You can find the game Comix Zone on Sega Genesis game cartridge
You can also find the game on the Virtual Console
You can find the game included in Sega Genesis Collection or Sonic Mega Collection Plus for Playstation 2
You can also find the game included in the Sonic's Ultimate Genesis Collection for Playstation 3 or Xbox 360.
You can also find the game included in the Atgames Sega Genesis mini console.