SpaceEngine: Steam price vs key
SpaceEngine costs €24.69 as a key at BuyCheapKeys, versus a regular price of €28.99 on the Steam Store: you save €4.30 (15% 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 SpaceEngine now? Cheaper than Steam
The key costs €4.30 less than the regular Steam price and is at its lowest recorded price. With 96% positive reviews, it's a safe buy.
Price score: 3/10 · The key is 15% 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 SpaceEngine keys
1 offer, sorted by price
- €24.69Buy
SpaceEngine (Steam Gift)
CheapestSteam GiftGlobal-€4.30 compared with the Steam regular price
SpaceEngine price history
- Steam regular price€28.99
- BuyCheapKeys key€24.69
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 SpaceEngine key
- 1
Buy the key
Choose the SpaceEngine 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.
SpaceEngine FAQ
›How much is SpaceEngine on Steam?
The regular Steam price of SpaceEngine is €28.99. At BuyCheapKeys the Steam key costs €24.69, €4.30 less.
›Where to buy SpaceEngine cheapest?
The cheapest option is the BuyCheapKeys Steam key for €24.69, 15% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the SpaceEngine key the same game as on Steam?
Yes. When you redeem the key, SpaceEngine 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 SpaceEngine at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €24.69 (October 3, 2026). Today it costs €24.69.
›Will the SpaceEngine 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 SpaceEngine work on Steam Deck?
Valve rates it “Unsupported” on Steam Deck. Once the key is activated on Steam you can play it on Steam Deck just like on PC.
›Is SpaceEngine worth it?
It has 96% positive reviews out of 15,948 on Steam (“Overwhelmingly Positive”), was released in 2019 and is developed by Cosmographic Software. Genres: Open World, Sci-fi, Casual, Sandbox.
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SpaceEngine
€24.69