The first console video game based on the franchise, titled "Teenage Mutant Ninja Turtles", was released for the Nintendo Entertainment System (NES) by Konami under their "Ultra Games" label in 1989 and later ported to home computers and eventually for the Wii on the Virtual Console. Also released by Konami in 1989 was an arcade game, also titled simply "Teenage Mutant Ninja Turtles", later ported to the NES as "Teenage Mutant Ninja Turtles II: The Arcade Game", leading to an NES-only sequel, ', which used the look of the arcade game, as opposed to the first NES game. The next Turtles game, ', was released in 1991 as an arcade game, and was later ported to the Super Nintendo Entertainment System (Super NES) in 1992, titled "Teenage Mutant Ninja Turtles IV: Turtles in Time", with a sequel numbering to the NES titles appended. ' was also created for the Sega Genesis in the same year, and used many of the art assets from "TMNT IV". There was also a trilogy of TMNT video games for the original Game Boy system made by Konami, consisting of: ', ', and '. As the video game series progressed, and the Ninja Turtles' popularity began to decline in the mid-1990s, the video games changed direction. "" was released as a set of one-on-one fighting game similar to the "Street Fighter" series; versions were released for the NES, SNES, and Genesis, each a distinct game.