Largest online casinos

Do you find yourself growing frustrated with smaller casinos and instead find yourself searching for the biggest and best online casinos? Take a look at the complete list of online casinos offering the widest range of gambling options right here! All of the online casinos listed below have a minimum of 1000 casino games in their arsenal. Now that’s a lot of winning! Let's have a look at these online casinos.

Biggest online casinos in 2020

What make large casinos so great?

When you are new to playing at online casinos, then the average-sized online casino might already feel like a vast wilderness to traverse.

With so many different games available from so many different providers for online gambling, it might be hard to see the forest for the trees. However, do not be put off by a casino that might look intimidatingly large because we here at CasinoTopsOnline can tell you exactly what to look out for and how to make the most out of your casino experience and win a big jackpot. 

The list above contains some of the very best online casinos that offer the biggest range of casino games available. Slots of every kind, including movie themed video slots, classic fruit slots and even the good old pub slots or one armed bandits are all waiting to be played at these casinos. If you’re on the lookout to chase a truly massive win then why not try out one of the many progressive slots you’ll find at these large online casino sites?

Perhaps you’re looking for something other than slots to play in your free time? How about trying your hand at live casino table games such as poker, baccarat or roulette where you’ll have the chance to play against other punters such as yourself?

Of course the most exciting opportunity about playing at large online casinos is that the options are almost endless! That means you’ll get the chance to play your favourite version of all of the table games too. Casino Hold’em, Three Card Poker, Vegas games and everything in between!

Which are the biggest online casinos?


Rizk 9.7/10.0 CA, DE, UK, IN, NZ, ROW Yes
888 Casino 9.4/10.0 CA, DE, UK, US, EU, ROW Yes
Jackpot Village 8.7/10.0 CA, DE, UK, NZ Yes
Leovegas 8.5/10.0 CA, DE, UK, NZ, EU, ROW Yes


What kind of of games are available at large casinos?

There are several online casinos out there that are simply enormous. They offer a wide array of different online casino solutions, ranging from the well-known games to the most obscure niches.

Here you will find the most common slot machines, with a good payout, from popular providers like Starburst by NetEnt as well lesser know and independent software developers like StormCraft Studios. Large casinos pride themselves in being able to cater to the needs of all online casino visitors and they can only do so by offering every single casino solution available. 

Keno, bingo, slots, sports betting: you will find everything on these platforms.


Slot Machines from all providers 

Discovering new and exciting casino slots is one of the favourite past times of gamblers. Slot machines come in all shapes, colours and sizes, allowing for a huge variety in gameplay and dynamic.

When you first start out on your online casino journey, opting to play at a large casino might be the best way to go as you can try many different slot games to find out which ones you like best.

If you discover that you’re a big fan of classic pub slots with 3-reels and very little features then Merkur, Pragmatic Play, IGT and Novomatic are the software providers with the best games for you.

If you prefer fancy and flamboyant video slots with a good RTP with beautiful graphics and lots of different features, then games by Thunderkick, Yggdrasil Gaming, Red Tiger Gaming and Play’n Go are more up your alley.

By choosing to play at a large casino, you have the freedom and variety to try out all of these games. The best thing is, large casinos know that they have lots to choose from, hence why they often times offer players to try out the games for free before playing for real money.


Live Casino Games and Table Games

The same goes for live dealer games and table games, a large casino has a huge variety of different ones. Ranging from the standard roulette and blackjack versions to various video pokers and other niche games like Sic Bo, Pai Gow and Red Dog.

To sweeten the deal even more, with so much to choose from large casinos usually have dedicated live casino bonuses available for players who prefer these games. This means that both slot players and live casino players can both enjoy fantastic bonuses, free spins, free bets and no deposit bonuses on their favourite games. 

When you visit large casinos, then do not forget to check out their live casino and table games section and you might just discover an interesting game that you have never encountered before.


Bingo, Keno and Instant Win Games

It is universal for every standard online casino to offer both slot machines and live dealer games. If they don’t, then it probably is not a very trustworthy casino. However, when it comes down to the largest online casinos out there, they often also often these instant win games for players who do not have time to spin the reels or sit down at a virtual roulette table.

You will find these instant win games, like scratchcard and lottery tickets, under the games section of the casino. Simply place your deposit and select your preferred game to reveal your instant prize.

If you are lucky, you might make a pretty buck. The best thing about instant win and scratch cards is that the casino offers them for mobile devices, meaning you can easily play these games on the go. 

