Property Types
Four Mines.
One Map.
The most common mine. Steady, reliable passive income. Found on 60% of all properties.
Base rateDark and productive. Earns 1.5× a rock mine. About 30% of all properties yield coal.
1.5× rockRare and lucrative. 2× the earnings of rock. Only 9% of properties strike gold.
2× rockUltra-rare. 4× earnings. Just 1% of all properties are diamond mines.
4× rock