Crazy Climber (クレイジークライマー, Kureijī Kuraimā) is a vertically scrolling video game produced by Nichibutsu (Nihon Bussan) and released for arcades in 1980.

With the goal of scaling a series of skyscrapers using two joysticks (one controlling the left side of the character's body, the other the right) Crazy Climber was the first in a "climbing games" genre which includes Nintendo's 1981 Donkey Kong.

Crazy Climber was the third highest-earning arcade game of 1980 in Japan while also being a commercial success in North America.

[11] In Japan, Crazy Climber was the third highest-grossing arcade game of 1980, just below Pac-Man and Galaxian.

[13] In North America, Crazy Climber was among the top ten highest-earning arcade games in the summer of 1982.