Nintendo has stated that the developer of Mario and Luigi: Brothership won't be revealed until the game's launch. Mario and Luigi: Brothership is the newest entry in the beloved RPG series after a long absence, launching late into the Nintendo Switch's lifespan. This game was first revealed during the June 2024 Nintendo Direct, featured alongside a number of other Switch exclusives, like Metroid Prime 4: Beyond, The Legend of Zelda: Echoes of Wisdom, and Super Mario Party Jamboree.