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666 Casino Review – Quality Casino Software Choices

Fraser Wallace Written By Fraser Wallace
Last Updated on 06.08.2024

Be prepared for an immeasurable gambling satisfaction, to which our 666 Casino review will merely offer a glimpse of. Learn about all the games, software and security factors of the gambling site to see whether you’re ready to do a deal with the devil.

Our Rating of 666 Casino - United Kingdom United Kingdom Flag

Overview – One Click to Your Topic
Games 1500+
Jackpots 64
RTP 96.12%
Customer Support Live Chat 24/7, Email UK flag
Most Popular Game Book of Dead
Fairness Ensured By eCOGRA
Player Protection GamCare, GamStop
Gambling Licence UKGC Licence 329546
Welcome Bonus £66 + 66 Spins
Visit 666 Casino Play Here!
Website 666casino.com
Overall Rating 4.3 / 5
666 Casino Highlights:
Software Rank Best Play’n GO Casinos
Payment Rank Best PayPal Casinos
Full T&Cs Apply. 18+. New players only. Min. deposit £20. Max. bonus 100% on 1st deposit. 66 spins on Big Bass Bonanza on 2nd deposit. 35x wagering applies, within 21 days. Max. wins from spins £100. Spins expire after 24 hours. Full T&Cs app

The table above gives you a bit of an indication of the main important judging criteria that we have considered when putting together this 666 Casino review. As you read on, we’ll describe the casino in minute details, with information about the types of games, the payouts, user experience and safety features.

666 Casino Overview: 2024 Summary

666 Casino is an online casino under the UK Gambling Commission licence number 329546. The website offers a total of 1500 casino games, with over 60 jackpots. The average payout based on eCOGRA audits is 96.12%. The most popular 666 Casino game with UK players is Book of Dead. 666 Casino is among the best Play’n GO gambling sites in the UK.

666 Casino Games: A Bottomless Pit of Slots

The portfolio of games that are available to play online is one of the most important criteria to consider when picking a casino, because if the 666 Casino games don’t include your favourites, there’s no point signing up. This next section will describe the table games, slots, video poker, scratch cards and card games that you’ll find on this site.

The Most Popular 666 Casino Slots & Table Games

The 666 Casino games tick all of the boxes for a standard online casino gambling experience. There are almost 2,000 different titles available to play on the casino, though that predominantly consists of the more than 1500 slot games. This is on the high end of average for the industry these days.

Across the entire casino, we were very impressed with the variety of themes, gameplay types and options that is available. There are unfortunately no arcade games as yet available, though this is a growing section of the sites ‘Fun’ games section. Here are the best 666 Casino games available at the moment:

We are very impressed with the selection of 666 Casino games that are available. Almost everything you want is catered for, though if we were going to be very picky then we’d like a few more video poker games than the four that are available. The following table illustrates the game variety at 666 Casino Games:

The Most Popular Games at 666 Casino
Slots (1500+) Roulette (7) Blackjack (12) Table Games (14) Video Poker (4)
Immortal Romance Roulette Advanced Blackjack Neo Casino War All Aces Poker
Aloha Cluster Pays Roulette Double Ball Buster Blackjack 100 Bit Dice Jacks or Better Double Up
Guns ‘n’ Roses European Roulette Blackjack Lucky Ladies Let it Ride DJ Wild Stud Poker
Foxin Wins American Roulette 21 + 3 Texas Hedge’em Jacks or Better
Dazzle Me French Roulette Perfect Pairs Texas Hold’em
Twin Spin Roulette Master Classic Blackjack Swap the Flop

The games come from an astonishing 115 different software developers, which is more than almost any of the top slots casinos. Most of the blackjack and roulette games come from FELT which is well known for its beautifully animated titles.

The Live Games Selection

No online casino worth its salt these days is complete without a live casino games, and of course the 666 Casino suite is no different. The majority of the lobby of live dealer games comes from Evolution, and there is also a smattering of NetEnt live casino games. The Online Lobby of 666 Casino

Taking Things Mobile

The 666 Casino online casino is playable on mobile as the website has been made in a responsive format to suit any device that accesses it. There is no downloadable app available, which is becoming more and more common these days for UK mobile casinos, as you can simply open the site through your favourite web browser and save on download space.

666 Casino Mobile Gaming An adequate gambling experience awaits you through your smartphone or tablet device.
£66 + 66 Spins
Full T&Cs Apply. 18+. New players only. Min. deposit £20. Max. bonus 100% on 1st deposit. 66 spins on Big Bass Bonanza on 2nd deposit. 35x wagering applies, within 21 days. Max. wins from spins £100. Spins expire after 24 hours. Full T&Cs app

Unfortunately, the 666 Casino software for mobile is not very good. The site functions and the games themselves work beautifully once you’re in them, but the user experience when scrolling through the slot library is pretty clunky. This is pretty disappointing, as the experience on the desktop is much better.

