According to the Terms of the bonuses. Bonuses can be used exclusively either on Sports or Casino and additionally within Casino section, in specific games or games Category.
-If you have the Sports bonus, you need to set the bonus balance on the main page, then move to the "Sports" Or "Live" page.
-If you have the Casino Bonus, set your bonus balance at the "Casino" page, then you can quickly understand at which game bonus is used. Games in which chosen bonus can be used will have the "Gift box" Icon. 
If there any issues with finding the games, feel free to reach in our support chat!