Huge progressive jackpots

Biggest the casino, biggest the jackpots offered! If you are a veteran of the gambling industry, you must know the big casinos usually have the richest jackpot slots. This is not always possible on the new casino, as not many players are playing with the online slots, growing the jackpot.

The oldest and biggest casinos licensed in Malta, UKGC or Gibraltar, have usually some crazy jackpot to win. Using a first deposit bonus offer to play casino or bonus spins, could help to increase the gaming experience when playing with these games.

Check out the gambling sites on this page to redeem the best offers in the online gaming industry. T&Cs apply to each offer you select; make sure to read them and some info about the gambling companies of your choice before making a deposit.

perks of playing the largest online casinos


Advantages of Playing at Established Online Casinos

There are many advantages of playing at established mobile casinos, but the main reason why it’s advantageous is because of the solid experience they would have accrued over the years in delighting their players. The following are some of the advantages that players will benefit from when playing at the largest online casinos:

  • Safer and More Secure;
  • Bigger selection of casino games;
  • Faster Withdrawal times;
  • 24 Hour support;
  • Unparalleled mobile experience through mobile apps;
  • More bonus offer & promotions on 1st deposit;
  • More payment methods available;
  • Regulated by the most respected regulatory bodies in the industry;
  • No risk of malpractices.


Largest Online Casinos: Quantity over Quality?

One can argue that with large casinos, they focus more on quantity than quality, yet we beg to differ. Some of our favourite large online casino are listed in our top 10 online casinos.

We didn’t only choose to promote these casinos based on the scale of their operations, but also because they are frequently updated, offer weekly and monthly deals and welcome bonus and generally provide excellent customer support across multiple languages.

When a casino expands and becomes a large scale operations, you need to understand that they have quite a big brand name to uphold and the casino review will do everything to keep their players in good faith.

This means that while sometimes it might be hard to choose which games you want to try first, you can always trust in the fairness and quality of a large online casino. 


Why should you play at a big online casino?

If you’re a beginner then the more options you have to choose from, the better. Playing a wide variety of casino games is the only way to find out which ones are your favourite (and there will be many), and which ones you excel at the most.

Don’t be afraid to experiment with a particular casino game you’ve never attempted before. You could be stumbling on to the game that changes your life forever. 

Playing at a large casino also gives you the opportunity to use different devices. Perhaps you want to finally try playing your favourite slots or table games on your mobile device? There’s no better way to be a winner while on the move than by choosing a casino that has a wide variety of mobile games for you to play.

Most well established online casinos accept players from a number of regions, as long as it's legal to play in that certain jurisdiction. For instance, whether you're looking for the best Canadian online casinos or the largest ones in the UK, chances are that largest ones accept all players. 

Last but definitely not least, a great reason to play at huge online casino sites is due to the range of games available that you may not find at smaller casinos. These are games other than slots and table games, but rather the more casual games such as scratch cards, bingo games, lotteries and so much more!

The possibilities and choices are endless when playing at the best online casino sites boasting large catalogs of games from different software providers so be sure to try out one of the many options we have listed on this page.

biggest online casino = biggest game selection

Many games available in the biggest casinos

Some of the biggest online casino operators we suggest you play are 888 casino, Betfair casino, Paddy Power casino and William Hill casino. These operators are pretty "aged", and they use the best software providers on the market.

On these big casinos, you can find the online casino games and sportsbook from Playtech, Microgaming, Novomatic, and much more.

Wide choice of payment methods to play

Either you play the casinos licensed from the UK gambling commission or MGA, you will find a wide choice of payment methods to play. The largest online casinos are offering payment options such as debit cards, Neteller, PayPal, Skrill, VIP Preferred and many other methods available in the top online casinos.

Some casinos offers are also tied to some specific payment method, to push the new customer using them when playing. Remember each promotion has some wagering requirements both new players and high rollers must follow to convert and withdraw the bonus.

Where is the largest casino in the world?

The largest casino sites is the WinStar World Casino with a size of 600.000 sq. feet. 

Which is the largest online casino in the world? 

The largest casino in the world is 888 casino. This online casino is available in almost all countries in the world.

Which are the benefits to play the largest casinos?

In few words, best bonuses, best promotions, best games and best customer service.

This page was written in 2015, and is now maintained by Sean Johnson. Should you have any questions or see any discrepancies on this page, feel free to reach out to her. The casino list at the beginning of the page is revised each month, to ensure we only offer the very best casino sites to our readers. Let's have a look at some handpicked references you may find interesting.