Kerbal Space Program: Steam price vs key
Kerbal Space Program costs €8.41 as a key at BuyCheapKeys, versus a regular price of €36.99 on the Steam Store: you save €28.58 (77% less). The key activates on your Steam account and it's exactly the same game (prices from October 3, 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 Kerbal Space Program now? A steal: buy it now
The key costs €28.58 less than the regular Steam price and is at its lowest recorded price. With 95% positive reviews, it's a safe buy.
Price score: 10/10 · The key is 77% 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 Kerbal Space Program keys
1 offer, sorted by price
- €8.41Buy
Kerbal Space Program
CheapestSteam keyEurope-€28.58 compared with the Steam regular price
Kerbal Space Program price history
- Steam regular price€36.99
- BuyCheapKeys key€8.41
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 Kerbal Space Program key
- 1
Buy the key
Choose the Kerbal Space Program 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.
Kerbal Space Program FAQ
›How much is Kerbal Space Program on Steam?
The regular Steam price of Kerbal Space Program is €36.99. At BuyCheapKeys the Steam key costs €8.41, €28.58 less.
›Where to buy Kerbal Space Program cheapest?
The cheapest option is the BuyCheapKeys Steam key for €8.41, 77% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Kerbal Space Program key the same game as on Steam?
Yes. When you redeem the key, Kerbal Space Program 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 Kerbal Space Program at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €8.41 (October 3, 2026). Today it costs €8.41.
›Will the Kerbal Space Program 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 Kerbal Space Program 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 Kerbal Space Program worth it?
It has 95% positive reviews out of 121,197 on Steam (“Overwhelmingly Positive”), was released in 2015 and is developed by Squad. Genres: Space, Simulation, Sandbox, Physics.
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Kerbal Space Program
€8.41