Sonic Mega Collection Plus © 2005 Sega Europe, Limited.

PAL release.

Compilation of 13 unique Sega games:
Sonic the Hedgehog [Model 1009-50] (Mega Drive)
Sonic The Hedgehog [Model 2408] (Game Gear)
Sonic the Hedgehog 2 [Model 1051-50] (Mega Drive)
Sonic 3 [Model 1079-50] (Mega Drive)
"Dr. Robotnik's Mean Bean Machine [Model 1706-50] (Mega Drive)
"Dr. Robotnik's Mean Bean Machine [Model 670-4127-50]" (Game Gear)
"Sonic & Knuckles [Model 1563-50]" (Mega Drive)
"Sonic 3D - Flickies' Island [Model MK-1844-50]" (Mega Drive)
"Sonic Spinball [Model 1537-50]" (Mega Drive)
"Sonic Blast [Model 2573-50]" (Game Gear)
"Sonic Drift Racing [Model 2563-50]" (Game Gear)
"Sonic Labyrinth [Model 2584-50]" (Game Gear)
"Sonic Chaos [Model 2515-50]" (Game Gear)

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