Dig to start!
Play Opal Outback Mine free — a desert hiding rainbow stone, then flashier opals dazzle the market. Hire prospectors and watch passive Opal grow even while…
1. Dig the glowing centre to earn your first Opal.
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 desert hiding rainbow stone.
✦ Six tiers of crew from Prospectors to Planet Drill.
✦ WebAudio sound with mute, haptics, reduced-motion — plays instantly, no download.