Crazy Climber is a vertically scrolling video game produced by Nichibutsu and released for arcades in 1980. In North America, the game was also released by Taito America. Ports for the Arcadia 2001 and Atari 2600 were published in 1982, followed by the Famicom in 1986 and X68000 in 1993.

Nihon Bussan Co. Ltd. was a Japanese video game developer and publisher headquartered in Kita, Osaka. In the past they had also manufactured and sold yachts.