Best online casino jackpot slots you need to play (2023)

Learn all about progressive slots, hot jackpot titles, and where to find them in this complete guide to online casino jackpot slots!

Got your attention, didn’t we? There are many different types of slot machines you can play online but easily the most popular type are jackpot slots. These games have been making countless people richer overnight, and you could be next.

Today, we will break down everything you need to know about these life-changing games, including how they work, what kinds of jackpots there are, which are the best online casino jackpot slots, and even provide you with some handy tips & tricks.

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Without further ado, here’s everything you need to know about jackpot slots!

What Are Jackpot Slots? 

Jackpot slots are a type of slot machine that has an ever-growing prize that needs to be won. Unlike regular slots that have fixed prizes depending on how much you bet and symbol combinations on paylines, jackpot slots get their name from the lucrative prizes you can win. 

There are four main types of jackpot slots based on where the prize comes from and how big it gets: 

  • Standalone – A standalone jackpot slot only offers a local jackpot, meaning that the prize is directly linked to this particular machine or group of slot machines inside land-based venues or at the same online casino. In other words, when someone hits the jackpot, it resets to a predetermined amount. 
  • In-house – Some casinos link similar venues within a specific region and offer a joint jackpot prize. However, the catch is that the slot contribution percentage towards the jackpot isn't equal, and not all machines spin the reels as frequently as others, meaning that some locations will hit the jackpot more often than others.
  • Networked/Joined – Joined or networked jackpot slots are available across multiple online casinos operated by a single brand. For example, if you see a joins slot at , you can find the same game with the exact jackpot prize at other sites owned by the same company like Casimba Casino or Karamba Casino. 
  • Progressive – Finally, we have the mightiest of them all, progressive jackpot slots. These online casino jackpot slots are supplied by game developers such as Microgaming (with The Daily Dose), NetEnt (with Mega Fortune), or Pragmatic Play (with Joker’s Jewels). They are available at numerous online casinos, and each spin contributes a small portion to the prize. As a result, progressive jackpots can grow into several million dollars before someone finally hits the winning combination and wins the entire lot in one go. 

The biggest advantage of playing progressives at online casinos is that you can try the games for free first to get familiar with rules and mechanics without risking any money.

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How Do Online Casino Progressive Jackpot Slots Work?

We’ve briefly touched upon how jackpot slots work, but let’s dive deeper into the details. Basically, there are two main types of jackpots you can aim for – flat and progressive.

Flat jackpots are standard at brick-and-mortar casinos and most online venues. Essentially, you have a chance to hit the jackpot no matter what the size is. However, the amount you can win is predetermined and doesn’t change until someone hits it.

For instance, if the jackpot slot is set to pay out $10,000 and someone hits a royal flush, that player wins the full amount. And once that happens, the jackpot reset to the same amount and starts rising again as players keep spinning.

The good thing about flat jackpot slots is that you know what you are playing for, so you don’t have to worry that somebody else has hit the jackpot just moments before you.

Things are slightly more complicated with progressives because the jackpot will vary constantly.

Every time someone spins the reels of a progressive jackpot slot, that person’s casino contributes a tiny portion of the money wagered to the grand price. And since there could be thousands of people spinning these slot machines around the clock, that number can quickly go up into the millions. 

In theory, you have a chance to win the entire jackpot, but the odds decrease as more people play. Moreover, every progressive slot will come with specific rules on how to trigger the jackpot. Sometimes, you might have to play several specific games to get a shot at the jackpot, whereas other titles will offer a random jackpot trigger. 

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It is important to note that progressive jackpots are entirely separate from traditional slot jackpots. You could hit four aces on a video poker machine and win a huge prize without the progressive jackpot being affected in any way. Likewise, hitting the jackpot feature on a progressive slot machine rewards you with a share of the progressive jackpot pool, regardless of any traditional slot jackpots.

Most Popular Online Casino Jackpot Slot Games

Hundreds of online casino jackpot slots are waiting for you online, each offering something unique to the table. Still, not all jackpot games are created equal and finding the right one can mean the difference between going home early and claiming that massive prize. 

So, which are the best online casino jackpot slots? Here are some of our favourites: 

Mega Fortune

Mega Fortune is one of the most iconic NetEnt creations and arguably the most popular online casino jackpot slot in history. The game features three interconnected progressive jackpots – Rapid, Rapid Plus, and Mega. 

