
Nuclear Design Bureau has been in Early Access on Steam for 2 months, since Sep 15, 2026. The last update to Nuclear Design Bureau was posted 9 days ago (Nov 5, 2026), one of 19 in the past 90 days. Updates to Nuclear Design Bureau arrive about every 2 days over the past year. Nuclear Design Bureau peaked at 63 players in the last 24 hours.
Update activity, past year
Fewer MoreA year ago19 updates in the past yearThis week
Is Nuclear Design Bureau still being updated?
Yes. The last update to Nuclear Design Bureau was posted 9 days ago, on Nov 5, 2026. Over the past year updates to Nuclear Design Bureau have come about every 2 days.
- PatchHotfix 11/5/26 b
- PatchHotfix 11/5/26
- PatchHotfix 10/30/26
- PatchHotfix 10/25/26
- PatchHotfix 10/23/26
- PatchHotfix 10/22/26
- PatchHotfix 10/21/26
- PatchHotfix 10/17/26
- PatchHotfix 10/16/26
- Major updateUpdate "Helium"
9 earlier updates
- PatchHotfix 10/02/26
- PatchPhysics Patch 10/01/26
- Major updateUpdate "Hydrogen" 09/26/26
- PatchHotfix 9/27/26
- PatchExperimental LID/Sparkplug branch is out
- PatchPatch 09/20/26
- Patchupdate 2, 2026-09-19
- Patchhotfix
- Patchhotfixes 9/15 9:04pm
How long has Nuclear Design Bureau been in early access?
Nuclear Design Bureau entered Early Access on Steam on Sep 15, 2026 and has been in it for 2 months.
How many people are playing Nuclear Design Bureau?
Nuclear Design Bureau peaked at 63 players on Steam in the last 24 hours.
What is Nuclear Design Bureau?
Steam users tag Nuclear Design Bureau as Simulation, Strategy, Physics, Cold War and Science. Nuclear Design Bureau is single-player only and priced at $9.99, and 79% of its 448 Steam reviews are positive.
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.
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Steam tags: Simulation, Strategy, Physics, Cold War, Science, Sandbox, Puzzle, 2D, Pixel Graphics, Dark.
| Status | Active |
|---|---|
| Early access since | Sep 15, 2026 |
| Last update | Nov 5, 2026 |
| Typical gap | 2 days between updates |
| Playing now | 45 (Nov 14, 23:49 UTC) |
| 7-day peak | 63 |
| Steam reviews | 79% positive of 448 |
| Price | $9.99 |
| Play | Single-player |
| Steam Deck | Unsupported |
| Platforms | Windows |
| Developer | Design Bureau KB-11 |
| Publisher | Design Bureau KB-11 |
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