666 Casino Table Limits: High-Stake and Low-Stake Options

The 666 Casino online casino is mostly targeted to the low-rollers among us, with very low table limits available for all games. This is great for those who enjoy testing out lots of different titles, or have a smaller ongoing gambling budget, as the barrier of entry is very low.

The high rollers would be better suited to the live suite section of the 666 Casino games, where the upper limits head up into the tens of thousands of pounds. That being said, those who really look for a high-adrenalin kick may be better suited to the likes of William Hill casino, where you can drop up to £400,000 on a single roulette spin.

666 Casino Games by Category
#1 666 Casino High Stakes Slot Starburst
#1 666 Casino Low Stakes Slot Immortal Romance
Best High Roller Roulette Advanced Roulette
Best High Roller Blackjack Atlantic City Blackjack
Top Low Limit Roulette 20p Roulette
Top Low Limit Blackjack Classic Blackjack Gold
Highest Live Dealer Max Bet Live Roulette
Lowest Live Dealer Min Bet Mega Ball

RTPs and 666 Casino Payouts

Due to the fact that the majority of the 666 Casino games are slots, this brings the payout rate down to 96.12% average RTP. This is on the high end of average for the industry, though there are definitely some highlights that are above 99% On top of that, we were very impressed when researching the 666 Casino payout rates. Not necessarily because of the actual average RTP of the titles, but more because of the transparency that the casino provides for the numbers. Full RTP rate overviews are available on the casino website so you can very easily choose the best one for you.

  • .

  • Classic Slots 89.00 - 99.00%

  • Video Slots 88.00 - 99.16%

  • Roulette 94.75 - 98.00%

  • Blackjack 99.00 - 99.75%

  • Table games 96.38 - 99.92%

  • Video Poker 98.63 - 99.56%

  • Scratch Cards 65.27 - 96.75%

  • Arcade Games* 00.00 - 00.00%

  • . .

  • . . . . .

  • Return to Player (%)

* Not available

Understanding the RTP rates can be useful when trying to select from the huge number of games that are available to play, as the low RTP titles should be avoided if possible and the high RTP titles should be preferred. The numbers go a long way to certifying the fairness of the games as well, which is great for the player’s peace of mind.

The RTP numbers are trialled and tested by third-party auditors, who run the games through millions of simulations to come out with the average numbers that make the 666 Casino payout. However, this is a theoretical number that cannot be applied to a single person, unless they play millions of spins themselves.

The 666 Casino Welcome Bonus

The 666 Casino welcome bonus, as you may expect, includes the number six quite a lot and is made up of two offers. The headline offer is a 100% matched bonus up to £66 of your first deposit. Should you make a second deposit, you’ll receive 66 free spins on the Big Bass Bonanza slot.

This bonus only applies to deposits of £20 or higher, and will be credited instantly upon making your first deposit. The devil is always in the details so please read the terms and conditions carefully.

Both welcome offers have a playthrough requirement of 35x for any winnings you should accumulate. For example, should you win £100 from one of the bonuses, you would have to playthough £3500 before you are eligable to make a withdrawal.

How to Claim the 666 Casino Welcome Bonus

Claiming the 666 Casino bonus is easy. First-time depositors can see how simple it is to claim the welcome package in our step-by-step guide below. One important point worth mentioning again is the offer is only valid if you deposit £20 or more.

666 Casino also offers ongoing promotions for returning players which you can locate under the promotions tab. While other operators have casino free spin offers throughout the week, 666 Casino has a Daily Spins Frenzy. This is where you can get up to 50 spins when completing their daily Spin Frenzy Challenges!

What are the Wagering Requirements?

The term wagering requirement refers to the conditions you must fulfil before being able to withdraw any bonus funds as cash. Typical requirements involve the number of times you need to playthrough a bonus amount. Other requirements are usually validity, minimum deposit and payment method.

The wagering requirements at 666 Casino can be described as fairly typical. You must play through any bonus 35 times before you can withdraw it as cash. All bonuses are valid for 30 days and certain payment methods may be restricted.

Wagering Requirements at 666 Casino
  • Roulette 0% Including Live

  • Blackjack 0% Including Live

  • Slots 100% Some Slots Excluded

  • Video Poker 0% All Varieties

  • 100% Scratch Cards All Types

  • 0% Casino Poker All Varieties

  • 0% Live Games All Variants

  • 100% Dice Games Only Keno

Another important point is the type of games for which you are eligible to playthrough the bonus. The table above shows you the percentage contribution of different games. Notice that slots have a 100% contribution – though certain games including live games will be excluded.

All table games such as roulette and blackjack are totally excluded. This is typical at many casinos these days. If you are looking for an operator who allows some table game contribution, then take a look at Mansion Casino.

