jam" does not use a Genesis emulator; the games are proper ports, and all are nearly identical to the original Sega Genesis releases, with the exception of minor bug fixes. "Sonic Jam" emulates "Sonic & Knuckles" "lock-on technology"—a special feature that allows the player to merge elements of "Sonic & Knuckles" into previous games, resulting in changes to the level design as well as the choice to play as Knuckles the Echidna in "Sonic the Hedgehog 2" and Tails in "Sonic & Knuckles".
Sonic Spinball
The game has been rereleased on 11 different platforms. The Genesis version of the game has been rereleased on the "Sonic Mega Collection" compilation for the Nintendo GameCube, PlayStation 2, Xbox and PCs, "Sonic's Ultimate Genesis Collection" for the Xbox 360 and PlayStation 3, and multiple iterations of the "Sega Smash Pack" series of compilations. The Game Gear version appears as an unlockable game in "" for the GameCube and PC, as well as "Sonic Gems Collection" for the GameCube and PlayStation 2. The game was intended to be included in the "Sonic Classic Collection" for the Nintendo DS, but was cut for unspecified reasons. The Genesis version was released on the Wii's Virtual Console on March 12, 2007 in North America and April 5, 2007 in Europe. An emulated form of the game was also made available for iOS devices via Apple's App Store in 2010, but was later removed along with other Sega titles in 2015. On September 13, 2010, it was released on Steam.