Five steps
Pick a category. Press a row of The boards. Read the tag on each poster. Open the film page. Press Watch now.
The Devil himself
Rosemary's Baby, The Devil's Advocate, The Seventh Seal and The Witches of Eastwick.
Possession and exorcism
The Exorcist III, The Conjuring, Poltergeist and Evil Dead II.
Hell, witches and cults
Hellraiser, The Witch, The Wicker Man and Constantine.