- Sonic the Hedgehog
- Sonic the Hedgehog 2
- Sonic the Hedgehog 3
- Sonic & Knuckles
- Sonic 3D Blast
- Sonic Spinball
- Dr. Robotnik's Mean Bean Machine
- Blue Sphere
- Knuckles the Echidna in Sonic the Hedgehog 2
- Sonic 3 & Knuckles
- The Ooze (Japan Only but was included in Plus)
The game was also released as Sonic Mega Collection Plus for the Sony Playstation 2 and Microsoft Xbox. It added the Game Gear games Sonic the Hedgehog, Sonic Chaos, Sonic Drift, Sonic Labyrinth, Dr. Robotnik's Mean Bean Machine, and Sonic Blast.
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