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Bojoko helps you find the biggest jackpot slots. Progressive slots can hold up to tens of millions of dollars worth of jackpots, and it can all come pouring over you with a single spin.
But are all jackpot slot games made equal, or are there some that just aren't worth it? Here we will teach you everything you need to know about jackpots, how they work and what you need to look for.
You can start by checking out our slot list. On this list, you'll find all progressive slots listed on Bojoko and reviewed by our experienced casino testers.
Find the best selection of jackpot games
These US-licensed casinos have the biggest selection of progressive jackpot slots on Bojoko. To narrow down your search criteria beyond the jackpots, try our ready-made filters. You can also create your custom filter and choose your own specs.
On this page
On this page, we'll help you learn about jackpot games, help you find the best ones for you, and show you where you can play them.
- Beginner level: What progressive jackpot slots are?
- Intermediate level: How do jackpots work?
- Expert level: Technical information about jackpots
Bojoko helps you find the best progressive slots
Jackpot slots have that one very important thing that separates them from normal slot games - the grand prize that keeps on growing with every bet made. So, it's really not rocket science to figure out what's the appeal of playing them.
On Bojoko, you can read all about jackpots online, and you can also read the slot reviews from our experts. They give you a balanced account of what the slot is actually like. We play the slots thoroughly instead of just relying on the info provided by the game suppliers. If we don't like the game, we say it and tell you why.
Above, you see two lists consisting of progressive slots and casinos carrying jackpot games. Clicking on any of them will give you more information about a certain slot or a casino. The casino reviews can also help you choose the right place to play jackpots.
As a member of Bojoko, you can review and rate the casinos and the slots yourself and join the conversations. This feedback is valuable to everyone and lets you help others to make informed choices.
Not a member yet? Join Bojoko for free!Find jackpot info relevant to you
For your convenience, this page is built to advance from basics for beginners to more detailed information for jackpot experts.
Beginner level
As a beginner, you're not completely sure what progressive jackpots slots are. Or, how they are different from regular slots. Starting from this point, you'll learn what progressive jackpots actually are and who makes them and which are the most popular.
Intermediate level
As an intermediate-level player, you're pretty familiar with jackpot slots. You might even have a favorite slot or a game supplier. Now you want to know more about how jackpots work. Why some slots have more than one jackpot and why the same game can have different size jackpots in another casino.
Expert level
For when you want to get down to the nitty-gritty! On the expert level, we'll focus more on numbers and statistics, as well as the RTP and volatility of jackpot games.
Also, we answer the common questions about jackpot slots games in our FAQ section.
How to find casinos with jackpot slots
1. Find a casino with jackpot slots from our list
Here on Bojoko, we have a huge list of casinos with jackpot slots. You can use ready-made filters to narrow it down or add personal ones to find the perfect casino for you.
2. Read the expert and user reviews
After choosing a casino, you can read what our experts and other users have said about it. Their personal experiences will help you see what it's like to play there.
3. Go to the casino
Every review page has a green ‘PLAY HERE' button that takes you directly to the casino. If we have any kind of a special bonus offer for that casino, the button is the way to get them.
4. Register and play
When you get to the casino, you need to register an account. Just follow the instructions, fill out the required details and verify your email if asked. Then you are free to deposit and play all the best jackpot slots.
Beginner level: What are progressive jackpot slots?
First, it's good to know how slots work in general. Knowing the basics of online slots is a great help in understanding jackpot games.
Jackpot slots are slot games that have a sizable 'grand prize'. There are two main types of jackpot slots:
- Fixed
- Progressive
Fixed means that the jackpot doesn't grow, while the progressive jackpot grows until it's won. What's common for both types is that with one spin, players can land on the jackpot and bag the enormous prize in a blink of an eye.
The rules for triggering a jackpot vary. The most simple way is to collect enough Jackpot symbols with one spin. Many progressive slots online have something called a jackpot game, which is a separate bonus round.
