Nuclear Reactor Simulator
#7,145RisingSince Sep 23, 2026
Player count history
Performance analysis
Measured on average concurrent players rather than a single spike, Nuclear Reactor Simulator is up 6.3% day over day. Its last-24h average (17) is 41.7% above its 7-day average (12).
Player counts by period
| Period | Average | Peak | Change |
|---|---|---|---|
| Last 24 hours | 17 | 32 | ▲ 6.3% |
| Last 7 days | 12 | 32 | — |
| Last 30 days | 12 | 32 | — |
| Since Sep 23, 2026 | — | 32 | 6 days tracked |
Growth
| Metric | 24h | 7d | 30d |
|---|---|---|---|
| Visits gained | +2.3K | +9.1K | +8.8K |
| Favorites gained | +49 | +177 | +172 |
| Likes gained | +14 | 75.3% positive overall | |
| Dislikes gained | +6 | 61 👍 · 20 👎 | |
| Totals | 10.2K visits · 201 favorites | ||
Rankings
| Live players | #7,145 · Top 50% |
| 24h peak | #8,371 · Top 50% |
| Observed peak | #9,966 · Top 50% |
| Total visits | #16,448 |
| Favorites | #15,744 |
| In Simulation | #2,564 of 5,885 |
Records
| Highest recorded CCU | 32 · Sep 27, 2026 |
| Best day for visits | +2.5K · Sep 27, 2026 |
| 24h low | 4 |
| Avg. session (est.) | 11 min |
| Tracked since | Sep 23, 2026 |
| Days with recorded data | 6 days of history |
Daily breakdown
| Day (UTC) | Avg players | Peak players | Visits gained |
|---|---|---|---|
| Sep 28, 2026 | 14 | 30 | +1.3K |
| Sep 27, 2026 | 18 | 32 | +2.5K |
| Sep 26, 2026 | 14 | 24 | +2.2K |
| Sep 25, 2026 | 10 | 16 | +1.7K |
| Sep 24, 2026 | 6 | 15 | +1.2K |
Estimated developer earnings
Modeled from average concurrent players, assumed earned Robux per player-hour by genre, and a fixed $0.0038 per earned Robux. These are not reported game earnings. The range is the central model divided and multiplied by three, not a confidence interval; actual earnings may fall outside it. Special DevEx rates, purchases, revenue shares and expenses are not modeled. Not financial data. Model assumption for this game: 2 earned Robux per player-hour. Formula and limitations.
Visits history
Compare Nuclear Reactor Simulator
Side-by-side player counts, peaks and growth against games of a similar size:
Frequently asked questions
How many people are playing Nuclear Reactor Simulator right now?
Nuclear Reactor Simulator's latest recorded count is 27 concurrent players on Roblox, sampled at 2026-09-28 14:28 UTC. That is 59% above its average over the last 24 hours.
What is Nuclear Reactor Simulator's highest recorded player count?
RoVitals began tracking Nuclear Reactor Simulator on September 23, 2026; the highest count sampled since then is 32 on September 27, 2026; earlier peaks and peaks between samples may be higher.
How many visits does Nuclear Reactor Simulator have?
Nuclear Reactor Simulator has been played 10,168 times in total, 8,844 of them since RoVitals began tracking it on September 23, 2026.
How much money does Nuclear Reactor Simulator make?
The RoVitals model puts Nuclear Reactor Simulator's developer earnings at roughly $1–$9 a day, from its average concurrent players and a genre earnings assumption. Roblox does not publish per-game revenue, and actual earnings can differ several-fold.
Description from Roblox, by Beyond Average
Take control of a nuclear reactor and keep it running. Pull the control rods, balance coolant and turbine output, and meet the city's power demand before the heat gets out of hand. ⚛️ Start up the reactor and push it to full power 🌡️ Watch temperature and pressure, and hit SCRAM when things go wrong ⚡ Complete power contracts and hold your output steady to earn credits 🔧 Upgrade coolant pumps, turbines and containment to run hotter and safer ⚠️ Handle pump faults, peak demand and cold fronts as they come Run a clean, stable plant or see how close you can get to meltdown.
More by Beyond Average
| Game | Playing | 24h peak | Visits | Rating |
|---|---|---|---|---|
| 1,071 | 548.3K | 84% | ||
| 64 | 525.2K | 66% | ||
| 0 | 7.7K | 82% | ||
| 0 | 6K | 67% | ||
| 0 | 5.3K | 54% | ||
| 0 | 5.6K | 56% |
Similar Simulation games
| Game | Playing | 24h | 24h peak | Visits |
|---|---|---|---|---|
| ▼ 12.0% | 54 | 74.4M | ||
| ▲ 0.0% | 41 | 71.2M | ||
| ▼ 23.5% | 50 | 5.8M | ||
| ▼ 3.3% | 50 | 597K | ||
| ▲ 34.6% | 58 | 99.1K | ||
| ▼ 39.0% | 41 | 57.1M | ||
| ▼ 33.3% | 11 | 17.9M | ||
| ▼ 25.0% | 9 | 1.8M |
History since Sep 23, 2026. Data methodology.