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".
Vectorman
Vectorman is a series of run and gun platform games developed by BlueSky Software and published by Sega for the Sega Mega Drive/Genesis. The first game in the series was released on October 24, 1995 in North America and on November 30, 1995 in Europe. The games have since appeared on several game compilations, including the "Sega Genesis Collection" for the PlayStation 2 and PlayStation Portable, the "Sonic Gems Collection" for the Nintendo GameCube, and "Sonic's Ultimate Genesis Collection" for Xbox 360 and PlayStation 3. "Vectorman" was added to the Wii Virtual Console on February 27, 2007, in Japan and April 5, 2007, in Europe, and in North America on September 22, 2008. It was also released on the digital distribution service Steam as part of the "SEGA Genesis Classics Pack" and as a standalone title. Vectorman was ported to iOS and Android in 2018 as part of the Sega Forever service.