And yes, I know, like you said, your issue is related to them not paying your affiliate reward, I never participated in their affiliate marketing program, so I have no idea how it works, or what the payment structure Is like...
All I can tell you is to be patient, you can contact the manager of their Ann here on this forum and see if he or she can help resolve your issue, I do know that of late, there are been complaints from some users about Bc.games not processing their withdrawal request, I believe this should be a temporary issue which will all be resolved soon.