I still have a lot of resources left from clearing the Underwater World locations. What do I do with them? December 18, 2020 11:53 Updated After an event finishes, all unused resources are automatically exchanged for coins. Related articles What do I need oxygen for? Is it possible to rotate buildings or put them in the inventory? What is the Underwater World? Are there pets in the game? Which parts of the game can I sync via Facebook? Comments 0 comments Article is closed for comments.