SpaceEngine — cheap CD keys, compare prices
Is it worth buying?
Reviews are excellent (Steam 96%) · The price is well above its low (was €17.39) — worth waiting for a drop or setting an alert Notify me on a drop
About the game
SpaceEngine is a science-based interactive 3D planetarium that models the entire universe, using procedural generation for uncharted regions. Users can freely travel from planets to galaxies in a photorealistic depiction of the cosmos. It is developed by Cosmographic Software.
Did you know?
SpaceEngine combines real astronomical catalogs with procedural generation to fill in parts of the universe that have not yet been observed.
Best price today
€28.99
· · check “Region” on the seller’s page
Steam · Official store · Steam
Global key · check “Region” on the seller’s page
You pay Steam directly · same price as on their site
Notify me when it drops below €26.09
- On Steam
- €28.99
- all-time low
- €17.392 Oct
- Average low, 5 mo.
- €22.95
The cheapest SpaceEngine key right now costs €28.99 at Steam. (Prices as of )
Offers 1 · PC · from €28.99
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
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Lowest official since we started tracking (Jul 2026)
€17.39
Oct 2026
Lowest — keyshops
€21.36
Aug 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €17.39 | — |
| Sept 2026 | €28.99 | €30.76 |
| Aug 2026 | €20.29 | €21.36 |
| Jul 2026 | €28.99 | €19.07 |
| Jun 2026 | €28.99 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 | Windows 10 |
| Processor | Intel Core i3-3220T or AMD FX-4100 | Intel Core i5-4430 or AMD FX-8350 |
| Memory | 6 GB RAM | 8 GB RAM |
| Graphics | GeForce GTX 1050 Ti or Radeon RX 460 (4 GB) | GeForce GTX 1060 (5/6 GB) or Radeon RX 480 (8 GB) |
| Storage | 4 GB available space | 50 GB available space |
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Video reviews
10:25 Real Pictures VS SpaceEngine
Space Chip
9:25 The True Scale of the Universe - SpaceEngine
Space Chip
41:32 SpaceEngine Exploration #1
Space Chip
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can SpaceEngine be played single-player?
Yes, SpaceEngine is a single-player game.
What languages does SpaceEngine support?
SpaceEngine is available in: English, German, Russian, Italian, French, Finnish, Polish, Spanish - Latin America and 10 more.
FAQ
Where is the cheapest place to buy a SpaceEngine key?
The cheapest SpaceEngine key is currently sold by Steam for €28.99. The lowest price we have ever recorded for this game: €17.39.
How much does SpaceEngine cost?
SpaceEngine currently costs from €28.99 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.