![Error Code 865 [UPD]](https://tr.rbxcdn.com/180DAY-535c249d8f1e7a527160168802fc1f62/256/256/Image/Png/noFilter)
Error Code 865 [UPD]
A Roblox experience owned by NeoSys.
SimulatorENhackingcomputer simulationhorror
Description (written by the developer; not a statement by this register)
You finally saved enough money to buy a computer! However, you forgot about the cost of an operating system. No problem, there is a FREE operating system called NeoSys! Hopefully nothing goes wrong... *Mobile support will be added eventually* *Tag Words* computer, hacking, hacker, malware, virus, coding, firewall, antivirus, gui, cyber, digital, system, story, adventure, simulator, minigames, puzzle, mystery, roleplay, escape, survival, glitch, scary, horror, data, network, matrix, brainrot
Last updated by the developer 8 Nov 2025, 15:33 UTC.
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 We do not publish numbers we have not measured.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 |
|---|---|---|
| 12 Aug 2026, 14:08 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).