Nuclear Nightmare — cheap CD keys, compare prices
Is it worth buying?
Reviews are solid (Steam 81%) · The price is well above its low (was €1.37) — worth waiting for a drop or setting an alert Notify me on a drop
About the game
Nuclear Nightmare is a cooperative action-adventure where a specialized team of players retrieves classified materials while evading the black goo virus and the monsters it spawns. Time is limited as the US government prepares a nuclear strike to contain the spreading threat.
Did you know?
Nuclear Nightmare is an Early Access co-op action-adventure in which a team retrieves classified materials while fleeing the black goo virus and its monsters before a nuclear strike.
Best price today
€6.89
· · 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 €6.20
- On Steam
- €6.89
- all-time low
- €1.371 Sept
- Average low, 5 mo.
- €3.58
The cheapest Nuclear Nightmare key right now costs €6.89 at Steam. (Prices as of )
Offers 1 · PC · from €6.89
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Top 10 Adventure games
- 1
AION 2 PC - 2
Moon Sweepers PC · 2026 from €7.64 - 3
Enshrouded PC · 2024 from €30.86 - 4
Marvel Rivals PC · 2024 - 5
STAR WARS: Galactic Racer™ PC · 2026 from €29.19 - 6
Aniimo PC · 2026 - 7
Apex Legends™ PC · 2020 - 8
Once Human PC · 2024 - 9
over the hill PC from €5.49 - 10
Rust PC · 2018 from €22.99
Lowest official since we started tracking (Jul 2026)
€1.37
Sept 2026
Lowest — keyshops
€1.59
Sept 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.37 | — |
| Sept 2026 | €1.37 | €1.59 |
| Aug 2026 | €6.89 | €7.78 |
| Jul 2026 | €2.75 | €1.37 |
| Jun 2026 | €6.89 | — |
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 Core i5-7500 or AMD Ryzen 3 3300X | Intel Core i7-8700 |
| Memory | 8 GB RAM | 16 GB RAM |
| Graphics | NVIDIA GeForce 1060 GTX or AMD Radeon RX 5700 | NVIDIA GeForce 3070 RTX |
| DirectX | Version 12 | Version 12 |
| Storage | 13 GB available space | 13 GB available space |
Similar games
Video reviews
28:04 We Played Nuclear Nightmare Again
SMii7Yplus
21:13 The Terrifying Nature of Nuclear Nightmare
Sunflower
12:39 ULTIMATE Beginner's Guide to Nuclear Nightmare (Infected, Objectives, Items & More)
DrybearGamers
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Does Nuclear Nightmare have co-op?
Yes, Nuclear Nightmare supports online co-op.
Does Nuclear Nightmare have multiplayer?
Yes, Nuclear Nightmare has multiplayer.
Can Nuclear Nightmare be played single-player?
Yes, besides multiplayer modes, Nuclear Nightmare can also be played solo (single-player).
What languages does Nuclear Nightmare support?
Nuclear Nightmare is available in: English, Russian.
Does Nuclear Nightmare use Steam Cloud saves?
Yes, Nuclear Nightmare uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Nuclear Nightmare key?
The cheapest Nuclear Nightmare key is currently sold by Steam for €6.89. The lowest price we have ever recorded for this game: €1.37.
How much does Nuclear Nightmare cost?
Nuclear Nightmare currently costs from €6.89 — 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.