Coin Store is the venue where users can readily purchase coins, one of the most important resources in Tower Royale. Coins can be earned through various channels including from a victory in a battle-mode play, but Coin Store offers the fastest and most convenient way to buy coins when users urgently need them.
Coin Store sells the following three items. The more coins you buy at a time, you can buy at a higher value for a diamond. However, it is always advisable to be cautious of binge spending. 🧙♀️
The document linked below explains other channels about where and how to earn coins.