How do I purchase G1 Credits? Salacia May 03, 2018 00:01 Follow Select the amount of G1 Credits you would like to purchase, your desired payment method, and follow the onscreen instructions. Related articles Where do I purchase G1 Credits? My payment failed with PaymentWall When am I billed for a purchase? Why am I getting an error when making a payment with PayPal? Can I set up recurring billing for my game’s premium subscription? Comments 0 comments Article is closed for comments.