In the game's levels, you are casper. You must stop your three uncles from doing their favorite pasttime: scaring your young and nice friend, Holly. Your three uncles, fatso, stretch and stinky are hidden in the decor and can appear at any time. You must hurry! If you see an object that seems to prevent one of the ghosts from appearing. You can move casper towards towards this object and left-click your mouse on it. You can then move casper and have him place the object where you want.
