Nuclear Reactor Simulator
- Playing now
- 27
- ▲ 31.6% 24h average vs the day before
- 24h average
- 25
- 24h peak
- 44
- 7-day peak
- 62
Player count history
Concurrent playersNuclear Reactor Simulator has 27 players online in the latest RoVitals sample. The highest count RoVitals has recorded since tracking began on Sep 23, 2026 is 1,824, on Oct 4, 2026. Over the last 7 days it averaged 24 players, up 33.3% on the week before. It has 945K lifetime visits and 2.9K likes.
Performance analysis
Measured on average concurrent players rather than a single spike, Nuclear Reactor Simulator is up 31.6% day over day, up 33.3% week over week, down 83.2% over 30 days.
Nuclear Reactor Simulator set its observed peak 39 days ago; its 7-day average is 1% of that peak.
Over the last 14 days, Nuclear Reactor Simulator was usually busiest in the hour from 19:00 UTC, averaging 3.6× its quietest hour. Across the last 14 whole UTC days it averaged 59% more players on Saturdays and Sundays than on weekdays.
Player counts by period
| Period | Average | Peak | Change |
|---|---|---|---|
| Last 24 hours | 25 | 44 | ▲ 31.6% |
| Last 7 days | 24 | 62 | ▲ 33.3% |
| Last 30 days | 61 | 230 | ▼ 83.2% |
| Since Sep 23, 2026 | — | 1,824 | 52 days tracked |
Growth
| Metric | 24h | 7d | 30d |
|---|---|---|---|
| Visits gained | +3.1K | +28.1K | +147.6K |
| Favorites gained | +42 | +286 | +1,373 |
| Likes gained | +7 | — | |
| Dislikes gained | +1 | — | |
Visits, likes & favorites
Cumulative Roblox counters. Visits count game entries, not unique players.
- Total visits
- 945,041
- Favorites
- 16,165
- Likes
- 2,98069.2% positive
- Dislikes
- 1,327
Rankings
| Live players | #9,321 · Top 25% |
|---|---|
| 24h peak | #9,897 · Top 25% |
| Observed peak | #4,553 · Top 25% |
| Total visits | #16,882 · Top 50% |
| Favorites | #14,176 · Top 50% |
| Rating | #14,831 |
| In Simulation | #3,773 of 13,292 |
Records
| Observed peak | 1,824Oct 4, 2026 |
|---|---|
| Best day for visits | +140KOct 4, 2026 |
| 24h low | 12 |
| Avg. session (est.) | 12 min |
| Tracked since | Sep 23, 2026 |
| Days with recorded data | 52 days of history |
Daily breakdown
| Day (UTC) | Avg players | Peak players | Visits gained |
|---|---|---|---|
| Nov 12, 2026 | 21 | 44 | +3.2K |
| Nov 11, 2026 | 20 | 38 | +3.3K |
| Nov 10, 2026 | 17 | 38 | +3.1K |
| Nov 9, 2026 | 20 | 31 | +3.4K |
| Nov 8, 2026 | 34 | 43 | +6.4K |
| Nov 7, 2026 | 34 | 62 | +5.8K |
| Nov 6, 2026 | 17 | 35 | +2.8K |
| Nov 5, 2026 | 15 | 33 | +2.9K |
| Nov 4, 2026 | 15 | 30 | +2.7K |
| Nov 3, 2026 | 16 | 33 | +2.7K |
| Nov 2, 2026 | 15 | 21 | +2.7K |
| Nov 1, 2026 | 23 | 36 | +4K |
| Oct 31, 2026 | 24 | 35 | +4.4K |
| Oct 30, 2026 | 25 | 38 | +4.2K |
Earnings model & assumptions
Roblox does not publish this game's earnings. These scenarios use an assumed monetization rate.
- Illustrative daily range
- $1.5 – $14
- 30 days at unchanged activity and assumptions
- $46 – $410
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.
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vs Fruit Juice Tycoon: RefreshedCompare any two gamesFrequently 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 2026-11-13 11:23 UTC. That is 8% 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; its observed peak, the highest count sampled since then, is 1,824 on October 4, 2026; earlier peaks and peaks between samples may be higher.
Is Nuclear Reactor Simulator growing or dying?
Over the past 7 days Nuclear Reactor Simulator averaged 24 concurrent players, up 33.3% on the 18 of the week before.
How many visits does Nuclear Reactor Simulator have?
Nuclear Reactor Simulator has been played 945,041 times in total, 147,609 of them in the past 30 days.
How many likes does Nuclear Reactor Simulator have?
Nuclear Reactor Simulator has 2,980 likes and 1,327 dislikes on Roblox, 69.2% positive among recorded votes. It has 16,165 favorites. These are game totals, separate from its concurrent player count.
How much money does Nuclear Reactor Simulator make?
Roblox does not publish Nuclear Reactor Simulator's earnings. The RoVitals illustrative model gives roughly $1.5–$14 per day using average concurrent players and an assumed genre earnings rate. This is a model scenario, not reported revenue or a confidence interval; actual earnings can fall outside the range.
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.
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History since Sep 23, 2026. Data methodology.