Exorcist is a mobile game where the player takes the role of an exorcist, which fight against creatures of the underworld to exorcise and to record them in his book of shadows. By means of a mechanical drawing glyphs, patterns that are made by connecting several points, it is possible to attack creatures that find exorcist. At each level you can find different creatures. The player's goal is to travel the underworld in search of new creatures to attach them in your Book of Shadows.