Mario and Luigi are back in an all-new platformer for Nintendo DS. Boasting incredible 3D graphics to accompany classic 2D gameplay, this fast-paced adventure features 8 new worlds filled with extra levels, and secrets galore. There are 2 multiplayer modes: Mario vs. Luigi and Minigames. In Mario vs. Luigi mode, it's brother vs. brother in a race to collect the Stars that appear at timed intervals. This mode is available for two players, and you only need one game card to play.