Sonic Mega Collection Plus © 2005 Sega Europe, Limited.

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

Plus these 7 unlockable extras :
"Blue Sphere"
"Comix Zone"
"Flicky"
"Knuckles in Sonic 2"
"Ristar"
"Sonic 3 & Knuckles"
"The Ooze"