Teenage Mutant Ninja Turtles is a side-scrolling platform game for the Nintendo Entertainment System released by Konami (under the Ultra Games imprint) in 1989. Loosely based on the 1987 Teenage Mutant Ninja Turtles animated series, being released after the show's second season, it is notably one of the first video games based on the property alongside the arcade game (also developed by Konami) released during the same year.