The minimum amounts for each jackpot tier are €8, £100, and £20,000, respectively. But they tend to grow exponentially and regularly climb past the €10-million mark, creating life-changing sums of money for lucky winners.

The maximum bet is only €75, making Mega Fortune accessible for most players looking for a shot at the big leagues.

Mega Moolah

No discussion regarding online casino jackpot slots would be complete without mentioning Mega Moolah. This African safari-themed game was developed by Microgaming and is infamous for creating hundreds of millionaires since its release almost two decades ago.

What makes Mega Moolah so special is that it routinely produces millionaire jackpot winners. In fact, the game holds two Guinness World Records after turning one lucky player into $24 million and another even wealthier to the tune of $27 million. 

While those record-breaking wins are long gone, Mega Moolah still creates dozens of millionaires each year and remains one of the most popular jackpot slots.

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Arabian Nights

Arabian Nights is a simple but very effective NetEnt slot that has produced more than 70 millionaires since its launch in 2005. It uses a straightforward mechanic with five reels, ten paylines, and no bonus rounds or free spins. 

Instead, the entire focus is on the jackpot wheel feature triggered when you get five bonus symbols on any active payline with max bet in place. Spin the wheel to find out which of the three tiered jackpots you have won – mini, major, or mega. The latter is the original million pound jackpot and has made several people instant millionaires over the years.

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Hall of Gods

Join the Norse gods Thor, Odin, and Freyja in this epic quest to win a fortune. Hall of Gods is another great progressive slot from NetEnt featuring five reels, twenty paylines, and three exciting progressive jackpots – Mini, Mega, and Millsalion.

To have a shot at winning the jackpot, you must land three bonus symbols anywhere on an active payline. This will take you to a bonus game where you must break shields and find three identical hammers to win the Mega jackpot. 

Find two hammers and you will win the Mega jackpot, while smaller rewards are available by finding just one. 

Hall of Gods often offers multiple million-dollar jackpots, so make sure you check it out at Casumo Casino!

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Imperial Family

Not all of us can dream of becoming millionaires, so we suggest switching gears and lowering expectations with BetSoft’s Imperial Family. This quirky jackpot slot offers much smaller prizes than most other titles on our list, but the good news is that your chances of winning are much higher. 

In fact, the average win is usually below the $1,000 mark; however, it can go much higher, and the super jackpot often climbs above $30,000. 

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Imperial Family uses a classic five-reel, nine-payline setup with plenty of fun features, including wild symbols, scatter pays, free spins, and a pick-and-win bonus game. 

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Divine Fortune

Divine Fortune takes inspiration from Greek mythology and brings you three innovative features: wild on wild features, fallling wilds, and free spins. But most importantly, this NetEnt slot offers a progressive jackpot that often exceeds the $1 million mark. 

Three bonus symbols anywhere on an active payline will give you a shot at winning the whole lot. This will take you to a bonus wheel featuring three progressive jackpots – mega, major, and minor – as well as a base game prize and free spins. 

The game also features two local jackpots – Major and Minor – which offer significant prizes independently of the main progressive pot. In fact, the Major jackpot often climbs into six-figure sums, making it well worth aiming for.

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Tycoons

Tycoons invites you to rub shoulders with the one-percenters and potentially walk away with a huge progressive jackpot prize. This five-reel, nineteen-payline slot from MIcrogaming comes packed with extras, including stacked wilds, scatter pays, and a bonus game featuring five luxury cars. 

But the real reason to play Tycoons is the progressive jackpot, which can often reach seven figures. To have a shot at winning it, you must get five bonus symbols anywhere on the reels to enter the tycoon bonus round. 

This will take you to a second screen where you must pick a car owner and watch as several envelopes appear on screen. Choose them carefully to try and reveal all five jackpot symbols. If you do, you will win the progressive tycoons jackpot in one go.

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Tycoons may not be the best-looking jackpot slot, but it certainly packs a punch where it matters. You can play it at Videoslots Casino.

Goblin’s Cave

This retro slot from NetEnt is one of the few non-progressive entries on our list. So, why have we included it among online casino jackpot slots? Well, this old-school fruit machine features a rare flat jackpot that dwarfs most progressive prizes. 

