Mario & Luigi: Bowser's Inside Story is a lengthy RPG, very durable and profound; perfect for almost any type of player. Ending the Adventure Mode can take some 25 hours, but that is without counting the several extra challenges that help prolong the experience. The game is of average difficulty, and has a very funny plot and narrative style.
This game boasts an enormous fun factor, and is also filled with references to the Mario universe. It sports playability reminiscent of Super Mario RPG, and is bolstered by a few contemporary elements, such as a soundtrack by Yoko Shimomura and 'retro pure' sprite art. All these elements combine to form one of the best cartridges for the DS, and one of the best Nintendo releases of 2009. Mario & Luigi: Bowser's Inside Story is a unique game, a must for any DS owner who loves the franchise or the genre.