All aboard for an island-hopping RPG adventure with Mario and Luigi! The brothers set sail on Shipshape Island (half ship, half island) to explore the vast world of Concordia. Play as the mustachioed couple and explore islands ranging from rainforests to bustling cities. Along the way, meet new friends to aid you on your journey and encounter familiar faces from the Mushroom Kingdom like Peach and Bowser. Keep the “Brotherhood” afloat and rely on Mario and Luigi’s bond to save the day by using Bros. Moves to overcome obstacles and powerful Bros. Attacks to claim victory in a dynamic take on turn-based combat.