Games like Tantei Jinguji Saburo DS: Kienai Kokoro

If you finished Tantei Jinguji Saburo DS: Kienai Kokoro, the closest matches are Judgment, The Room 4: Old Sins, Blacksad: Under the Skin, Omensight and Twin Mirror. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.