Why do I need Coins? May 18, 2021 14:59 Updated You need coins to: unlock locations, pay for certain boosters, tools, and monster items in the Store, open caches on the map. Related articles How do I get Rubies? How can boosters help me in the game? What kind of boosters can I buy in the Store? How do I quickly find the item I need in the Store or Inventory? What is the Order's Chest?