Nuclear War Simulator has a Beta live for our next update. The Meyers 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.

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Footage from HoW 2024 showing off a short scenario and nuclear strike in the new update.

Joining the Beta is simple. On Steam, right-click the Nuclear War Simulator icon from your library and select "Properties". From there head on over to the Betas section and opt into the Open Beta.


By signing up for the Beta you can get access to Meyers early, and help us stomp some irradiated bugs before the full release.

Join the Nuclear War Simulator Discord Server and gain access to the report-bugs channel.

New features and changes with the Meyers Beta:

- Campaign mode added to the Load Scenario menu
- Added a wizard for new scenario creation
- Fatalities from long-term radiation exposure added
- Unified exposure duration settings for HYSPLIT and WSEG-10 models
- Visualization of trajectories during targeting
- Improved visualization of attack plans
- Added new background music
- Swapped left and right mouse buttons for object selection and map manipulation to be more familiar to strategy games

Bug fixes and minor improvements:

- Fallout no longer leaves the atmosphere for big detonations
- Fixed wrong color rendering of population and fatalities density on Vulkan
- Fixed bug leading to drag selection during map manipulation
- Fixed bugs in automated way-point creation for aircraft
- Trajectory line width now constant with camera zoom
- Added a button to select all units of a country