Mario + Rabbids Kingdom Battle is an action-adventure turn-based tactics video game developed by Ubisoft Milan and Ubisoft Paris and published by Ubisoft for the Nintendo Switch video game console. The game is a crossover between Nintendo's Mario and Ubisoft's Rabbids franchise. In Kingdom Battle, the story follows Mario, his friends, and a group of Rabbids who try to save the Mushroom Kingdom from invading Rabbids that accidentally misused a powerful invention and began to wreak havoc.

Ubisoft Entertainment SA is a French video game publisher headquartered in Saint-Mandé with development studios across the world. Its video game franchises include Assassin's Creed, Driver, Far Cry, For Honor, Just Dance, Prince of Persia, Rabbids, Rayman, Tom Clancy's, and Watch Dogs.