Why do I need Coins? September 03, 2026 22:00 Updated You need coins to:Unlock locations.Pay for certain boosters, tools, and monster items in the Store.Open caches on the City map. Related articles How can boosters help me in the game? How do I get Rubies? What kind of boosters can I buy in the Store? How do I quickly find the item I need in the Store or Inventory? How do I know how many assemblers I need?