Enter the gold mine with bucket and shovel. Dig the soil away, so all nuggets drop into your bucket. But be aware of falling boulders and other menaces.
After collecting all nuggets you earn a gold coin. You get another coin if you did not shovel more often then given by the reference solution. And a third coin if you did it in time.
New challenges appear consistently. Be aware that exploding dynamite, electrifying tesla balls, rapid growing mushrooms and many other objects may be harmful or helpful.
Collecting nuggets becomes more and more demanding. In case you want to give up, tap the white flag. Then you can start over or pay some gold coins to buy a solution.
You want to create cool gold mines? No problem. Build your own mines my means of the integrated editor and swap those with you friends using Bluetooth. Also, for swapping you earn gold coins.