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70% positive of 247 · Mostly Positive · Live from Steam
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Nuclear war simulator is a detailed realistic simulation and visualization of large-scale nuclear conflicts with a focus on humanitarian consequences. It lets you design conflict scenarios and estimate the consequences using a population density map and realistic weapons effects.
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Works, but may need extra effort. Results from Valve's own testing.
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Review score: 70% on 2026-11-01 → 70% today (247 reviews)
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Open Beta
The latest Nuclear War Simulator update is now live, introducing new scenarios, expanded missile defence capabilities, and additional layers to the game's economic model.The update adds new scenarios showcasing the existing nuclear arsenals of multiple countri…
Build 418New features and changes:the number of injured people is calculatedtotal casualties (fatalities + injuries + fatal cancers) are calculatedexpanded the display of results of the simulationthe area and volume of the destroyed building are calculated and…
Hi everyone, Update v1.00.0415 has been released. NOTE: Initially this patch released with incomplete patch notes, below is now the complete listBug fixes and minor improvements: fixed: cancer rate was hard-coded. Now it will be used from the settings panel.,f…
The Meyer update is out now for Nuclear War Simulator. Last week we revealed the major features in Dev Log #6 The Meyer Update. With this major update a Campaign mode has been added. These missions introduce new mechanics that increase in complexity – making t…
Dev Diary: The Meyer Update The upcoming Meyer update represents a significant milestone for the Nuclear War Simulator, introducing a range of enhancements designed to deepen its educational impact while delivering a more refined and intuitive user experience.…
Nuclear War Simulator has a Beta live for our next update. The Meyer update will see a Campaign mode with missions and objectives added to the game, along with a scenario creation wizard, improvements to the radiation model, and bug fixes. Footage from HoW 202…
Home of Wargamers 2026 is almost here. Our yearly live showcase, streamed on Twitch and YouTube, returns on September 30th with fresh announcements, updates and a look behind the scenes at what's coming from Matrix Games.This edition brings together longtime f…
Hello Nuclear War Simulator fans. Episode#5 of our video series is now out. This time, we explore the systems designed to detect and stop ballistic missile threats before impact. From early-warning satellites and radar detection to missile interception during …
We are proud to announce our new Home of Wargamers live event, which will take place on September 26th at 5 pm UK time. Join us on our Twitch channel to know more about our biggest franchises. You can set a reminder here. We will talk about a lot of important …
Hello Nuclear War Simulator fans. Episode 4/6 of our video series is out now. This episode explores the damage nuclear weapons do indirectly. While the explosion, blast, and fireball have the capacity to destroy cities, fallout can destroy whole ecosystems. Wh…
Nuclear War Simulator's fallout model has been used in a scientific study commissioned by Princeton University. The Missiles on Our Land Project has utilized the NWS fallout model to track the different ways seasonal winds could effect the spread of radioactiv…
Our third episode of the Nuclear War Simulator video series is now out. This time we cover the actual effects of nuclear weapons as they detonate. From the shock-wave to the thermal radiation, we go over the apocalyptic implications of a detonation in a major …
We are proud to announce our new Home of Wargamers live event, which will take place on September 12th at 5 pm UK time. Join us on our Twitch channel to know more about our biggest franchises. You can set a reminder here. We will talk about a lot of important …
t first glance, Nuclear War Simulator , which launched today on Steam, bears a real resemblance to DEFCON, the old (and excellent ) Wargames-inspired strategy sim about turning the planet into a roasted chestnut. In reality, it's something quite different…
Nuclear War Simulator Out Now Nuclear war simulator is a detailed realistic simulation and visualization of large-scale nuclear conflicts with a focus on humanitarian consequences. It lets you design conflict scenarios and estimate the consequences using a pop…