Prime Monster: Steam price vs key
Prime Monster costs €14.69 as a key at BuyCheapKeys, versus a regular price of €19.99 on the Steam Store: you save €5.30 (27% 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 Prime Monster now? Great time to buy
The key costs €5.30 less than the regular Steam price and is at its lowest recorded price.
Price score: 5/10 · The key is 27% 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 Prime Monster keys
1 offer, sorted by price
- €14.69Buy
Prime Monster
CheapestSteam keyGlobal-€5.30 compared with the Steam regular price
Prime Monster price history
- Steam regular price€19.99
- BuyCheapKeys key€14.69
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 Prime Monster key
- 1
Buy the key
Choose the Prime Monster 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.
Prime Monster FAQ
›How much is Prime Monster on Steam?
The regular Steam price of Prime Monster is €19.99. At BuyCheapKeys the Steam key costs €14.69, €5.30 less.
›Where to buy Prime Monster cheapest?
The cheapest option is the BuyCheapKeys Steam key for €14.69, 27% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Prime Monster key the same game as on Steam?
Yes. When you redeem the key, Prime Monster 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 Prime Monster at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €14.69 (October 4, 2026). Today it costs €14.69.
›Will the Prime Monster 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.
›Does Prime Monster work on Steam Deck?
Valve rates it “Playable” on Steam Deck. Once the key is activated on Steam you can play it on Steam Deck just like on PC.
›Is Prime Monster worth it?
It has 82% positive reviews out of 309 on Steam (“Very Positive”), was released in 2026 and is developed by Cavalier Game Studios. Genres: Roguelite, Deckbuilding, Card Battler, Strategy.
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Prime Monster
€14.69