Teenage Mutant Ninja Turtles: The Cowabunga Collection is an upcoming compilation of video games developed by Digital Eclipse and published by Konami. It features thirteen Teenage Mutant Ninja Turtles video games developed by Konami during the 80s and 90s. The Cowabunga Collection adds save states, rewind functions, button mapping, as well as online capabilities in certain games and local co-op in all games where it was originally intended. It also features an in-game museum that offers previously unseen development art, sketches and game design material for the titles.