Casinos Audit is an independent, free, and public database of online gambling sites and casino bonuses reviews. Casinos Audit is an independent, free, and public database of online gambling sites and casino bonuses reviews. Biggest bonus. Our audits and reviews are straightforward and. Our audits and reviews are straightforward and. . Yallabet77 Casino is a smaller online casino revenue-wise. The revenue of a casino is an important factor, as bigger casinos.