People who have purchased the Mario + Rabbids: Kingdom Battle season pass will find something new to play. The first add-on is the Ultra Challenge Pack and, in some regions, it is already rolling out to people who committed to all the DLC. This adds a Cataclysm Kerfuffle cooperative campaign and Secret Area Special Challenges maps. The official release date for this add-on is October 17, 2017.
In addition, a possible release date for the second Mario + Rabbids: Kingdom Battle add-on has been found. If people purchase the game’s season pass, the receipt offers release dates. It lists the Story Pack as coming on January 16, 2018.
Mario + Rabbids: Kingdom Battle is available for the Nintendo Switch.