Kaboom! is an action video game published in 1981 by Activision for the Atari 2600. The gameplay was based on the Atari arcade video game Avalanche (1978), with the game now involving a Mad Bomber who drops bombs instead of falling rocks. Kaboom! was programmed by Larry Kaplan with David Crane coding the graphics for the buckets and Mad Bomber. It was the last game designed by Kaplan for Activision, who left the company shortly after the release of the game. The game was later ported by Paul Wilson for the Atari 5200 system.

Activision Publishing, Inc. is an American video game publisher based in Santa Monica, California. It serves as the publishing business for its parent company, Activision Blizzard, and consists of several subsidiary studios. Activision is one of the largest third-party video game publishers in the world and was the top United States publisher in 2016.