Sonic Blast for Master System Game
In a very uncommon game, Sonic and Knuckles must cooperate to defeat Dr. Robotnik over 15 stages.

Sonic the Hedgehog

Sonic 1 Flash Flood

Crazy The Hedgehog

Sonic VR

Sonic Advance 3

In a very uncommon game, Sonic and Knuckles must cooperate to defeat Dr. Robotnik over 15 stages.