666 Casino Deposit and Withdrawal Methods

The payment methods of 666 Casino afford much-wanted freedom to the player there to deposit and withdraw in the efficient and convenient way they are used to. All bases are covered – e-Wallets, online banking, debit cards, prepaid cards – you name it, they’ve got it. So what do you do when the choice is on your side? Pick the faster and most secure option possible. Have a look.

Payment Method Type Minimum Deposit Casino Withdrawal Payment Fee
Paysafecard Prepaid Card £10 No No
Trustly Online Bank Transfer £10 Yes No
Skrill e-Wallet £10 Yes No
Neteller e-Wallet £10 Yes No
PayPal e-Wallet £10 Yes No
bank Transfer Bank Transfer £10 Yes No
Visa Debit Debit Card £10 Yes No
MasterCard Debit Debit Card £10 Yes No
Giropay Online Banking £10 Yes No
Payz e-Wallet £10 Yes No

All of the above are secure and internationally approved payment methods, so whichever you opt for, you will sufficient argumentation behind your decision. What we can say as unbiased reviewers is that e-Wallets tend to perform the best when it comes to processing speed.

They are also as convenient as online banking in that you can control your transactions without anyone’s help or authorisation. 66 Casino claims that over 85% withdrawals are processed in under eight hours. If true, pretty impressive.

User Experience of 666 Casino Software

When discussing the 666 Casino software and website, the first thing that must be discussed is the theme. The cartoonish hell-themed site with the cheeky devil holding a trident is the mascot of the site, giving a very unique feel to what is essentially a templated Aspire Global casino.

That being said, the template layout of the casino is very user friendly, with large grid-like layout of the titles splashed across the screen. Sometimes with so many titles, the pages load slowly, however 666 Casino software loads very quickly. The games are sorted into sensible categories and the search function is responsive.

Some Details About 666 Casino Software
Software Provider Blueprint Gaming
Website www.blueprintgaming.com
Game Developer(s) 1×2 Gaming, Bally, Barcrest, BTG, Elk Studios, Habanero, IGT, iSoftBet, Lightning Box, Microgaming Neogames, NetEnt, NoLimit City, Play’n’Go, Playson, Pragmatic Play, Quickfire, Quickspin, Scientific Games, Thunderkick
Payment Methods Skrill, Neteller PayPal, Trustly, MuchBetter, Payz , paysafecard
Languages English
Download-Size No Download
Hardware Requirements No Download
Software Requirements No Download
Instant Play Requirements Internet Connection Required

As is the trend over the last few years with online gambling, 666 Casino online casino is one of the many no download casinos that are available. All this means is that you do not need to download a software client from the site in order to play, you simply need to access the website with an internet connection.

Although there are more than nine software developers that provide titles to the 666 Casino games portfolio, the collection is rather eclectic, including everything from the very cartoonish styles to the art deco titles. This is great news for gamers who like to try lots of new things and adds to the overall hectic aesthetic of the casino .

666 Casino Online Casino Company Information

In this section of the 666 Casino review, we’ll take a look behind the scenes at the operator and its parent company. The site was launched in 2018 to join the White Hat Gaming portfolio, which also includes Playzee and Dream Vegas – some of the UK’s favourite options.

Facts from Behind Closed Doors

666 Casino software, through its affiliation with White Hat Gaming, has a relationship with several responsible gambling organisations. On the list of collaborations includes GamCare, GamStop and BetBlocker, which all work to diminish or treat problem gambling in UK punters.

More Information About 666 Casino
Company Security Player Protection Support
Name: 666 Casino Encryption: SSL Deposit Limits: Adjustable Phone: Not Available
Head Office: 135, High Street, Tas-Sliema SLM 1549, Malta Licence: 39483 Activity Limitations: Available Email: support@666casino.com
Parent Company: Aspire Global IT-Security: Amazon Trust Self Exclusion: Available Contact Form: Not Available
CEO: Tsachi Maimon RTP Analysis: eCOGRA Protection of Minors: Guaranteed Live Chat: 8am-midnight (CET)
Employees: ~200 Anti-Money Laundering: ID Verification Problem Gambling Organisations: GamCare, GamStop

Getting in Touch with Customer Support

When it comes to asking for help with specific questions about the games or payouts, or anything really, you can reach out to 666 Casino support. Unfortunately, there are not many contact methods available. You can use email or live chat, which are available 8am-midnight (CET). Players must be logged-in to use live chat, but there is no phone number.

666 Casino Software Security and Safety

When making real money transactions at a casino, you want to be sure that your money and banking details are in safe hands. Of course, when a casino has a licence from the UK Gambling Commission, then the safety is already guaranteed.

As part of the requirements for gaining a licence to operate a casino in the UK, a casino must show that it has high-quality encryption from a prominent security company. In the case of the 666 Casino online casino, the encryption software is provided by Amazon.

