Dig down through soil, clay, stone, lava and crystal. Drop digits into the shaft: matching ones add up, and a nine breaks the floor — one layer deeper.
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A look inside
How it works
Merge downEqual digits add up: 2 + 2 makes 4, three 3s make 9.
Break the floorReach nine and the floor gives way with everything around it.
Watch the groundEvery few drops a new row rises. Let a column overflow and the roof caves in — you have three helmets.
Mind the stonesStones never merge. Break them with a breakthrough, a pickaxe or dynamite.
What’s inside
Four boosters — pickaxe, dynamite, swap and undo — bought with the coins you dig up.
A map of your descent: start a new run from any layer of earth you have reached.
A daily dig that is the same for everyone, without boosters.
Ten fossils to collect across five layers of earth.
Free to play, with ads. No accounts, and your progress stays on your device. Privacy policy.
Stuck on a layer or found a bug?
Write to us: questions, bugs and ideas are all welcome.