Games like Gakkou de Atta Kowai Hanashi S

If you finished Gakkou de Atta Kowai Hanashi S, the closest matches are Wipeout, Tecmo's Deception: Invitation to Darkness, The Adventure of Little Ralph, Echo Night 2: Nemuri no Shihaisha and Kowloon's Gate. All 9 share its visual novel genre and are ranked by how closely their themes and modes overlap.