Games like Gakkou de Atta Kowai Hanashi

If you finished Gakkou de Atta Kowai Hanashi, the closest matches are Vampire: The Masquerade - Bloodlines 2, The Room 4: Old Sins, Omensight, Rusty Lake: Roots and Rusty Lake Hotel. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.