The Castle Mystery
Developed by BTD Enterprises Incorporated · Published by BTD Enterprises Incorporated
At a glance
Overview
An action, adventure, indie game by BTD Enterprises Incorporated, published by BTD Enterprises Incorporated — single-player.
Steam’s own one-line description: “The Castle Mystery is a first-person, scavenger-like horror game. One night you receive a letter from an unknown sender. It prompts you to visit a castle and take photos of specific artifacts located within and around the building. A large sum of money is on the line. So is your life.” — 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 The Castle Mystery.
| 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 | Yes |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10, 11 64-bit
- Processor: Dual Quad Core Intel Xeon 2.93 GHz
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 1070 Ti
- Storage: 2 GB available space
- Additional Notes: Further testing is required to determine the actual minimum. This is just what works well.
Recommended
- Requires a 64-bit processor and operating system
Supported languages (1)
The Castle Mystery 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 The Castle Mystery?
Steam classifies The Castle Mystery as a Action, Adventure, Indie game, developed by BTD Enterprises Incorporated. The Castle Mystery is a first-person, scavenger-like horror game. One night you receive a letter from an unknown sender. It prompts you to visit a castle and take photos of specific artifacts located within and around the building. A large sum of money is on the line. So is your life.
How much does The Castle Mystery cost?
As of June 2026, Steam lists The Castle Mystery at $4.99. Prices and regional pricing change — check the Steam page for the current figure.
Is The Castle Mystery single-player or multiplayer?
Steam lists these modes for The Castle Mystery: Single-player. It lists a single-player mode.
Is The Castle Mystery on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists The Castle Mystery for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is The Castle Mystery out yet?
Yes — Steam lists a release date of Oct 6, 2023.
What platforms is The Castle Mystery on?
The Castle Mystery 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 The Castle Mystery single-player or multiplayer?
Steam lists these modes: Single-player.
How much does The Castle Mystery cost?
Steam lists it at $4.99.
Does The Castle Mystery have achievements?
Yes — Steam lists 15 achievements for The Castle Mystery.
Who made The Castle Mystery?
The Castle Mystery is developed by BTD Enterprises Incorporated and published by BTD Enterprises Incorporated.
Where to get The Castle Mystery
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, BTD Enterprises Incorporated.