Gem can be acquired from the game rewards though mostly it can be purchased from the Store by making a purchase.
Additionally, you can get more gems added
- By Advancing to the next level.
- Purchasing a Pack from the Store.
- Buying it from the Armory
- Complete Missions.
- Watching an ad on the Store.
Need more Gems?
Tap the "+" button on the side of your Gems balance, then choose the amount you want to buy.