Coal Mine Grind
A Roblox experience owned by Third-hand Studio.
TycoonENbusiness simulationresource managementco-op bonus
Description (written by the developer; not a statement by this register)
Id say to start your company from the grassroots... if there were any grass down here. Build your company. Sell the best coal. Serve the most buyers. Hire the most employees! The entire underground world is yours for the taking. A flat 15% income bonus is provided for any players who play with friends.
Last updated by the developer 7 Aug 2026, 23:22 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 We do not publish numbers we have not measured.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 |
|---|---|---|
| 29 Aug 2026, 01:17 | 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.