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
Knuckles in Sonic 2
Ristar
"Sonic 3 & Knuckles"
Comix Zone
The Ooze