You chances of getting your money back is low, the past two years experience from this casino reviews has shown that they can't be trusted, they have been stealing bitcoin from their users and closing accounts with unnecessary excuses.
Go to their announcements channel, they haven't not been active and their trust system has peak negative by different users.

Additional, check the user above you, he also lost 0.55 BTC, you have been scammed and no one here would help you with your funds.