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Welcome to Online Casino King!

ChipsOnlineCasinoKing: the home of the bigger online casino bonus! We negotiate Exclusive Casino Bonuses for our players so you get a better deal. Plus bonus & promo news, tips, free casino games and breaking stories on our blog. Check below for more than £2000 worth of bonuses from the best UK online casinos.

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125x125Featured Slot
Is the Gladiator Slot the best slot game on the web? It's our we think so!

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125x125Featured Roulette
If you are a fan of roulette, we recommend you play French Roulette. The odds are better.

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Our Favourite Gambling Quotes

"Quit while you're ahead. All the best gamblers do."

"Every dog has his day in luck."

"The only sure thing about luck is that it will change."

"Decide upon 3 things before you begin:
The rules of the game, the stakes, and the quitting time."

125x125Free Slots Games
Thunderstruck II is another of our favourite slots. Play the demo game in our free casino games registration required.

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125x125Free Roulette
Or try our free Premier Roulette Demo. It's dead classy!

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What Else is on Online Casino King?

As well as the free casino games section (have you tried the new Dolphin Quest Slot)?, we have a area dedicated to casino bonus offers, where we have listed our our favourite match, no deposit casino bonus offers and free spins offers. Have a browse around.

These days many people are playing on thier iPhones, iPads and Android devices. Head to the section on mobile casinos to see our pick of the best places to play if you are swiping and tapping rather than sitting and clicking. 

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What We Do at Online Casino King.

ChipsFirst of all, we'd like to extend a warm welcome from!
We´re passionate about what we do: reviewing and testing out online casinos, and we are here to try and act as your guide though what can be a maze.
The popularity of casino games online has boomed in the past five years, thanks to a faster Internet, smartphones and a big online choice of casino games that now betters the games that you find at "land based" casinos.

And with huge slots jackpots,  a choice of live or virtual games and some world's leading entertainment brands involved you can start to understand the growth in popularity.

At OCK we try and help guide you to find the best casino for you through:
1. The pick of the fairest, friendliest and safest online casino sites that pay out fast when you do win.
2. Unbiased reviews of the best casinos out there for UK players
3. Exclusive bonus offers so you'll enjoy more bonus than the average (you won´t find many of the offers here anywhere else).
4. Comprehensive guides to the most popular online casino games including blackjack, roulette, craps, video poker, slots and baccarat.
5. Free Systems. Will they increase your odds? No, but they might help you stick to a plan & they are free.
6. A Blog with the latest news and our take on the online casino world.
7. A news section with all the latest casino bonus news and low down on tournaments.

Sign up for our newsletter (top right) for free systems and the latest exclusive bonuses. It´s easy to subscribe/unsubscribe and we promise to keep your details private.

If you like to Tweet, message us at @casinokinguk or if you are more of a Facebooker, you can find us at

We really hope you enjoy the site. Play smart and have fun and please remember to play responsibly. You should treat casino gambling as entertainment: only play with money that you can afford to lose when you visit an online casino.