- Play as four different Mushroom Kingdom characters, and recover all 150 Power Stars!
- Mario, Luigi, and Wario set out for a party at Princess Peach's castle but arrive to find it empty except for Yoshi.
- They soon discover that Bowser has stolen the Power Stars and imprisoned the Toads.
- Enter all of the castle paintings, and save the day! Then try out some action-packed minigames!