\"The Nintendo DS classic \'Mario & Luigi: Bowser\'s Inside Story\' is back with more crazy adventures - as \'Mario & Luigi: Adventure Bowser + Bowser Jr.s Journey\' for the systems of the Nintendo 3DS family.
The entire mushroom kingdom suffers from Metabowlie, a nasty disease, and only Mario and Luigi can find a cure for it. But Krankfried made sure that the two brothers were eaten by Bowser!
The two now have to struggle their way through Bowser\'s heart, and Bowser himself must search the kingdom for a cure. To do this they have to switch between Bowser and the brothers.
Mario\'s arch-enemy faces off in giant battles worthy of a king!
Bowser Jr. also tells you for the first time what happened behind the scenes in the main story.\"