Embark on a thrilling adventure with Mario & Luigi RPG 2x2 (J) for Nintendo DS (NDS) ROMs, where players control both Mario and Luigi in a unique RPG experience. The game features innovative gameplay mechanics that require players to strategically control both characters simultaneously, adding a new layer of depth to the classic RPG formula. Fans of action-packed RPGs and Nintendo DS classics will find themselves immersed in the charming world of Mario & Luigi RPG 2x2 (J).