From the back of the box (Eu version): Freaky tilting action! Tilt your system to rock Yoshi's Island, which has been transformed into a pop-up book, and master the challenges of the Spirits! Gather coins, save the Egglings, hunt down Bowser, tilt the world to your liking in this awesome adventure and make use of the new and innovative Tilt Sensor, which will put the "motion" in "emotion"!