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Obscure

Nuclear Design Bureau

77% positive of 417 Steam reviews

View on Steam
Released
2026
Steam Deck
Unsupported
Platforms
Steam

Made by Design Bureau KB-11.

About the game

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.

Tagged by players

  • Cold War
  • Programming
  • Science
  • God Game
  • Destruction
  • Tutorial
  • Historical
  • Difficult
  • Sandbox
  • Physics
  • Score Attack
  • Dark

What players say

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Mostly Positive

What players say

  • Not recommended
    I had the most fascinating experience today. I was recommended a game called Nuclear Design Bureau by Steam. It's a game about building and designing nuclear weapons (in 2d, it's simplified similar to Kerbal Space Program's 2 body problem thing). I downloaded and started playing through it, it's super early access but it seems like it'd be my jam. I missed something on the Steam page. "This game uses AI-assisted…

    1.2 h played when written. 185 found it helpful.

    Read on Steam
  • Not recommended
    The idea behind this game is really, really interesting, but unfortunately the game is heavily vibe coded, to it's detriment. A lot of the text is overly verbose, and yet without saying much, in that really weird way only LLMs can pull off, and every new patch breaks the performance in some weird way. One patch will have the simulation running well and the bomb visualization stuck at 1 FPS, the next will fix the…

    3.8 h played when written. 34 found it helpful.

    Read on Steam
All reviews on Steam