匿名信：隐匿者 / Anonymous Letter ：Prowler
Developed by 元气工作室 · Published by 元气工作室
At a glance
Overview
An adventure, casual, indie game by 元气工作室, published by 元气工作室 — single-player.
Steam’s own one-line description: “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！” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for 匿名信：隐匿者 / Anonymous Letter ：Prowler.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS: XP, 7, 8, 10
- Processor: Intel Pentium III 800 MHz+
- Memory: 2 GB RAM
- DirectX: Version 9.0
- Additional Notes: 需要 500 MB 可用空间
Recommended
- OS: XP, 7, 8, 10
- Processor: Intel Pentium III 800 MHz+
- Memory: 2 GB RAM
- DirectX: Version 9.0
- Additional Notes: 需要 500 MB 可用空间
Supported languages (2)
匿名信：隐匿者 / Anonymous Letter ：Prowler FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is 匿名信：隐匿者 / Anonymous Letter ：Prowler?
Steam classifies 匿名信：隐匿者 / Anonymous Letter ：Prowler as a Adventure, Casual, Indie, Simulation, Strategy game, developed by 元气工作室. 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！
How much does 匿名信：隐匿者 / Anonymous Letter ：Prowler cost?
As of June 2026, Steam lists 匿名信：隐匿者 / Anonymous Letter ：Prowler at $1.99. Prices and regional pricing change — check the Steam page for the current figure.
Is 匿名信：隐匿者 / Anonymous Letter ：Prowler single-player or multiplayer?
Steam lists these modes for 匿名信：隐匿者 / Anonymous Letter ：Prowler: Single-player. It lists a single-player mode.
Is 匿名信：隐匿者 / Anonymous Letter ：Prowler on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists 匿名信：隐匿者 / Anonymous Letter ：Prowler for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is 匿名信：隐匿者 / Anonymous Letter ：Prowler out yet?
Yes — Steam lists a release date of Feb 2, 2020.
What platforms is 匿名信：隐匿者 / Anonymous Letter ：Prowler on?
匿名信：隐匿者 / Anonymous Letter ：Prowler is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is 匿名信：隐匿者 / Anonymous Letter ：Prowler single-player or multiplayer?
Steam lists these modes: Single-player.
How much does 匿名信：隐匿者 / Anonymous Letter ：Prowler cost?
Steam lists it at $1.99.
Does 匿名信：隐匿者 / Anonymous Letter ：Prowler have achievements?
Yes — Steam lists 16 achievements for 匿名信：隐匿者 / Anonymous Letter ：Prowler.
Who made 匿名信：隐匿者 / Anonymous Letter ：Prowler?
匿名信：隐匿者 / Anonymous Letter ：Prowler is developed by 元气工作室 and published by 元气工作室.
Where to get 匿名信：隐匿者 / Anonymous Letter ：Prowler
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, 元气工作室.