Jackpot game developers
Game providers, like NetEnt and Microgaming, have become renowned for their jackpot slot creations. Jackpots gain a large fanbase and many plays, so these game providers are often singled out.
Microgaming is the creator of Mega Moolah and Mega Moolah Isis – currently two of the biggest jackpot slots in existence, sadly not available in the US yet. NetEnt boasts a large variety of progressive slots, which include Divine Fortune, Mercy of Gods, and Irish Pot Luck.
These two suppliers have crafted big jackpot slot machines that entertain millions of players worldwide. However, they're not the only ones. While playing at online slots sites, you might also bump into these names:
- IGT
- Bwin.Party
- WIN Studios
Progressive vs fixed jackpots
Progressive jackpot slots have one or more jackpots that keep on growing. The progressive slots online always take a percentage of your bet and add it to the jackpot pool. So, the more people play the same game, the more aggressively the prize keeps climbing. This goes on until one fortunate customer plays the magic spin and triggers the jackpot.
Pros:
- Exciting gameplay
- Jackpots have no limits
Cons:
- The odds for winning the jackpot are close to zero
Fixed jackpot slots have a jackpot that is set at a definite amount that doesn't change. Fixed jackpots don't accumulate from players' wagering in slot games. Instead, a lump sum is offered as the jackpot prize money to whoever hits the winning payline. The jackpot amount is independent of the wagering in the slot game.
Pros:
- Freedom to adjust the jackpots with bet sizes
- The odds for winning the jackpot are better
Cons:
- The jackpots are nowhere near as big as in progressive slots
Odds of winnings a jackpot
At this point, you know the basics of progressive jackpot slots online and probably can't wait to get started! But, on Bojoko we are committed to playing responsibly and also want you to know the hard, cold facts in plain English.
Let's put it simply; if you would buy a ticket to the Powerball, your odds of winning the jackpot is around 292,201,338 to 1. The odds to win a jackpot at any progressive game are even slimmer. But, what makes the difference, is that you have about the same odds with every spin.
So, when playing jackpot slots these are some of the facts that are good to keep in mind:
- The probability of hitting the jackpot is highly unlikely.
- You have higher odds of losing your bets at jackpot slots.
- Return to player, or RTP, is usually lower at jackpot games.
Intermediate level: How do jackpots work?
What makes one jackpot slot different or better than the next, and what to take into consideration while playing? After learning the basics, it's time to dive deeper.
Multiple jackpots in one game
Progressive jackpot slots sometimes have other jackpots to be won aside from the major prize. Progressive slot games can feature multiple in-game jackpots as well as the multi-tiered progressive jackpot.
EXAMPLE: In Divine Fortune, the jackpot is split into 'mega', 'major' and 'minor' jackpots.
However, the same slot can also have both progressive and fixed jackpots.
EXAMPLE: In Divine Fortune, only the 'mega' jackpot is progressive. 'Major' and 'minor' jackpots are fixed and depend on the size of your bet.
Casino-specific vs game-specific jackpots
Progressive slots online can either be casino-specific or game-specific.
A local progressive slot has a progressive jackpot that accumulates only from a slot played in one casino. These slots can be available in several different online casinos but only draws money for their jackpot from one.
Examples of local progressive jackpots:
- Divine Fortune
- Grand Spinn Superpot
- Mercy of Gods
Pooled progressive slots work differently, offering a wider opportunity for the jackpot to expand. The progressive slots draw in funds from bets placed in a single slot game present in several different casinos. This is what makes it a game-specific progressive slot.
In other words, you are playing the same slot and compete for the same jackpot at Casino A as your friend at Casino B.
Examples of pooled progressive jackpots:
- Siberian Storm
- Cleopatra
- Golden Goddess
Note, that Siberian Storm, Cleopatra, and Golden Goddess all carry the same pooled jackpot, as they carry the MegaJackpots jackpot by IGT. This means that everyone playing any of these games competes for the one and the same progressive jackpot.
Best banking methods for jackpot hunters
What is the best method for transferring hefty lumps of money from the casino to your pockets?
