Players now
100 players24-hour peak
107 players30-day average
96 players3 of 30 days observed
Highest peak on record
565 playersSeptember 2026
Players, last 48 hoursData coverage| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every day (warm tier) | 22 Oct 2026 | |
| Player counts | Every 6 hours (warm tier) | 22 Oct 2026 | |
| Store details | Weekly, and when Steam reports a change | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
Nuclear Design Bureau Early Access Uses AI 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.
Screenshots
Price HistoryPrice now
$9.99Usual price
Lowest we've seen
$9.9921 Oct 2026
Last on sale
Not yetNone since 21 Oct 2026
| From | Price | Usual | Off |
|---|---|---|---|
| 21 Oct 2026 | $9.99 | $9.99 | — |
US Steam store prices, saved each time our store check sees a change, since 21 Oct 2026. How we count
| Poll | Players |
|---|---|
| 12:08 UTC | 100 |
| 06:07 UTC | 84 |
| 03:02 UTC | 107 |
| 23 Oct, 21:00 UTC | 99 |
| 23 Oct, 14:59 UTC | 97 |
| 23 Oct, 08:57 UTC | 75 |
| 22 Oct, 21:21 UTC | 139 |
