Dig to start!
Play Fossil Fuel Quarry free — a layer of ancient bones, then deeper fossils gush richer crude. Hire prospectors and watch passive Crude grow even while…
1. Dig the glowing centre to earn your first Crude.
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.
✦ Signature Mining Empire scene — a layer of ancient bones.
✦ Six tiers of crew from Prospectors to Planet Drill.
✦ WebAudio sound with mute, haptics, reduced-motion — plays instantly, no download.