The religious imagery is very funny- you're just a little dragon collecting bibles to defeat a cute little Satan.

On first glance it seems like a cheap knockoff of Pac-Man, but the Devil's screen-moving mechanic, though simple, really transforms the stage and makes the play really engaging. That being said, it's a very simple game, with only one stage and a couple enemy types. Good, challenging fun, but runs it's course pretty quick.