CartridgeFantasy Zone was the first ever Master System game to be released on cartridge. With their 32 kilobyte limitation, Sega Cards were no longer a viable option for modern games.
Opa-OpaThe main character of this game, Opa-Opa, has been an unofficial mascot of sorts for Sega, and has been seen in other games such as Zillion, Alex Kidd, and Phantasy Star Online.
Information also contributed by chirinea
Contributed by J. Michael Bottorff (1814) on Sep 04, 2003. [revised by : MobyGames was killed by GameFly (89481)].