Classic games

Galaxy Force is a shooter that looks like After Burner with a sci-fi setting, where you'll face Space Harrier-style enemy attack waves in space and/or alien planets. Play the Master System version here, online!

Black Belt is a beat 'em up similar to Kung-Fu Master and also an international localization of Hokuto no Ken. The player controls highly skilled karateka who must rescue his beautiful girlfriend from the hands of a powerful scumbag.

Castle of Illusion starring Mickey Mouse is a classic platformer where Minnie has been kidnapped by an evil witch and Mickey has to venture through the mysterious worlds to rescue her. Play its Master System version online!

Psycho Fox is a Master System platformer where a fox, a monkey, a tiger and a hippo must get through seven worlds to rid the land of an evil deity who corrupted the land and created hordes of creatures. It was released in 1989.

R.C. Grand Prix is an isometric racing game where you compete in challenging off-road tracks with the option to upgrade your radio-controlled car with better opponents. It was released in 89 and has multiplayer/PvP mode.

Online version of the MSX port of River Raid, the classic and innovative shooter where you fly a jet up a heavily guarded river in an attempt to destroy bridges that are vital to the enemy.

Fantasy Zone II: The Tears of Opa-Opa is a side-scrolling shooter in which you control a colorful ship to destroy creatures in each world before moving on to the next. Play its Master System's version online here!

After Burner is the classic Sega's shooter where you pilot a F-14 Tomcat and uses its missises and cannon n action-packed battles. Play its Master System version online here!

Dahna: Megami Tanjō is a platform and beat 'em up game with RPG elements where a blonde young woman uses her sword and magic to scroll through fantasy-themed levels. It was released in 91 to Genesis. Play it online!

D. D. Crew is a beat 'em up similar to Final Fight where up to four players fight against an evil gang, using any weapons they can get their hands on. Here you'll have an online version of the game.

Zillion 2: Tri Formation (1988) is a Master System run and gun 2D platformer based on the sci-fi anime series where JJ has to stop the Norsa from invading and rescue his teammates from a gigantic alien battle fortress.

Assault City is a rail shooter that was probably inspired in the anime Zillion and was released to Master System in 1990. Here, the objective is to destroy the control system which forces the robots to kill humans.

Pong Classic is an online remake of the old classic Pong, one of the most known and successful games ever. Just like the original, it features simple controls and graphics and PvP support.

Double Dragon is a beat 'em up from 1987 where two martial artists brothers Billy and Jimmy Lee fight a savage street gang which kidnapped Billy's girlfriend, Marian. Play the Master System version online here!

Zillion is a Master System metroidvania-styled action-platformer from 1987. It's based on the anime and the same name and features an emphasis on exploration and problem-solving in an alien-controlled underground base.