Why do I need Coins? March 30, 2026 17:20 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 know how many assemblers I need? How do I quickly find the item I need in the Store or Inventory?