CastleStorm
All offers (17)
Compare the platform, region and delivery before you buy.
Standard Edition 12 offers · EU & Global
CastleStorm PC Steam CD KeyActivation keySteamGlobalLowest price€1.12+ payment feeView deal
CastleStorm EN/DE/FR/IT/JA/RU/ES/HU GlobalActivation keySteamGlobal€1.30+ service feeView deal
CastleStorm Steam Key GLOBALActivation keySteamGlobal€1.38+ fee possibleView deal
CastleStorm (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€1.41no Plus, no ProtectView deal- CastleStorm (PC) Steam Key EUROPEActivation keySteamEurope€1.62+ fee possibleView deal
CastleStorm (PC) Steam Key - GLOBALActivation keySteamGlobal€1.89+ service feeView deal
CastleStorm Steam Key GLOBALActivation keySteamGlobal€2.01+ service feeView deal
CastleStorm Steam Key: GlobalActivation keySteamGlobal€2.16View deal
Complete Edition 3 offers · EU & Global
- Castlestorm Complete Edition Steam GiftSteam giftSteamGlobal€12.34+ payment feeView deal
- CastleStorm Complete Edition EN/DE/FR/IT/JA/RU/ES/HU GlobalActivation keySteamGlobal€12.75+ service feeView deal
- Castlestorm Complete Edition (PC) - Steam Key - GLOBALActivation keySteamGlobal€16.53+ service feeView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€9.99No feeView on Steam
You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.
Best price over the last 32 days
- Lowest €0.9913 Oct 2026
- Highest €1.1911 Oct 2026
- Today €1.11
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Screenshots
Buy CastleStorm key: current price comparison
Where is the CastleStorm key cheapest?
The cheapest CastleStorm key that activates in the EU currently costs €1.12 at Kinguin. Keyfinder compares 17 offers from 8 shops for this price. That is 89% less than the Steam price of €9.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What does the CastleStorm key cost on each platform?
The cheapest key per platform right now: PC €1.12 at Kinguin and Xbox €5.55 at Eneba.
What was the lowest CastleStorm key price in the last 32 days?
€0.99 on 13 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €1.19 on 11 Oct 2026; today the cheapest key costs €1.11.
Which CastleStorm keys activate in the EU?
17 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam and Xbox.
How do I activate the CastleStorm key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a CastleStorm key from Kinguin?
Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.
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About CastleStorm
Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.
- Developer
- Zen Studios
- Publisher
- Zen Studios
- Release date
- 29 Jul 2013
- Steam
- View on Steam