We strongly recommend e-wallets, like Neteller and PayPal. Both of these are a very common sight at an online casino operating in the US. Especially Paypal casinos are a great choice because Paypal is known to be very easy to use and withdrawing is fast. However, both Neteller and Paypal are great for making larger-than-average withdrawals, like jackpot winnings.
Other options may include:
- Credit or debit cards
- Skrill
- ACH
- PayNearMe
- Prepaid cards
Some methods can involve transaction fees, so be sure to check the additional information of your preferred method from the online casino you're playing at. We also recommend doing this every time you deposit to a new casino, because fees may vary between the casinos as they might add their own handling fees.
Who pays the jackpots?
When a player wins a jackpot, it's not always the casino that hands out the money but the game providers instead.
With networked progressive jackpot slots, like Siberian Storm, the jackpots are paid by the game suppliers.
This way, even smaller slot sites can afford to offer big jackpots. They don't have to risk their finances having to pay out a multi-million pooled jackpot shared by several other casinos.
Local progressive jackpots are paid by the site where the prize was won.
Depending on who pays the jackpot and where the jackpot was won, the prize may be paid in either single or several installments. Normally, big progressive jackpots are paid in a lump sum. However, there can be restrictions made by the casinos themselves. These restrictions may dictate a maximum limit for a monthly payout anywhere from a few thousand bucks to several tens of thousands.
Different currencies in jackpot games
Jackpots can be won in different currencies, so keep this in mind when aiming for the top prize.
As a standard, progressive casino slots retain the same numbers across different currencies. This is generally done because it minimizes the chance for the players to use a lower currency value and abuse the system.
EXAMPLE: If you hit a jackpot of $1,000,000 but you're accessing the slot game from Europe, you'll receive €1,000,000 in winnings. The same jackpot would be equivalent to 1,000,000 in another currency.
However, this isn't always the case and the jackpot can be converted to the player's native currency at the time of transaction.
Expert level: Technical information about jackpots
Like almost every casino game, jackpot slots have more than meets the eye. Several things are affecting how the jackpots are compiled, how they are potentially won, and what are the odds for a player to hit the big wins.
Jackpot seeds
Seed values are the jackpot's default or original amount, from which the jackpot starts building up. Seed values can be as low as zero and as high as $1,000,000, and they vary amongst jackpot slots and progressive slot machines.
This means that when the jackpot is won, the jackpot amount reverts to the seed value and starts growing again as it did before the winning spin.
Jackpot random number generators
Random number generators, or RNGs for short, are the mechanism that ensures randomness in a slot game or machine. RNGs produce a random outcome for every single spin of the reels.
Due to this random number generation, each spin produces an equal chance of winning the coveted jackpot. This is what ensures the fairness of jackpot slot machines and the completely random outcome of the spins.
RTP in jackpot slots online
Return to player (RTP) is one of the major factors influencing jackpot games together with volatility and winning odds. To put it simply; RTP indicates the ratio of payouts to the total wagering for the game over time.
EXAMPLE: If a slot's RTP is 97%, it will pay you back $97 for every $100 you bet over an extended period. The remaining $3 stays with the house.
So, the higher the RTP, the smaller the house edge and the greater the chance of you reaping back of the money you put in.
Examples of jackpot slots RTPs:
- Divine Fortune: 96.59%
- Grand Spinn Superpot 96.21%
- Siberian Storm: 95.00%
One could easily translate this into a guideline. It would say that if you want the best chances of winning, you should always play the slots with the highest RTP. While theoretically true, it's not possible to simplify the big picture that much. In the end, it's the combination of RTP, volatility, and variance which create happy accidents.
But, let's face it, your chances of actually winning a jackpot are next to none. Even when the jackpots are calculated into the games' RTP the jackpot games are generally not the highest paying games. If you exclude the rarely occurring jackpot from the RTP, the payout percentage is even worse.
