Nuclear Reactor Test
A Roblox experience owned by The Roblox Plasma Science Group.
SimulatorENsimulationindustrialthrowback
Description (written by the developer; not a statement by this register)
This was one of the very first versions of our best game, Nuclear Power Plant (formerly CNPP). It was last updated back in mid 2022, so expect major bugs. It’s temporarily public for a Throwback Event! Enjoy! - Aiden
Last updated by the developer 19 Sept 2025, 15:43 UTC.
0
playing (measured 10 Aug 2026, 15:51 UTC)
1,607
lifetime visits
100%
liked (24 👍 / 0 👎)
26
favourites (16.2 per 1k visits)
23 December 2021
created (per Roblox)
Live players over time
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Players | Change |
|---|---|---|
| 10 Aug 2026, 15:51 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).