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Nuclear War Simulator
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-14.
“This is definitely a SIMULATOR, not a game. I bought it, thinking it was a game. After purchasing it, I realized the mistake. But steam wouldn't allow the refund. So I began to tinker around with it. Definitely an eye opening simulator, especially in the times we live in today.…”
— a player, Steam review · 8 hrs played“intresting sim lags on my pc”
— a player, Steam review · 16 hrs played“No”
— a player, Steam review · 1 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-08-02 22:27 UTC · history via SteamCharts.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Nuclear War Simulator - Early Warning and Missile Defense (5/6)
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 sa
Nuclear War Simulator - Update 1.00.0418
Build 418 New features and changes: the number of injured people is calculated total casualties (fatalities + injuries + fatal cancers) are calculated expanded the display of results of the simulation
Nuclear War Simulator - Update 1.00.0415
Hi everyone, Update v1.00.0415 has been released. NOTE: Initially this patch released with incomplete patch notes, below is now the complete list Bug fixes and minor improvements: fixed: cancer rate w
Nuclear War Simulator - Meyer Update Out Now!
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 in
Nuclear War Simulator - Dev Log #6 The Meyer Update
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 wh
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-14.
| Genres | Simulation |
| Player tags | Simulation · Realistic · Modern · RTS · Wargame · Sandbox · Military · Management · Real-Time · Open World · Difficult · Strategy (SteamSpy community voting) |
| Features | Single-player · Steam Cloud · Family Sharing |
| Languages | English |
| Estimated owners | 0 – 20,000 (SteamSpy) |
| Official site | https://nuclearwarsimulator.com |
Minimum system requirements (PC)
Minimum: OS: Windows 10/11 Processor: 1.5 GHz Memory: 8 GB RAM Graphics: DirectX 11 or OpenGL 4.3 compatible graphics card with 3 GB of VRAM Storage: 11 GB available space