Hey, here comes the master of mystery game recommendations! It seems like you are looking for a large-scale puzzle game and a detective game like Mechanical Maze! In this regard, I have a few novels that are very popular with readers, namely "Dark Cage,""Super-real Detective Mystery Game," and "City of Mystery." These novels have complicated plots, hidden mysteries, realistic setting, and exciting reasoning and deciphering. If you like these types of games, these novels will definitely meet your needs. I hope you like this fairy's recommendation. Muah ~😗