Satellite Odyssey: Prologue — cheap CD keys, compare prices
Is it worth buying?
Reviews are excellent (Steam 93%) · The price is well above its low (was €0.90) — worth waiting for a drop or setting an alert Notify me on a drop
About the game
Satellite Odyssey: Prologue is a short first-person narrative adventure with horror elements, developed by Antifreeze Games. Set in a retro-futuristic world inspired by Soviet science fiction cinema, players explore their surroundings alongside an AI companion named Zarya as an atmospheric story gradually unfolds.
Did you know?
Satellite Odyssey: Prologue is a short first-person narrative adventure with horror elements by Antifreeze Games, set in a retro-futuristic world inspired by Soviet science fiction cinema.
Best price today
€1.99
· · 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 €1.79
- On Steam
- €1.99
- all-time low
- €0.9023 Aug
- Average low, 5 mo.
- €1.34
The cheapest Satellite Odyssey: Prologue key right now costs €1.99 at Steam. (Prices as of )
Offers 1 · PC · from €1.99
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 (Aug 2026)
€1.19
Aug 2026
Lowest — keyshops
€0.90
Aug 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.19 | €0.90 |
| Sept 2026 | €1.99 | €0.90 |
| Aug 2026 | €1.19 | €0.90 |
| Jul 2026 | €1.99 | — |
| Jun 2026 | €1.99 | — |
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 10/11 | Windows 10/11 |
| Processor | Intel i5-4670, AMD Ryzen 3 2300U or similar | Intel i7-6800K, AMD Ryzen 5 PRO 1600 or similar |
| Memory | 8 GB RAM | 16 GB RAM |
| Graphics | Geforce GTX 1060, Radeon RX 5600 or similar | Geforce RTX 3080, Radeon RX 6800 or similar |
| DirectX | Version 11 | Version 12 |
| Storage | 8 GB available space | 15 GB available space |
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About this game — FAQ
Can Satellite Odyssey: Prologue be played single-player?
Yes, Satellite Odyssey: Prologue is a single-player game.
Does Satellite Odyssey: Prologue support a controller/gamepad?
Yes, Satellite Odyssey: Prologue has full controller support.
What languages does Satellite Odyssey: Prologue support?
Satellite Odyssey: Prologue is available in: English, Russian, Simplified Chinese.
FAQ
Where is the cheapest place to buy a Satellite Odyssey: Prologue key?
The cheapest Satellite Odyssey: Prologue key is currently sold by Steam for €1.99. The lowest price we have ever recorded for this game: €0.90.
How much does Satellite Odyssey: Prologue cost?
Satellite Odyssey: Prologue currently costs from €1.99 — 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.