Super Mario Maker is a 2015 side-scrolling platform game and game creation system developed and published by Nintendo for the Wii U, releasing worldwide in September 2015. Players are able to create and play their own custom courses, based on Super Mario Bros., Super Mario Bros. 3, Super Mario World and New Super Mario Bros. U, share them online, and download and play courses designed by other players. Super Mario Maker received positive reviews upon its release, with reviewers praising the game's user interface and course editing tools. By May 2016, over seven million courses had been created by players worldwide, which had been played over 600 million times. An adapted port of the game for the Nintendo 3DS, titled Super Mario Maker for Nintendo 3DS, was developed by Redmond-based subsidiary Nintendo Software Technology and released in December 2016. A sequel, Super Mario Maker 2, was released for the Nintendo Switch in June 2019. On November 25, 2020, Nintendo formally announced that players would no longer be able to upload new courses on March 31, 2021 and that the game would no longer be available to purchase on the Wii U's Nintendo eShop on January 12, 2021. The Super Mario Maker bookmark portal site was also discontinued on January 13, 2021.