Opal Casino Sites

Top online casino sites offer all types of games. Choose casino websites OPAL Ruby to make real money deposit. What is important for an online casino? How to recognize reputable providers in general and what games and bonus offers are safe? Find my list of the top online casinos below.

Online casinos promote newest games by giving welcome bonuses to players. Other casino related sites, such as Norwegian Norske nettcasino may let you play demo slots or poker games to give a taste of their games portfolio offer.

Best online casino sites

1 10/10 10/10 10/10 10/10 10/10 Boom Casino 100% Bonus €/£/$500Play Now
2 10/10 10/10 10/10 10/10 10/10 Simple Casino 100% Welcome BonusPlay Now
3 10/10 10/10 10/10 10/10 10/10 NySpins Casino 200 Free SpinsPlay Now

There are tens of hundreds of internet casinos available online. On OpalRB you will find only gambling operators approved by Gambling Commissions, with clear bonus terms and conditions and legit, fast payout methods.

Opal Ruby casino sites are loading fast on desktop and on mobile. Casinos comparison can be run in any browser with no special app implementation.

Safe and reputable online casino

Our casino tests involve a process of exposing insecure and dubious casino sites step by step, leaving only the best online casinos where you can play for real money under safe and reputable conditions and enjoy a 100% satisfactory gaming experience. In our tests we make sure that the online gambling operator has achieved a top rating in many different areas. We review casinos from all the countries, including Sweden (Svenska Casino), Finland (Nettikasino), Norway (Nettcasino) and many more!


The quantity and above all the quality of the casino games offered must be outstanding.


Your data and transactions must be 100% secure.


Deposits and casino withdrawals must be reliable and fast.


The supplier must have a European license.


Offers and promotions must be serious and lucrative.


The provider must offer games for mobile devices

Slots, Roulette, Blackjack, Poker – Which is your favourite game?

You will find so many different casino games at all the casino sites we recommend. What is your favourite game? Would you like to try your luck at slot machines and make big profits with little bets? Or do you prefer to rely on the fair odds of winning at Roulette, Video Poker or Blackjack? With our help you can now find the top casinos for your favourite game.

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Slot machines

Our recommended casinos come with an excellent selection of online slots. Often online casinos offer over 400 or even 500 different slot games, from one-armed bandits to modern video slots and progressive jackpots with millions in winnings.


Roulette is the most popular of the traditional casino table games, offering a wide range of betting options and of course plenty of excitement and action. Especially the live roulette games inspire more and more players from Germany, but also the automatic roulette variants are convincing.


Blackjack is considered the most popular card game in the world and the Blackjack tables are one of the highlights of any land-based casino or online casino. Live Blackjack and also the many different automated game variations offer great entertainment and high payout rates.

Video poker

Video Poker combines the best of the world of online poker with exciting casino slot machines. These virtual gaming machines allow you to play draw poker machines that can follow different rules. You can often even win a jackpot. The poker machines are especially popular because of the good chances of winning.

Online casino sites: FAQ

Why play at a real money online casino?

The online real money casinos have been booming for more than a decade. What are the main reasons behind their success? The rate of return to the player (therefore the earnings) is higher than that of a land-based casino. You will be able to receive bonuses and promotions of all kinds. Hundreds of games and slot machines available. Lucrative entertainment is provided 24/7, all without you having to leave your home.

Can I win big at the online casino?

At an online casino, there is something for everyone… This is also true in terms of the size of the winnings that can be released. Some machines offer jackpots of a few thousand euros or dollars, depending on the bets you wish to make. Others even offer the possibility of playing progressive jackpots. These games have already made hundreds of millionaires this year, proving that it is indeed possible to win big at an online casino!

Where do you find the best online casino bonuses?

It is not possible for a player to surf from casino to casino looking for the highest bonus. The loss of time would be considerable, and the risks would be too great. We have therefore simplified your work by gathering, on a single page, the best bonuses of the moment (including their amount, but also and above all their release conditions). And to boost everything, we have even negotiated for you exclusive offers.