Black Mesa Research Facility
A Roblox experience owned by Black Mountainside.
RoleplayENHalf-LifeRoleplaySci-Fi
Description (written by the developer; not a statement by this register)
-Description- The Black Mesa Research Facility (BMRF) is a subterranean facility that was built around an abandoned ICBM silo from the Cold War in Southwest New Mexico, USA. -Credits- zejdka: Builder / Scripter / Propping / The Administrator epic318: Lead Scripter Kate: Builder GuardedRicardoarb: Scripter Tigrotto20: Propping / Builder DJPOfficial: Scripter / Builder Chetan_Jaggie: Modelling / Scripter VALVe: Half-Life Crowbar Collective: Black Mesa Source -Tags- Half-Life Half Life Black Mesa Black Mesa Roleplay BMRP HLRP BMRF HL BM
Last updated by the developer 10 Aug 2026, 13:24 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 We do not publish numbers we have not measured.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 |
|---|---|---|
| 10 Aug 2026, 22:07 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).
Monetization — game passes
Game passes for sale and their prices, measured from the Roblox passes API. Developer products bought inside the game aren’t publicly listable.
Community wiki
A fan-maintained encyclopedia this game has grown — measured from Fandom’s API. Not affiliated with Fandom.