Sonic Mega Collection Plus © 2004 Sega Enterprises, Limited.

Compilation of 11 unique Sega games :
Sonic the Hedgehog (both Mega Drive and Game Gear versions)
Sonic the Hedgehog 2 (Mega Drive)
Sonic the Hedgehog 3 (Mega Drive)
Dr. Robotnik's Mean Bean Machine (both Mega Drive and Game Gear versions)
"Sonic & Knuckles" (Mega Drive)
Sonic 3D Blast (Mega Drive)
Sonic Spinball (Mega Drive)
"G Sonic" (Game Gear)
"Sonic Drift" (Game Gear)
"Sonic Labyrinth" (Game Gear)
"Sonic & Tails" (Game Gear)

Also includes these unlockable extras :
"Blue Sphere"
Flicky
Knuckles in Sonic 2
Ristar
"Sonic 3 & Knuckles"
Comix Zone
The Ooze