sentences:  Many of these were racing games that used electro-mechanical projection technology, such as "Racer" (1970), "Formula-X" (1975) and "F-1" (1976).In 1972, Nakamura visited the Japanese branch of Atari, formed by Nolan Bushnell as a response to the country's vast market and enthusiasm for arcade games.With the business struggling, Atari Japan was closed in 1974 and put up for auction — Nakamura saw this as the perfect opportunity to get into the video game market and purchased it for US$500,000, beating rival Sega's offer of US$50,000.