In fact, Goblin’s Cave offers a jaw-dropping payout of 1,600x your stake – that’s a whopping $128,000 if you bet $1! Granted, you will need a fair bit of luck to hit that lucrative four-ace stainway suit poker hand, but the odds are better than winning a progressive jackpot. 

Goblins Cave is a throwback to the earliest slot machines and features just three reels and three paylines. It also offers a cool gamble feature that lets you increase your winnings by guessing the suit and rank of cards. 

Another nice touch is the creepy backstory involving a witch’s curse and an ancient goblin that guards the treasure. In short, this is a brilliant jackpot slot that we highly recommend trying at KTO Casino.

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Joker Millions

Joker Millions plays like a classic fruit machine but boasts eye-watering jackpots that regularly exceed $3 million. This innovative Pyramid Systems slot uses five reels, three rows, and ten paylines. 

It also features a generous 97% RTP and medium volatility, delivering regular wins alongside huge jackpot opportunities. 

Special features include wild symbols, free spins, and a lucrative jackpot wheel bonus game. To trigger the bonus, you must get at least three joker symbol anywhere on an active payline. 

This will reward you with a cash prize and take you to a wheel of fortune featuring four different jackpots – mega, major, extra, and mini. Coordinate six matching symbols on the wheel to win that jackpot tier. Coordinate all twelve, and you will win the mega jackpot in one go.

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Good Girl Bad Girl

Good vs. evil. Light vs. dark. Order vs. chaos. These opposing forces have fascinated humanity throughout history, and BetSoft captures their essence perfectly in Good Girl Bad Girl. 

This innovative jackpot slot features two progressive prizes that represent the light and dark sides of this game. On the one hand, you have the good jackpot, which tends to build rapidly due to its high win capacity. 

On the other, we have the bad jackpot, which rarely pays but offers mind-boggling prizes that routinely exceed $200,000. 

How does BetSoft balance such uneven odds? Well, the good jackpot tends to pay quite frequently, while the bad one eludes most players. Therefore, a select few benefit from enormous prizes, creating the buzz needed to sustain such an unbalanced paytable. 

Other features of Good Girls Bad Girl include dual currency meters, lightning bonus, and free spins. You can also adjust the currency balances to your liking or let the game do it automatically based on your recent wins.

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Mega Fortune Dreams

Mega Fortune Dreams is a sequel to the immensely popular Mega Fortune, using many of the same ideas and mechanics in an updated format. This five-reel, twenty payline slot offers three innovative features: wild on wild features, scatter pays, free spins, and a bonus wheel that gives you a shot at winning a progressive jackpot. 

The game often offers multiple million-dollar prizes, so it is little wonder Mega Fortune Dreams is so popular among online casino jackpot slots enthusiasts.

As you would expect from a NetEnt game, Mega Fortune Dreams looks fantastic and includes a host of luxurious items such as champagne, yachts, and piles of cash as the highest-paying symbols. 

You can also activate doubled symbols, double wild wins, and treble free spin wins to boost your chances of winning big. And let’s not forget the generous free spin bonus, which awards fifteen free games with all wins tripled. 

Reactivate the feature four or more times to enter the celebrity and diamonds bonus round, where you can win up to 200x your stake plus a progressive jackpot!

Mega Gems

Mega Gems offers a more modern take on jackpot slots, using slick graphics, streamlined gameplay, and innovative extras to great effect. BetSoft’s game features five reels, ten paylines, two progressive jackpots, and an RTP of 95.3%. 

Special features include sticky wilds, multipliers, pick-and-win bonuses, and free spins. The pick-and-win bonus is activated by getting three bonus symbols anywhere on the reels with max bet in place. 

This will display sixteen gemstones, and you must pick three matching ones to win a bonus prize. Match the Mega Gems logo to win the mega jackpot, sapphires for the major jackpot, rubies for the minor jackpot, or emeralds for the micro jackpot. 

Mega gems also feature stacked reels, giving you a chance to cover the screen with wilds and trigger colossal wins. Then there are the multipliers, which increase payouts up to 10x when wilds help create a winning combination. 

Finally, there’s the free spins mode, which rewards you with ten free games when you get a wild on the first and fifth reels. During this feature, the stacked reels mechanism is in effect, giving you a chance to rack up huge wins without spending a penny.

