Nuclear Design Bureau
Design. Simulate. Detonate. As a junior engineer at the Kurchatov Institute, you design atomic devices to satisfy the demands of the State. A hardcore physics game simulating hydrodynamics, neutron transport, and thermonuclear fusion.
- Release date
- September 14, 2026
- Platforms
- Windows
- Developer
- Design Bureau KB-11
- Publisher
- Design Bureau KB-11
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About Nuclear Design Bureau
WARNING! THIS GAME IS IN EARLY ACCESS. IT IS BUGGY AND COMPUTE HEAVY. PLAYERS MAY FACE POTENTIAL BUGS, FREEZES, AND CRASHES.WHILE THIS GAME UTILIZES WEBGPU and ELECTRON, LINUX/PROTON/MACOS ARE NOT OFFICIALLY SUPPORTED YET. THERE IS AN ACTIVE DISCORD COMMUNITY, PLEASE JOIN IF YOU'D LIKE TO PARTICIPATE IN ITS DEVELOPMENT. NUCLEAR DESIGN BUREAU is a hardcore sandbox engineering game where you design and test nuclear devices. You are a junior engineer at the Kurchatov Institute.
The State gives you a target and a warehouse full of dangerous materials. Some directives limit what you are allowed to use. Your job is to build a device that does what the directive asks. This game is built in the open. The campaign, the physics and the tools change based on what players build, where they get stuck, and what they ask for. That is the whole reason it is in Early Access.- Receive a directive: Technical requirements and constraints, with material limits on some jobs.- Measure it by hand: The criticality lab is first person.
Set the core in its cradle, lower the beryllium reflector onto it, and watch the counter on the wall while the live k estimate climbs toward one. Push it too far and the dose lands on your hands, not on a number.- Design: Paint materials straight onto the blueprint grid.…
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