ISI (International Security Investigation)
A Roblox experience owned by Sijoki Inc..
AdventureENinvestigationhorrormystery
Description (written by the developer; not a statement by this register)
ISI also know as International Security Investigation is an investigation/FBI sort of game that will give you chills down your spine with multiple chapters each having strange activities for your weird entertainement. Fulfill the mysteries of the game to fully understand the true purpose of being one of many players. (W.I.P)
Last updated by the developer 19 May 2026, 04:48 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 We do not publish numbers we have not measured.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 |
|---|---|---|
| 20 Aug 2026, 13:02 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).