Mystery Stories: Mountains of Madness: Steam price vs key
Mystery Stories: Mountains of Madness costs €3.85 as a key at BuyCheapKeys, versus a regular price of €8.99 on the Steam Store: you save €5.14 (57% less). The key activates on your Steam account and it's exactly the same game (prices from October 4, 2026).
- Instant deliveryKey by email and in your account
- Full guaranteeReplacement or refund
- Secure paymentCard, PayPal, Google Pay, Apple Pay
- Activates on SteamSame game in your library
- Up to 4% cashbackWith the VIP Club
Should I buy Mystery Stories: Mountains of Madness now? A steal: buy it now
The key costs €5.14 less than the regular Steam price and is at its lowest recorded price.
Price score: 10/10 · The key is 57% below the regular Steam price.
The same game, for less
A Steam key gives you exactly the same as buying on Steam. Only the price changes.
Available Mystery Stories: Mountains of Madness keys
1 offer, sorted by price
- €3.85Buy
Mystery Stories: Mountains of Madness
CheapestSteam keyGlobal-€5.14 compared with Steam
Mystery Stories: Mountains of Madness price history
- Steam€8.99
- BuyCheapKeys key€3.85
We've been tracking this game since October 3, 2026. The chart will appear once there are a few days of data.
How to activate the Mystery Stories: Mountains of Madness key
- 1
Buy the key
Choose the Mystery Stories: Mountains of Madness offer and pay. You get the key instantly.
- 2
Open Steam
Go to “Games” › “Activate a Product on Steam”.
- 3
Redeem and play
Paste the key and the game stays in your library forever.
Mystery Stories: Mountains of Madness FAQ
›How much is Mystery Stories: Mountains of Madness on Steam?
The regular Steam price of Mystery Stories: Mountains of Madness is €8.99. At BuyCheapKeys the Steam key costs €3.85, €5.14 less.
›Where to buy Mystery Stories: Mountains of Madness cheapest?
The cheapest option is the BuyCheapKeys Steam key for €3.85, 57% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Mystery Stories: Mountains of Madness key the same game as on Steam?
Yes. When you redeem the key, Mystery Stories: Mountains of Madness is added to your Steam account with achievements, cloud saves and updates, just as if you bought it on Steam.
›What is the lowest price for Mystery Stories: Mountains of Madness at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €3.85 (October 4, 2026). Today it costs €3.85.
›Will the Mystery Stories: Mountains of Madness key work in my country?
We list Global and Europe region keys. Each BuyCheapKeys product page tells you whether it can be activated in your country before you buy.
›Is it safe to buy from BuyCheapKeys?
Yes. Delivery is instant by email and in your account, we accept card, PayPal, Google Pay and Apple Pay, and every purchase is covered by a replacement or refund guarantee.
›Is Mystery Stories: Mountains of Madness worth it?
It has 92% positive reviews out of 13 on Steam (“Positive”), was released in 2023 and is developed by Cerasus. Genres: Adventure, Casual, Puzzle, Hidden Object.
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Mystery Stories: Mountains of Madness
€3.85