Looking for a challenging yet fun halloween puzzle app? well dr zombie is back with his halloween challenge! with loads of puzzles and challenges to solve you will be probably kept busy straight through halloween and past xmas! here is what to expect: 1) simply put - mind numbingly hard spot the difference challenges that will have you convinced all the differences are not there. but we can assure you they are! 2) lots and lots of halloween puzzles for you to solve - including the excrutiatingly hard spiders web puzzle! 3) halloween themed games 4) challenging puzzles for all age groups to enjoy 5) fun! if you need any assistance in the spot the difference games then why not tweet our team by clicking on the marketing link? thank you for visiting dr zombie!