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Nuclear War Simulator

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.

Released Feb 2, 2023 Developer Bit Mirror Publisher Matrix Games Platforms Windows SimulationRealisticModernRTSWargame
View on Steam ↗ $29.99 (US · as of 2026-05-14)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-14.

67.2%positive247 reviews
Recommended · 3 found this helpful

“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
Recommended · 0 found this helpful

“intresting sim lags on my pc”

— a player, Steam review · 16 hrs played
Not recommended · 0 found this helpful

“No”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-08-02 22:27 UTC · history via SteamCharts.

3playing at last check
424-hour peak
57all-time peak
0 10 20 2024 2025 16 avg · Feb 2023

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

May 29, 2026
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

Mar 25, 2026
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

Jun 26, 2025
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

Jan 15, 2025
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

Jan 09, 2025
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.

GenresSimulation
Player tagsSimulation · Realistic · Modern · RTS · Wargame · Sandbox · Military · Management · Real-Time · Open World · Difficult · Strategy (SteamSpy community voting)
FeaturesSingle-player · Steam Cloud · Family Sharing
LanguagesEnglish
Estimated owners0 – 20,000 (SteamSpy)
Official sitehttps://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