Games like Observer Protocol: The Station - First Shift

Games like Observer Protocol: The Station - First Shift include The Operator, Unheard - Voices of Crime, The Room Two, The Painscreek Killings, and Firework. We matched them by the tags players give Observer Protocol: The Station - First Shift on Steam (Simulation, Interactive Fiction, Puzzle, Hidden Object, and 3D): closest matches first, and among equally close ones the better-known games.