Jet Black Coal Mine

Dig to start!

What is it?

Play Jet Black Coal Mine free — a mine of polished black, then deeper jet, darker riches. Hire prospectors and watch passive Jet grow even while you're…

How to play

1. Dig the glowing centre to earn your first Jet.

2. Open the Crew tab and buy your first Prospectors to start earning automatically.

3. Spend on Boosts to multiply taps and specific crew output.

Why you'll love it

✦ Signature Mining Empire scene — a mine of polished black.

✦ Six tiers of crew from Prospectors to Planet Drill.

✦ WebAudio sound with mute, haptics, reduced-motion — plays instantly, no download.

Play Jet Black Coal Mine free

No download. No sign-up. Just dig and play.