Nuclear Design Bureau

Engineering sandbox for designing nuclear devices under technical constraints

Design Bureau KB-11 · Released Sep 14, 2026 · Early Access

Reviews: Mostly Positive; 77% of 431
Recent reviews: Very Positive; 87% of 147 in 30 days
Players: 50; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 2 days ago; Oct 26, 2026
Minimum PC: GeForce RTX 3070; 16 GB RAM · 3 GB disk; Full requirements

What is Nuclear Design Bureau?

A single-player engineering simulation in Early Access, set at the Kurchatov Institute, where you work as a junior engineer. You arrange materials on a blueprint grid, simulate detonations, and test components in a first-person lab. Campaign assignments set technical goals and sometimes restrict materials, while sandbox mode permits unrestricted experiments.

For you if...

+you take an interest in nuclear physics and engineering
+you enjoy interpreting technical readouts and troubleshooting your own work

Not for you if...

−you prefer fast action to methodical design and analysis

What players say

77% of 431 reviews are positive · 87% of 147 in the last 30 days

Players praise trying different designs and exploring nuclear physics through experiments. Common complaints concern the awkward interface and unclear tutorials. Earlier reviews also report simulation failures and uneven performance.

Screenshots and trailer

Nuclear Design Bureau system requirements

Minimum: GeForce RTX 3070, 16 GB RAM, 3 GB of disk space.

As published by the developer.

Can my PC run Nuclear Design Bureau?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

OS: Windows 10 64-bit (version 1903 or later)
Processor: 8-core, Intel i7-10700 or AMD Ryzen 7 3700X
Graphics: GeForce RTX 3070 or Radeon RX 6700 XT, 8 GB VRAM, WebGPU support
Memory: 16 GB RAM
Storage: 3 GB available space
DirectX: Version 12
Notes: Requires up-to-date graphics drivers with WebGPU support. Integrated graphics are untested. Large designs run slowly at the minimum. Display: 1280 x 720.

OS: Windows 10 or 11 64-bit
Processor: 8-core, Intel i7-12700 or AMD Ryzen 7 5800X
Graphics: GeForce RTX 4070 or Radeon RX 7800 XT, 12 GB VRAM
Memory: 32 GB RAM
Storage: 3 GB available space
DirectX: Version 12
Notes: Requires up-to-date graphics drivers with WebGPU support. Integrated graphics are untested. Display: 1920 x 1080.

Does Nuclear Design Bureau have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Nuclear Design Bureau run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Not supported on SteamOS

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 37
Steam features: Cloud saves, Family Sharing
Languages: Text only: English.

Does Nuclear Design Bureau use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

This game uses AI-generated assets made during development. No AI content is generated during gameplay.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam