Nihon Kotsu as the "Prince of Taxis." The company was founded as a sole proprietorship in 1928 and reorganized as a stock company in December 1945. It began as a limousine operator and expanded to taxi service in 1940. NK operates the most popular taxi hailing mobile application in Japan, Japan Taxi. Toyota invested 500 million yen in the app in 2017, followed by a second 7.5 billion investment in 2018. Tokyo Musen, a major rival of Nihon Kotsu in the Tokyo area, joined the app later that year in an effort to counterbalance foreign rivals such as Uber and Didi Chuxing.
Space Taxi and a shooting robot relating to "RobotWar" (1981, Silas S. Warner). Kutcher wrote "Space Taxi" while a freshman at Hopkins University. The physics in the game were influenced by "Lunar Lander". "Space Taxi" was cloned several times for the Amiga, once keeping the original name and once as "AirTaxi". A similar game on the PC was called "Ugh!", where the player controls a caveman with a flying contraption. For Windows Phone a remake of the first eight levels was published in 2012 as "Sketch Taxi". "Space Taxi 2", an authorized sequel to "Space Taxi", was released by Twilight Games in