Mario & Luigi: Brothership[a] is an upcoming role-playing video game published by Nintendo and the sixth main installment in the Mario & Luigi series. It will be the first original entry in the series since Mario & Luigi: Paper Jam (2015), the first that is not developed by AlphaDream after its closure in October 2019, the first that features fully 3D gameplay, and the first for a home console.[b] The game was announced in a Nintendo Direct on June 18, 2024, and is scheduled for release on the Nintendo Switch on November 7, 2024.