Guardian of Darkness is an action game with puzzle-solving elements. Ekna is an exorcist monk from the "The Gate", an ultra-secret organization regularly sends him on the most perilous missions involving the paranormal. The first level starts with an investigation of an haunted museum. His assistant Edward Burnst will train him how to use his different spells. After each level, Ekna returns to his headquarters, the Tenebrans where he can get his orders from "The Gate" and get his specials weapons like grenades or energy power ups.