Games like Shall we date?: Guard Me, Sherlock!

If you finished Shall we date?: Guard Me, Sherlock!, the closest matches are Mizen Tantei: The Protea Cases, Shoujo Shuryou no Suiri Ryouiki: Kogane Shima no Mitsuyaku, Apartment No. 9, Amnesia and Harakuju Tantei Gakuen: Steel Wood. All 8 share its visual novel genre and are ranked by how closely their themes and modes overlap.