Volatility and jackpot odds
Volatility is the relationship between the frequency and the size of slot games' payouts. Jackpot casino slots with low volatility, for example, will produce frequent winnings of a modest value.
Your average player might choose to play a slot with lower volatility, as they have a higher win rate. Sure, the regular wins are smaller, but they do happen more often, which makes the game feel more fun.
EXAMPLE: The average win frequency for IGT's pooled jackpot, MegaJackpots (offered by Siberian Storm, Cleopatra, and Golden Goddess) is 57 days.
I would love to include the actual odds for winning any of the jackpots mentioned on this page. However, the game suppliers do not give this information and it's very hard to find such numbers. Many long-time players have tried to do the math and uncover the secrets of jackpot odds. But, even their results are only guessed at best.
There could be various reasons for the suppliers not publishing the odds for winning the jackpots. The most probable of them being 'they're not great'.
By telling the players how slim their chances of winning are, the providers likely are afraid of losing the interest of their customers.
Most famous progressive jackpots
At the moment, the US sadly has a very limited selection of big jackpot slots available to play. But, as this is highly probable to change, we want to introduce you to the two most famous online jackpot slots.
Mega Moolah
Microgaming's Mega Moolah is one of the oldest progressive slots, as it was released back in 2006. This Africa-themed slot is quite simple - next to the base game, there are only two special features. The first one is the bonus game of free spins, and the other one is the jackpot wheel. The wheel can be triggered on any spin.
In September 2018, Microgaming broke the record of the biggest online jackpot ever won. The lucky anonymous player received €18,915,721, which is equivalent to approx. 22,772,732 USD.
Mega Fortune
NetEnt's Mega Fortune is a slot that carries not one, not two but three progressive jackpots. Released in 2009, Mega Fortune has reached the news headlines on several occasions. The biggest jackpot ever won from this slot was in 2013 when an online player hit the center of the wheel, winning €17,860,868 (approx. $21,537,260).
Although these huge jackpot slots aren't yet playable in the US, never say never!
Jackpot slots and responsible gaming
Gambling is always risky. Every single game on a casino is designed so that eventually the casino will win. This includes slots with massive jackpots.
The gigantic jackpot is simply there to make you want to play. The idea that one good spin would change your life is very enticing and that is what the casino is banking on. The bigger the jackpot is, the more people have already lost money to it.
It is very important to understand that casino games are for entertainment purposes and not a solution to financial problems. Every casino game has a negative statistical outcome for the player, which means the more you play, the more likely it is that the casino will win.
Knowing more about the games and how they work is important for responsible gaming. The better you understand how these games work, the better you can keep control.
Jackpot FAQ
Bojoko Free Spins Casino
After registering to a casino, you usually can play demo versions of the jackpot slots as well as other games. However, not all jackpots are available as demos.
It varies between slots. Some progressive online slots only require you to land a certain number of assigned jackpot symbols in the base game. But, a common sight is a jackpot game that needs to be activated first. In these kinds of slots, you only have the chance to win a jackpot by triggering the jackpot game. For example, Divine Fortune uses the jackpot game feature.
It entirely depends on what you're looking for. Usually, jackpot slots do have a lower RTP, meaning that they are stingier with payouts and pay less in winnings than regular slots. On the other hand, jackpot slots can have a massive, progressive prize - something you'd never see in regular online slots.
Bojoko Free Spins Bonus
Yes, although the final sum depends on the state you live in. In general, the federal gambling tax for a US citizen is 24%. If you live in Delaware, there are no additional taxes. However, should you live in New Jersey, you're also obligated to pay the state-level gambling tax of 3%.
A jackpot slot is called hot when the progressive jackpot has been growing undisturbed for a good while and is attracting attention. Usually, at this point, the growing number of players makes the jackpot grow even more rapidly. When the game is hot, the jackpot can grow as much as $30,000 in a day.
To this day, the biggest online jackpot ever won was €18,915,721 (approx. 22,772,732 USD) from Microgaming's Mega Moolah. The bet that triggered the jackpot was placed in September 2018.