On top of that, the fairness of the casino games must be guaranteed by a third-party auditor to ensure that the RTP percentages are legit. The 666 Casino payout rates are certified by eCOGRA, one of the industry’s leading authorities on RNG software regulating.

Additional Highlights and Points

The 666 Casino online casino was only launched in 2018, so it hasn’t had much chance to do anything spectacular. We award full points to the operator for its great bonus, which is one of the best casino bonuses that are available to UK punters at the moment thanks to its combination of bonus cash and free spins.

  • Awards 0/3

  • Promotions 3/3

  • Special Games 2/2

  • Loyalty Scheme 0/1

  • Extras 1/1

  • Bonus Points 6

Unlike some of the other sites under the Aspire Global umbrella such as Griffon Casino, 666 Casino doesn’t have a VIP or loyalty programme available for its players. Instead, to retain the loyalty of its players it offers various weekly and seasonal promotions. This is kind of disappointing, though it does make some sense to differentiate the brands.

666 Casino Review Conclusion

Overall, our 666 Casino review is very positive. We especially are impressed with the quality and quantity of the titles that are available in the game library, as well as the multi-faceted new player promotion. The theme of the casino itself could be divisive if you’re not particularly a fan of the demonic side of gambling.

If you enjoyed this article on 666 Casino, feel free to have a look at some of our best online casino reviews of the top online casinos in the UK. We cover all of the same criteria so you know what it’s like to play at specific sites before signing up.

Strengths and Weaknesses of 666 Casino
Major Strengths
  • Fun Website Design
  • Fast Withdrawals
Minor Strengths
  • Good Payment Method Options
  • Lots of Jackpots
Major Weaknesses
  • Few Video Poker Titles
Minor Weaknesses
  • No Phone Contact Option
£66 + 66 Spins
Full T&Cs Apply. 18+. New players only. Min. deposit £20. Max. bonus 100% on 1st deposit. 66 spins on Big Bass Bonanza on 2nd deposit. 35x wagering applies, within 21 days. Max. wins from spins £100. Spins expire after 24 hours. Full T&Cs app
Fraser Wallace, Author in online-casinos.com
Fraser Wallace – Author and Casino Expert

The spirit of responsible gambling is alive and well in 666 Casino. What else pays a compliment to the online casino’s structure is the 24/7 live customer support service. Customer care really takes centre stage.

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Frequently Asked Questions

You may still have some leftover thoughts and queries about the site at the end of this 666 Casino review. Others have too, so we’ve collected the most common questions and answered them below. If you have an additional question to submit, please email us at contact@online-casinos.com.

Is 666 Casino safe?

We can firmly say that 666 Casino's online security is on the desired level for a licensed UK casino site. The operator holds a valid licence from the UK Gambling Commission, has its site protected by encryption, and has taken measures to prevent gamblers from self-harm.

Which are the best 666 Casino games for UK players?

The 666 Casino games include everything you might want from an online casino, including table games, card games, slots and scratch cards. The best games, arguably, are found in the live dealer section. There, you can play live roulette and blackjack variants developed by the industry's best.

How good are the 666 Casino slots?

Slots are among the top game titles at 666 Casino. A quick look at the slots section puts you in mind of a world-class casino. The site of 666 Casino offers hosts games of the calibre of Rainbow Riches, Mega Moolah, Immortal Romance, Starburst. There are classic slots too.

Is there a 666 Casino no deposit bonus in the UK?

A thorough overview of 666 Casino showcases no no deposit bonus for new or existing players. What you can take advantage of as a new customer is the welcome bonus offer, but it requires a deposit to be made on your part.

Are there 666 Casino free spins?

As part of the 666 Casino welcome bonus package, up to 66 free spins can be yours if you meet the conditions specified there. The said free spins are subject to wagering requirements, max bet limitations, and game eligibility criteria.

Can I play 666 Casino on mobile?

The short answer is 'yes'. There is no 666 Casino software to download as an app, but you can access the full gambling platform as part of the web-app based 666 Casino mobile site, which has all the games you might want for gambling on the go.

Are there 666 Casino live dealer games in the UK?

666 Casino's games with live dealers are the preferred gambling destination of many players online. It's no wonder as the selection, features, and betting limits are more than inclusive. Every real-time gaming enthusiast will appreciate the lengths the operator has gone to build this segment.

Are the 666 Casino payouts legit?

It goes without saying for a licensed by the UKGC operator that payments are guaranteed. The same goes for the Casino 666 payouts, which are timely as well. You can always dispute decisions or unfavourable outcomes, but you, most likely, won't need to.

How can I contact the 666 Casino online casino from the UK?

The most important additional information about 666 Casino is the customer support contact methods. They are, namely, 24/7 live support chat and e-mail. Find a company representative at support@666casino.com or message one directly in the live chat if you are already familiar with the company website.