Games like G-Mode Archives+: Tantei Kibukawa Ryousuke Jiken-tan Vol. 5 - Kurai Hako no Ue

If you finished G-Mode Archives+: Tantei Kibukawa Ryousuke Jiken-tan Vol. 5 - Kurai Hako no Ue, the closest matches are Schrödinger's Call, AI: The Somnium Files - Nirvana Initiative, Corpse Party II: Darkness Distortion, Your Turn to Die: Death Game by Majority and Lux-Pain. All 9 share its adventure genre and are ranked by how closely their themes and modes overlap.