
Steam specs (min / recommended)
Minimum: Système d'exploitation : Windows 10 64-bit (version 1903 or later) Processeur : Quad-core, Intel i5-8400 or AMD Ryzen 5 2600 Mémoire vive : 8 GB de mémoire Graphiques : DirectX 12 GPU with 4 GB VRAM and WebGPU support, GeForce GTX 1060 or Radeon RX 580 DirectX : Version 12 Espace disque : 3 GB d'espace disque disponible Carte son : DirectX Compatible Notes supplémentaires : Requires up-to-date graphics drivers with WebGPU support. Integrated graphics are untested. Display: 1280 x 720.
Recommended: Système d'exploitation : Windows 10 or 11 64-bit Processeur : 8-core, Intel i7-10700 or AMD Ryzen 7 3700X Mémoire vive : 16 GB de mémoire Graphiques : GeForce RTX 3070 or Radeon RX 6700 XT, 8 GB VRAM DirectX : Version 12 Réseau : connexion internet haut débit Espace disque : 3 GB d'espace disque disponible Notes supplémentaires : Requires up-to-date graphics drivers with WebGPU support. Integrated graphics are untested. Display: 1920 x 1080.
Nuclear Design Bureau
Engineers are logging over 25 hours into complex reactor management despite severe operational friction. Across all post-release evaluations, 74 percent of the 119 reviews lean positive.
What it's about: 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.
In-game






In players' words
Anonymized excerpts from public Steam reviews — picked among those most voted "helpful" by the community.
What players say, by aspect
Detailed data (table)
| Aspect | Mentions | Positive | Mixed | Negative |
|---|---|---|---|---|
| Gameplay | 72 | 59 | 3 | 10 |
| Performance | 31 | 1 | 2 | 28 |
| Interface / UX | 25 | 0 | 0 | 25 |
| Stability / bugs | 18 | 0 | 0 | 18 |
| Content / longevity | 15 | 7 | 0 | 8 |
| Audio / music | 12 | 2 | 0 | 10 |
| Value for money | 12 | 10 | 0 | 2 |
| Story / writing | 3 | 3 | 0 | 0 |
| Graphics / art | 2 | 0 | 0 | 2 |
| Multiplayer | 1 | 0 | 0 | 1 |
Positive reviews by playtime
🎮 Players who like it have spent 8.6 h on median; those who dislike it: 2.8 h.
🪤 42 % of negative reviews come from players who left in under 2h — the game often disappoints right away.
100% completion difficulty ("platinum")
of players have unlocked the rarest achievement — the upper bound of those who "100%'d" it. 11 achievements in total; the median achievement is unlocked by 42,2 % of players.
What creators say (YouTube)
No indexed video for this game yet.
This game on Twitch
Popular clips — nobody live right now
Strengths
- Core mechanics drive engagement with 59 positive mentions out of 72 regarding gameplay.
- Players appreciate the pricing structure, highlighted by 10 positive mentions out of 12.
- Long-term immersion pays off, as all 8 players with over 25 hours recorded positive reviews.
Weaknesses
- Interface design frustrates completely, resulting in 25 negative mentions out of 25 for the UI.
- Technical instability hurts the experience, with 18 negative mentions out of 18 pointing straight to bugs.
- Performance struggles heavily, showing 28 negative mentions out of 31.
- Sound design misses the mark, gathering 10 negative mentions out of 12.
Who is it for?
Hardcore strategy and simulation enthusiasts who possess extreme patience for early access rough edges and interface hurdles will find deep satisfaction here.
Is Nuclear Design Bureau worth it in 2026?
Yes for the right audience, despite some caveats: 74% of 119 Steam reviews are positive (player score 67/100). Most-praised strength: Core mechanics drive engagement. Current price: 4,99€.
Verdict
Nuclear Design Bureau currently balances a brilliant core simulation against brutal technical and UI obstacles. With 74 percent positive feedback overall, addressing the persistent bugs and interface layout will determine its ultimate success.
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💬 Discussion
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