Teenage Mutant Ninja Turtles: Turtles in Time released as Teenage Mutant Hero Turtles: Turtles in Time in Europe is an arcade video game produced by Konami. It was the sequel to the 1989 arcade hit. It is a side scrolling beat'em up type game based mainly on the 1987 TMNT animated series, with improved gameplay, graphics and sound, it was released by Konami on September 18, 1991. Originally an arcade game, Turtles in Time was ported to the Super Nintendo Entertainment System in 1992. It was retitled to serve as a sequel to Teenage Mutant Ninja Turtles III: The Manhattan Project. That same year, a game that borrowed many elements, Teenage Mutant Ninja Turtles: The Hyperstone Heist was released for the Mega Drive/Sega Genesis.