Nintendo DS classic, Mario & Luigi: Bowsers Inside Story, is back for more gut-busting adventures in Mario & Luigi: Bowsers Inside Story + Bowser Jr. s Journey for Nintendo 3DS family systems. Mario and Luigi have been tasked with finding a cure for the blorbs, a disease threatening all life in the Mushroom Kingdom. But, thanks to Fawful, both brothers have been devoured by Bowser; Release date: 25 January 2019. This item is FREE delivery. Suitable for the Nintendo 3DS. The big bad will even beef up for monstrous boss battles fit for a king; Take em down in this action-packed RPG, and find out what happens behind the scenes in the untold story of Bowser Jr. For ages 3 years and over.