Hi, the selling interface is not my own but the one from Itch.io. If you want to sell a game, or even books, comics ... you can publish it on Itch.io, and you can then get a code to embed it on your web page, so people can buy directly from your website, using Itch.io system. You can checkout this page for more informations : https://itch.io/docs/general/f...