Customer service is super fast. We've thoroughly reviewed Casino Extreme and gave it a Very high Safety Index, which is the best rating any casino can get from us. And it's not some crazy gambler's conspiracy either since RTG offers several different payout models on their games for their casino partners to. It's "completely safe" to play at Casino Extreme, and the 3 star rating makes the overall score a fully decent result after all. . They promise "instant" withdrawals and for the most part they deliver within minutes. I have nothing bad to say about them whatsoever. Casino Extreme Review | Casino Extreme Bonuses and Overview with Real Players Reviews & Official Ratings Based on Community Members Votes. Fast payouts, good quality selection of games, fair gaming, and lots of bonuses. [HOST] › Online casino reviews. | Read Reviews out. Do you agree with Casino Extreme's 4-star rating? Check out what people have written so far, and share your own experience. 3 Stars is well deserved! See. Casino Extreme offers no-deposit bonuses, allowing players to begin playing – and try to win real money – without risking any of their own cash! Check all online casino complaints against Casino Extreme - deposit, account, bonus, and other issues. Do you agree with Casino Extreme's 4-star rating? Check out what people have written so far, and share your own experience. On one hand, Casino Extreme offers easy depositing and withdrawing options.