Serial Thriller is a young, small detective escape room in De Meern (opened around 2025), aimed at Leidsche Rijn, Vleuten, and surrounding areas. The 75-minute room 'Nocturne Academy: the American Geisha case' revolves around missing Yumiko, adopted by American parents and who went to Japan to find her roots; as investigators you reconstruct what went wrong. What's special is the high-score setup: you always reach the end, but are judged on how much evidence you find and how well you solve the case — failure doesn't exist, sloppy investigation does. First reviews on Escapetalk are positive about the strong story, realistic decoration, and varied puzzles; due to the high puzzle density, the venue itself recommends some escape room experience, and public review volume is still thin.