Nightmare of Decay — cheap CD keys, compare prices
Is it worth buying?
Reviews are excellent (Steam 96%) · The price is at or near the lowest we've tracked — a good time to buy
Buy · Steam €1.19
About the game
A first-person action horror game set in a nightmarish manor crawling with zombies, cultists and assorted horrors. Wielding an arsenal of weapons, you fight brutally to survive and escape the decay.
Did you know?
Solo-style title developed and self-published by Checkmaty in 2022, with clear nods to classic survival horror.
Best price today
€1.19
· · 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 €1.07
- On Steam
- €1.19
- all-time low
- €1.1927 Oct
- Average low, 5 mo.
- €2.23
The cheapest Nightmare of Decay key right now costs €1.19 at Steam. (Prices as of )
Offers 1 · PC · from €1.19
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
Oct 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.19 | — |
| Sept 2026 | €1.99 | — |
| Aug 2026 | €1.99 | — |
| Jul 2026 | €1.99 | — |
| Jun 2026 | €3.99 | — |
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 7 | Windows 8.1 |
| Processor | Dual Core 2ghz | Intel i7-4790 |
| Memory | 2 GB RAM | 2 GB RAM |
| Graphics | DirectX 10 Compatible graphics | GeForce GTX 1050 or equivalent |
| DirectX | Version 10 | Version 10 |
| Storage | 1 GB available space | 1 GB available space |
Similar games
Video reviews
4:08 Nightmare of Decay Impressions - Huber Syndrome
Easy Allies
47:16 EVERY HORROR GAME IN ONE | Nightmare of Decay
Markiplier
6:55 Nightmare of Decay Review
tangomushi
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can Nightmare of Decay be played single-player?
Yes, Nightmare of Decay is a single-player game.
What languages does Nightmare of Decay support?
Nightmare of Decay is available in: English, French, Polish, Russian, Simplified Chinese, Traditional Chinese, Spanish - Latin America, Portuguese - Brazil and 7 more.
Does Nightmare of Decay use Steam Cloud saves?
Yes, Nightmare of Decay uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Nightmare of Decay key?
The cheapest Nightmare of Decay key is currently sold by Steam for €1.19. The lowest price we have ever recorded for this game: €1.19.
How much does Nightmare of Decay cost?
Nightmare of Decay currently costs from €1.19 — 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.