Jackpot Slots

Looking to play some high-end jackpot slots? Then you have come to the right place. On this page you will find online casinos that have a proven track record of their players hitting a massive jackpot. Whenever a player is lucky enough to rake in that life-changing amount of money, it is considered an honour for the online casino to make such an event possible. They are usually swift to announce the good news to the rest of the gambling community, taking great pride in their winning player. Below you will find online casinos that have made many a punter happy with a large jackpot win. 

Best Online Casinos for jackpot slots

Play Jackpot Slots For free at CasinoTopsOnline

At the bottom of this page, you will find a great selection of jackpot slots casino games, complete with an extensive review of their gameplay and a free demo you can play. This allows you to get a good look and feel of the game before you decide to wager for real money. You will also be able to determine the hit frequency before having to spend any cash, giving you a better indication of what your chances of winning are. On top of that, being able to play jackpot slots for free, allows you to set your own gambling budget. 

Unfortunately, some progressive games are not available in a free demo mode, while others come with a fixed coin value. Anyone can win at progressive and jackpot slots! All you have to do is play and you could be the next instant online casino millionaire! 

Choose from the newly-released jackpot games as well as the absolute classics of the industry. 



Check out some of our readers’ faq regarding jackpot slots. If your questions haven't been answered, contact us so that we can provide you with more information. 


Video slots, table games and scratch cards can all contribute to the Progressive Jackpot Network system. Online casinos with jackpot casino slots games use a shared “Progressive Jackpot Network” system to award bigger cash prizes to lucky players. Nowadays, these casinos slot machines are some of the most popular online casinos slot machine games and continue to produce big winners every day. At CasinoTopsOnline, we have reviewed the best jackpot online slots and casinos to play progressive jackpot games.

A tiny percentage from every spin of a jackpot slot is put in a separate, collective pot and players from all the different online casinos playing the particular jackpot slot will be competing for the big prize. In other words, it doesn’t matter where the jackpot slot is being played, whether it’s at Casumo or Guts Casino, all players spinning the same jackpot slot will all be contributing to the same jackpot. When a progressive network jackpot is won, the software provider sends the information to its central progressive server to verify the win - which is then instantly credited in the player account.

When you play progressive slots online you make winning the jackpot a real casino possibility! Some jackpots are random, but most often there are exciting bonus featured games involved like a Wheel of Fortune style feature or “pick” casino bonus games.


Before playing with real money, it would be a good idea to try playing the slots to see if you actually like the game or not? Because the idea of scoring a big win is very intriguing and exciting it is easy to forget how addictive these games can be.

By setting deposit limits and playing responsibly you can assure yourself that you will not blow out your gambling budget within 5 minutes and be tempted to deposit more. There is no indication that the higher you bet the more chances you have of winning the jackpot, it is completely random and thus there is no effective strategy that you could put in place.

Winning a progressive jackpot has a much larger number of odds than those of normal slot machines, however, one should always remember that the risk of losing is also much higher.


Fixed jackpots are jackpots that come with a set jackpot sum and are not connected to the jackpot network. They are more affordable than progressive jackpots that have reached millions in prize money since their coin sizes are fixed.

Their jackpots can be won by progressing through different stages of the casino slot. They also use a multi-tier jackpot system instead of one single jackpot. The player needs to progress through these different stages in order to hit the big prize. Usually, these different stages are called the “Minor Jackpot”, “Medium Jackpot” and the “Major Jackpot.”


In practice, every player who opts in on a progressive-style jackpot has as much chance of winning it as the next person. There really is no clear advantage one can have other than a deeper pocket or a higher spending budget. However, there are some factors to keep in mind the terms of the game mechanics of the jackpot slot you are playing on. 

Return to Player Percentage, or RTP for short is a major contributor to calculating how fast a jackpot slot can be won. The RTP is the theoretical hit frequency of how often and how easy it is to get a win on any casino slot machine. These wins can range from small payouts to winning the full-size jackpot.

The higher the percentage and the lower the house’s edge, the bigger your chances are of winning. All software providers are obliged to state the RTP on any games they release, which you can find in the game information details within the slot interface. Please bear in mind that most jackpot slots are highly volatile slot machines, meaning that their RTP and hit frequency is already low, to begin with when compared to non-jackpot slots casino games. This allows for the game to accumulate a much higher progressive jackpot since it is much harder to win.


Due to the fact that all payouts by a progressive slot are done at random, it is virtually impossible to pinpoint when the date of when the jackpot prize will drop. A Random Number Generator dictates all reel slots and licensed casinos have absolutely no control in determining the winning date or the winning person. How the symbols of the reel slots and where the land is all determined by this random number generator technology. This provides an environment of fair play and makes sure that all players have a chance of winning.


Bear in mind that not all jackpot wins are paid out in a single lump sum cash payment. It’s worth paying attention to which casino software providers have this policy in place. In addition to Network Progressive Jackpots, many online casinos offer mystery cash prizes that are available on almost any slot game. These "smaller" random jackpots can be won with any stake and at any time but note that they are not connected to a network!           

However, should you be the lucky player that snatches up the jackpot prize, you will be limited to the online casino’s withdrawal limits. These withdrawal limits can be enforced on a daily, weekly or monthly basis. This means that it might take a while before you can cash out millions of Euros / Pounds a withdrawal limit is enforced. Don’t fear, usually, online casinos offer support for jackpot winners and can allow them to increase their withdrawal limits under special occasions.


