A little difficult...
For the scare part to come up, you have to get to a certain part of the maze. But it is so hard to get there! So hard, if fact, that some of the kids I tried to sucker with this app could not get to that point! Hell, I could barly do it! Maybe you could offer a choice of mazes? Some not so hard? Maybe? Hmm?
I eat flies about Scary Maze