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A point-and-click puzzle game where you have to solve intriguing riddles around different boxes and discover some cool stories about popular inventions!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
To unlock the boxes of this escape room game, you have to interact with objects, handles, buttons, and wheels on each side. You can find puzzle pieces on the side of the boxes as well.
The illusion of holding a real object in total darkness is compelling!
Once you open all 8 boxes of a Level Pack, you can compose a puzzle and find a brief history of the discovered invention.
Think outside of the box to solve all enigmas, it's not always an easy job to escape the rooms!
Play the game with your headphones on to get immersed in this amazing adventure!
Got stuck on some riddle? Tap the bulb button to get a helpful hint!
Available in English, French, Italian, German, Spanish, Russian, and Japanese*
*The game language will change automatically based on the language settings of your device
Hi there, Frank Eno here. I have been creating escape room and puzzle games since 2020 under the name of XSGames, doing everything myself: code, graphics, music, design, concept, etc.
Lowest tracked price: PLN 13.79 (Jul 7, 2026) · current best: PLN 22.99.
72% positive reviews all-time.
Right now the cheapest offer for Mystery Box: Hidden Secrets is PLN 22.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Mystery Box: Hidden Secrets is PLN 13.79 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Mystery Box: Hidden Secrets drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
