Finally entered to chat through,
Live support - start over < others< casino game issue < chat open.
But it's shows that response will take few hours I did exactly 1 hour before at the time of writing this.. I'll update ASAP what response I'll get.
Do it on weekdays, usually number of CS are limited on weekends so it will take time for you to get a responds, but let's see. You may want to read their policy and rules about the personalized bonus you've received to make everything clear, before asking questions. There might be something you overlooked.