Jackpot slots have been introduced in Las Vegas Casinos for quite a good number of decades now. So how can you choose an online casino that gives you the same experience of winning a jackpot of a real vegas slot?

A top online casino would have a massive variety of slots available to cater to all its players' wishes and preferences. Make use of our list of best providers of casino software to find out which popular vegas slots have paid out the most in jackpots!


Of course, when it comes down to casino games, what makes a good game is highly subjective. Some people are enamoured with classic 3-reel fruit machines, while others prefer the newest slots with high-end graphics and a multitude of features. The jackpot that we offer comes in all shapes and sizes, making sure that every punter is able to find a game that suits their preferences. Below we have reviewed the best Jackpot Slots software providers, according to our expertise within the industry. If you have any suggestions on software providers we can add to the list below, do not hesitate to drop us a message on our contact page.


Yggdrasil Gaming is one of the most beloved game studios within the industry. They do not release games as often as NetEnt or Microgaming and with good reason. Yggdrasil Gaming is a small-scale independent game studio who seem to put their heart and soul into every game they make. 

Their jackpot slots are visually stunning and an absolute joy to play. Sadly, Yggdrasil gaming does offer only one progressive jackpot slot; Joker Millions, on top of its fixed jackpot range. The most popular among players seems to be Holmes and the Stones, which is a Sherlock Holmes-theme slot with a multi-tier jackpot system. If you are interested in more Yggdrasil jackpot games, you can find them here


Pragmatic Play is all about games with a simplistic design and soundscape. However, this does not mean that their games are boring. They are easy and straightforward to play and their jackpot slots have steadily become a favourite among punters. Their jackpot games usually feature some cultural theme, whether that be the Chinese New Year or a Western cowboy theme. 

Players who enjoy classic slots with a twist will certainly enjoy Pragmatic Play’s range of jackpot games.


Microgaming powers the world’s biggest online progressive jackpot network, with more than 40 progressive games on offer to keep players entertained. Microgaming’s jackpots are among the most popular for gamblers all over the world, largely due to the fact that Microgaming casinos offer a single lump-sum payment of all network progressive jackpot prizes. Microgaming has paid out over £400m super jackpots since the launch of its progressive network. Play Microgaming Slots instantly (no download required) from your PC or Mac, or download a free software application supported for Windows users only. The following are some of the most popular 3D slots from Microgaming:

  • Mega Moolah
  • Legend of Olympus
  • Big Bad Wolf
  • Immortal Romance
  • Avalon II

This software is compatible with mobile devices! Play HD Microgaming jackpot games on your iPad, iPhone, an Android smartphone or Android-powered tablet device.
Please note that Microgaming games are not available in the USA!


Realtime Gaming or (RTG), is great online gaming software and the maker of top-rated online jackpot slots! In addition to a wide range of progressive games, RTG casinos also feature random jackpots that can be won at any time and with any stake. These random jackpots are available on more than 100 RTG slots and may include minor and major jackpots or just a single major jackpot. Aztec's Millions, Jackpot Pinatas and Megasaur are three of the most popular jackpot slots casino games ever released by Real Time Gaming. 

One of the things that make this software so popular among the jackpot enthusiasts is that the games are available in most countries where the laws for online gaming are still unclear such as the U.S. and France. Play RTG Slots instantly (no download required) from your PC or Mac, or download a free software application supported for Windows users only. RTG games are available in most countries, including the USA and France!


Net Entertainment, or simply NetEnt, is the most innovative and high-tech software provider for the online gaming industry! NetEnt’s progressive slot Mega Fortune™ has paid out the largest jackpot prizes in online casino history. This glitzy game still holds the record for the biggest jackpot cash prize of €11.7 million. One of the best things about Net Entertainment jackpot games is that you can play them for free with no registration or download required.

NetEnts’ most popular progressive jackpot slots casino games consist of the aforementioned Mega Fortune™, it’s successor, Mega Fortune Dreams™, Hall of Gods™ and Arabian Nights™. Mega Fortune™  marked its name in the Guinness World Records for the biggest ever jackpot win from an online slot, at a whopping €17.86 million

Play NetEnt Slots instantly (no download required) from your PC or Mac.

This software is compatible with mobile devices! Play HD slots on your iPad, iPhone, an Android smartphone or Android-powered tablet device. Please note that NetEnt games are not available in the USA!


Playtech is another great online gaming software provider that has paid out over €200m since the launch of its ‘Win a Jackpot’ progressive games network. There are more than 20 exciting slot games with huge jackpots to choose from. Top jackpot games which you can find at all Playtech powered casinos include Gold Rally, Beach Life and the Marvel Jackpot multi-level progressive slots series. 

Playtech is one of the most respected game providers in the online casino industry, a name casino enthusiasts know and love. The company was formulated back in 1996 and through their incredible graphics, captivating sound effects and their games’ ease of use, Playtech has earned the reputation of being a household name.

Playtech’s Marvel branded slots are connected to a unique Marvel Jackpot network with 4 progressive prizes on offer that can be won randomly at any time and with any stake. Play Playtech Slots instantly (no download required) from your PC or Mac, or download a free software application supported for Windows users only. This software is compatible with mobile devices! Play HD slots on your iPad, iPhone, an Android smartphone or Android-powered tablet device. Please note that Playtech games are not available in the USA!


Choose from the top jackpot slots available at online casinos: