Games like O.M.N.I.S.: Overnight Train

Games like O.M.N.I.S.: Overnight Train include Firewatch, What Remains of Edith Finch, The Long Dark, Journey, and Stray. We matched them by the tags players give O.M.N.I.S.: Overnight Train on Steam (Adventure, Exploration, Walking Simulator, 3D, and Atmospheric): closest matches first, and among equally close ones the better-known games.