Demonsomnia — cheap CD keys, compare prices
Is it worth buying?
- Reviews are mixed. (Steam 35%)
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Demonsomnia is a co-op bodycam horror title in Early Access, set in a radiation-ravaged environment. Players must don a gas mask, work together to activate a nuclear reactor device, and escape before mutants catch them.
Did you know?
Demonsomnia is a co-op bodycam horror in Early Access, set in a radiation-ravaged environment where a team activates a nuclear reactor and flees from mutants.
Best price today
€11.60
all-time low: official €11.60 near low
The cheapest Demonsomnia key right now costs €11.60 at Steam. The lowest price we have recorded for this game: €11.60.
The average low over the past 5 months was €11.60.
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Lowest — official stores
€11.60
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €11.60 | — |
| Sept 2026 | €11.60 | — |
| Aug 2026 | €11.60 | — |
| Jul 2026 | €11.60 | — |
| Jun 2026 | €11.60 | — |
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
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All-time low so far: €11.60
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10, 64 Bit | Windows 10 - 64 bit |
| Processor | Intel Core i5-4430 / AMD FX-6300 | Intel Core i7-6700K or AMD Ryzen 5 2600X |
| Memory | 8 GB RAM | 32 GB RAM |
| Graphics | NVIDIA GTX 970 / AMD Radeon R9 390 | NVIDIA RTX 2060 / AMD Radeon RX 5700 |
| DirectX | Version 11 | Version 12 |
| Storage | 20 GB available space | 20 GB available space |
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About this game — FAQ
Does Demonsomnia have co-op?
Yes, Demonsomnia supports online co-op.
Does Demonsomnia have multiplayer?
Yes, Demonsomnia has multiplayer.
Can Demonsomnia be played single-player?
Yes, besides multiplayer modes, Demonsomnia can also be played solo (single-player).
What languages does Demonsomnia support?
Demonsomnia is available in: English, French, Italian, German, Spanish - Spain, Simplified Chinese, Japanese, Korean and 4 more.
Does Demonsomnia use Steam Cloud saves?
Yes, Demonsomnia uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Demonsomnia key?
The cheapest Demonsomnia key is currently sold by Steam for €11.60. The lowest price we have ever recorded for this game: €11.60.
How much does Demonsomnia cost?
Demonsomnia currently costs from €11.60 — 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.