Sonic Mega Collection Plus © 2004 Sega of America, Incorporated.
Compilation of 11 unique Sega games :
"Sonic the Hedgehog" (both Genesis and Game Gear versions)
"Sonic the Hedgehog 2" (Genesis)
"Sonic the Hedgehog 3" (Genesis)
"Dr. Robotnik's Mean Bean Machine" (both Genesis and Game Gear versions)
"Sonic & Knuckles" (Genesis)
"Sonic 3D Blast" (Genesis)
"Sonic Spinball" (Genesis)
"Sonic Blast" (Game Gear)
"Sonic Drift" (Game Gear)
"Sonic Labyrinth" (Game Gear)
"Sonic Chaos" (Game Gear)
Also includes 7 unlockable extras :
"Blue Sphere"
"Flicky" (Genesis/Mega Drive version)
"Knuckles in Sonic 2"
"Ristar"
"Sonic 3 & Knuckles"
"Comix Zone"
"The Ooze"
Game ID: 64057
Sonic Mega Collection Plus for XBOX was released on November 2, 2004 in North America. It was then released in 2005 as one half of a 2-in-1 Platinum Family Hits combo pack [Model SKU-64608] ("Super Monkey Ball Deluxe" was the other half).
Sonic Mega Collection Plus was then re-released alone in 2006 as a Platinum Family Hits edition.
"Sonic Drift" for Game Gear was originally released exclusively in Japan.