Belize; Bermuda; Bhutan; Bosnia and Herzegovina; Botswana; Brazil. Winstler Casino is an unlicensed casino with a poor reputation. It has been known to use fake licenses and to not pay out winnings to players. Get % up to BRL That company operates other casinos like RocketBets, PlayFrank and FlipperFlip Casino. Belize; Bermuda; Bhutan; Bosnia and Herzegovina; Botswana; Brazil. It has been known to use fake licenses and to not pay out winnings to players. Belize, Bermuda, Bhutan, Bosnia & Herzegovina, Botswana, British Virgin Islands Rocketbets Casino Review. Winstler Casino is an unlicensed casino with a poor reputation. . Belize, Bermuda, Bhutan, Bosnia & Herzegovina, Botswana, British Virgin Islands Rocketbets Casino Review. Get % up to BRL That company operates other casinos like RocketBets, PlayFrank and FlipperFlip Casino.