Story mines are the plot-related locations and can only be played once. They determine the main progress of your Diggy.
Repeatable mines are a source of Materials with a restart indicator .
They provide materials needed to purchase equipment and other things and play a big role in some special weeks.
For detailed information about the event mines go to the Events page and open the event you are looking for.
Diggy has to visit and complete objectives in well over 1200 story mines.
New quests can be found in the city, camp or Temples of the Gods/Dragons
If you get stuck in a mine, this page offers you all the information and help needed.