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