匿名信：隐匿者 / Anonymous Letter ：Prowler — Steam game overview

Stored observation / content update: 2026-10-25T18:15:59.000Z

Anonymous letter puzzle series 2，A novel form of puzzle solving combined with interesting gameplay，It has beautiful pictures and rich plots.Players need to explore puzzles step by step through rigorous scrutiny and logical ability，Puzzle solving enthusiasts are advised to have an in-depth experience！

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.