If you liked this
Games like Unholy Souls
If you finished Unholy Souls, the closest matches are Digital Devil Story: Megami Tensei, Coerced Cage, Grave of Träumerei, Utakata no Alice: Dolls infeRno and Chondriatic. All 10 share its role-playing (rpg) genre and are ranked by how closely their themes and modes overlap.
