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As of
30-day average
19 players24 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 12 hours (warm tier) | 20 Oct 2026 | |
| Player counts | Every 4 hours (warm tier) | 19 Oct 2026 | |
| Store details | Every 3 hours, and when Steam reports a change (warm tier) | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
Nuclear Reactor Simulator: Take Control. Prevent Disaster. Power the World.

Price now
$14.99Usual price
Lowest we've seen
$14.9922 Oct 2026
Sales we've seen
None yetNone since 21 Oct 2026
US Steam store prices, saved each time our store check sees a change. Our records start on 21 Oct 2026, so earlier sales are not listed. A sale is dated from the first check that saw it (usually within an hour of Steam changing the price) to the end date Steam gave. How we count
| Hour | Peak | Average | Polls |
|---|---|---|---|
| 14:00 UTC | 15 | 15 | 1 |
| 10:00 UTC | 17 | 17 | 1 |
| 06:00 UTC | 18 | 18 | 1 |
| 02:00 UTC | 14 | 14 | 1 |
| 10 Nov, 22:00 UTC | 12 | 12 | 1 |
| 10 Nov, 18:00 UTC | 30 | 30 | 1 |
| 10 Nov, 14:00 UTC | 20 | 20 | 1 |
| 10 Nov, 10:00 UTC | 11 | 11 | 1 |
| 10 Nov, 06:00 UTC | 21 | 21 | 1 |
| 10 Nov, 02:00 UTC | 24 | 24 | 1 |
| 9 Nov, 22:00 UTC | 22 | 22 | 1 |
| 9 Nov, 18:00 UTC | 37 | 37 | 1 |
| 9 Nov, 14:00 UTC | 26 | 26 | 1 |
| 9 Nov, 10:00 UTC | 13 | 13 | 1 |
| 9 Nov, 06:00 UTC | 11 | 11 | 1 |
| 9 Nov, 02:00 UTC | 21 | 21 | 1 |
| 8 Nov, 22:00 UTC | 35 | 35 | 1 |
| 8 Nov, 18:00 UTC | 45 | 45 | 1 |
| 8 Nov, 14:00 UTC | 29 | 29 | 1 |
| 8 Nov, 10:00 UTC | 23 | 23 | 1 |
| 8 Nov, 06:00 UTC | 22 | 22 | 1 |
| 8 Nov, 02:00 UTC | 28 | 28 | 1 |
| 7 Nov, 22:00 UTC | 33 | 33 | 1 |
| 7 Nov, 18:00 UTC | 24 | 24 | 1 |
| 7 Nov, 14:00 UTC | 23 | 23 | 1 |
| 7 Nov, 10:00 UTC | 26 | 26 | 1 |
| 7 Nov, 06:00 UTC | 21 | 21 | 1 |
| 7 Nov, 02:00 UTC | 17 | 17 | 1 |
| 6 Nov, 22:00 UTC | 24 | 24 | 1 |
| 6 Nov, 18:00 UTC | 32 | 32 | 1 |
| 6 Nov, 14:00 UTC | 21 | 21 | 1 |
| 6 Nov, 10:00 UTC | 14 | 14 | 1 |
| 6 Nov, 06:00 UTC | 9 | 9 | 1 |
| 6 Nov, 02:00 UTC | 14 | 14 | 1 |
| 5 Nov, 22:00 UTC | 19 | 19 | 1 |
| 5 Nov, 18:00 UTC | 25 | 25 | 1 |
| 5 Nov, 14:00 UTC | 15 | 15 | 1 |
| 5 Nov, 10:00 UTC | 13 | 13 | 1 |
| 5 Nov, 06:00 UTC | 18 | 18 | 1 |
| 5 Nov, 02:00 UTC | 23 | 23 | 1 |
| 4 Nov, 22:00 UTC | 27 | 27 | 1 |
| 4 Nov, 18:00 UTC | 24 | 24 | 1 |