Games like Psychic Detective Vol. 1: Invitation

If you finished Psychic Detective Vol. 1: Invitation, the closest matches are Todo Ryuunosuke Tantei Nikki: Kohaku-iro no Yuigon, Psychic Detective Final: Solitude Part 2, Psychic Dectetive Final: Solitude Part 1, Psychic Detective Vol. 4: Orgel and Psychic Detective Vol. 2: Memories. All 6 share its adventure genre and are ranked by how closely their themes and modes overlap.