Mischief Makers is a side-scrolling platform game developed for the Nintendo 64 gaming console by Treasure, and published in 1997 by Enix in Japan and by Nintendo internationally. The player assumes the role of Marina Liteyears, a robotic maid who journeys to rescue her creator, Professor Theo, from the emperor of Planet Clancer. The gameplay is displayed in 2.5D, based on grabbing, shaking, and throwing objects within five worlds and 52 levels. It is the first 2D side-scrolling game for the Nintendo 64, and Treasure's first release for a Nintendo console. The 12-person team began development in mid-1995 with little knowledge of the prototype console. The team wanted to make a novel gameplay mechanic, and implementing the resultant "catching" technique became their most difficult task. The game was announced at the 1997 Electronic Entertainment Expo and was released in Japan on June 27 that year and later in the United States, Europe, and Australia. Mischief Makers received mixed reviews. Critics praised its inventiveness, personality, and boss fights, but criticized its short length, low difficulty, low replay value, sound, and harsh introductory learning curve. Retrospective reviewers disagreed with the originally poor reception, and multiple reviewers noted Marina's signature "Shake, shake!" sound bite as a highlight. Video game journalists appealed for its reissue either through the Nintendo eShop or in a sequel or franchise reboot. In 2009, GamesRadar called it possibly the most underrated Nintendo 64 game.