demon slotDemon On Slot Theme. Demon is an on slot from Play n Go with a hellish theme. The game is definitely desned to creep you out a bit, as the slot seems to be set inAbout Demon Slot. The game has 5 reels, 3 rows, and 30 fixed pay-s. You can wager from 30 cents to 90€ per spin on desktop laptops and PCs, tablets and mobile devices.