Fatal Labyrinth is a role-playing video game produced by Sega. Originally available exclusively on the Sega Meganet multiplayer gaming service in 1990, it was later remade for the Sega Mega Drive in 1991. The game appears in Sonic's Ultimate Genesis Collection for Xbox 360 and PlayStation 3. The game was released on September 13, 2010 for Steam. A spiritual sequel entitled Dragon Crystal was released for Sega Master System and Game Gear.