Play this excellent free online game conversion as Sonic Knuckles, Tails or Cream - click start to play. Sonic the hedgehog was first launched
in 1991 on the genesis (mega drive), and quickly became sega's No.1
The 2D platform game was first released on the genesis and due to its success was then ported to the Master System and Game Gear. Sonic's main enemy in the game is Dr.Ivo "Eggman" Robotnik who wants to take control of the Earth and destory the loveable hedgehog.
The inlay card for the original Genesis cartridge