How to top up Delta Force Delta Coins?

Select the Delta Coins denomination.
Enter your Player ID.
Check out and select your payment method.
Once payment made, Delta Force Delta Coins will be credited to your account shortly.
How to find Delta Force Player ID?

Log in to the game using your account.
Tap the "Avatar" icon located in the bottom-right corner of the main screen.
Your Delta Force Player ID will be displayed on the screen.