How to get

  • The Isle of the Giving Tree (1-6 Gems every 16h)
  • Trading with Merchant ships at the docks
  • Chests (at least 1 per day contains 3 Gems)
  • Seal dives sometimes offer gems as a dive prize, or a bonus reward
  • Completing game achievements

Gems are also available via In-App Purchase.


  • Buying more Mill Slots
  • Rushing
  • Decor
  • Special promotional items
  • Replacement for missing trade goods
  • etc

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