Bandai Namco has announced a new game titled Once Upon a Katamari, the first mainline entry in the Katamari franchise since 2011, set to launch on October 24, 2025, for PC and Nintendo Switch. Players will take on the role of the King of All Cosmos and explore various historical eras, including feudal Japan and ancient Greece. The game will feature customizable avatars, an original soundtrack, and a new power-up system that includes magnets, rocket boosters, and time manipulation.