System:
Sega Master System
Generation:
Third
Release Date:
(JP) October 1985 (with the name Mark III)
(NA) June 1986
(EU) September 1987
(JP) October 1987 (with the name Master System)
Sonic Game List:
Sonic The Hedgehog
Sonic The Hedgehog 2
Sonic Chaos
Dr. Robotnik's Mean Bean Machine
Sonic the Hedgehog Spinball
Sonic Blast (Brazil only)