Ghosts, vampires, scary things under the bed PathPix Boo will keep you spooked! You'll enjoy 99 colorful Halloween-themed puzzles, small to huge, easy to extreme. Not sure which PathPix to buy? Here's the lineup: There are many different PathPix apps for your Android phone or tablet. All puzzles are different. PATHPIX LITE: Wondering if PathPix is for you? Start here.