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A first-person horror game where you step into the shoes of a historian who, on a solo mission, receives a tempting invitation to explore a long-abandoned castle. Drawn by the promise of a generous reward, you accept the offer without hesitation.
Game modes: Single player
Right now the lowest price for The Castle Mystery we're tracking is $4.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for The Castle Mystery is $4.99 at Steam on August 21, 2026. The current best price matches that all-time low — historically a good time to buy.
The Castle Mystery released on October 6, 2023, developed by BTD Enterprises Incorporated and published by BTD Enterprises Incorporated.
The Castle Mystery is available on PC (Microsoft Windows). It supports single player.
The cheapest The Castle Mystery price right now is $4.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $4.99 | Buy The Castle Mystery at Steam |
All-time low: $4.99 at Steam on Aug 21, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