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Atlantean Treasures Mega Drop

Triple Edge Zero’s Atlantean Treasures Mega Drop is a progressive jackpot slot with a surprising twist - a timed bonus game that adds an extra layer of excitement and strategy to the mix. 

Like other games on our list, Atlantean Treasures Mega Drop offers impressive graphics, a host of special features, and two innovative jackpots – major and mega. The only way to win either of them is to trigger the Mega Drop timer bonus and reach the jackpot stage. 

Here’s how it works: once you press the SPIN button, the Mega Drop timer appears above the reels, showing how long the bonus will last. The goal is to accumulate as many wins and prizes as possible before the time runs out. 

Various bonuses appear during regular play, including multipliers, coin awards, free spins, and “end tournow” segments that immediately trigger the Mega Drop bonus. Your job is to collect heart symbols to extend the bonus and hopefully reach the jackpot stage. 

Atlantean Treasures Mega Drop also features wild symbols, scatter pays, and a free spins bonus where you can win up to 13 free games. The generously-sized reels provide plenty of space for the many bonuses, and the Atlantic City-inspired symphony adds to the overall atmosphere. 

In short, Atlantean Treasures Mega Drop offers a thrilling gaming experience with the potential for huge wins. Why not try it at EllaCasino and see if you have what it takes to conquer the depths and claim the jackpot!

Online Casino Jackpot Slots Strategy

Now that you know how jackpot slots work, the final step is learning how to win. Alas, there’s no surefire way to beat these games, as they rely on random numbers generators (RNG) to determine the outcome.

However, there are certain things you can do to maximise your chances and potentially win a jackpot. Our online casino jackpot slots strategy covers the basics every player should follow to stay safe and improve their results.

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1. Choose the Right Game

Not all online casino jackpot slots are equal, which means you need to choose the right game for you. Consider factors such as house edge, jackpot size, volatility, payouts, bonus features, and theme when picking a game.

Some players prefer games with large jackpots but frequent small wins, while others look for massive prizes that only strike occasionally. Find a game that matches your style and budget, and always read the rules before playing to understand how to trigger the jackpot.

2. Understand Variance

Variance, also known as volatility, describes how often a slot game pays and the size of those wins. Low-variance games offer frequent but small wins, while high-variance slots deliver less frequent victories accompanied by larger payouts.

Progressive jackpots usually have a high variance due to the fact the prize grows so vastly. This means you could go hours, days, or even weeks without a victory only to strike when the jackpot.

Understanding variance can help you manage your bankroll effectively and avoid chasing losses, which is crucial when playing online casino jackpot slots.

3. Read the Rules

Make sure you understand how to trigger the jackpot before playing. Some games require you to bet max coins to have a shot at winning, while others allow you to enable the jackpot feature as an option.

Additionally, you should learn about any secondary bonuses, pick-and-win games, wheel of fortune features, or other mechanics that can affect your chances of winning. 

Reading the rules also allows you to understand the maximum exposure, that is, the most money you can lose in a single session. While exciting to think of winning a jackpot, you should never compromise your finances to chase it, especially if it requires you to play beyond your limits.

4. Budget Effectively

Set a budget before playing and stick to it no matter what. Determine how much you can afford to lose each month, week, and day, then divide that figure by the size of your bets to calculate how many units you should risk per spin. 

For instance, if you have a $200 betting bankroll and your min bet is $0.25, you get 800 units ($0.25 = 8 unit). Assuming 100 base game spins per hour (check the game’s volatility), you should not risk more than one unit per spin. 

Increase your bet size to access jackpot features or enable bonus bets, but make sure you recalculate your unit size and sticking to your daily loss limit. Remember, online casino jackpot slots are designed to part you from your money slowly, so pacing yourself is essential. 

5. Claim Bonuses

Most online casinos offer sign-up and reload bonuses that can significantly boost your bankroll and give you more chances to win a jackpot. Always check the terms and conditions to understand the wagering requirements, game contributions, and expiry dates before accepting a bonus. 

For example, a 100% deposit match worth up to $100 with a 35x wagering requirement on slots is much better than a $1,000 bonus with a 60x playthrough on all games, including table games that contribute 20%, if anything. 

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Take advantage of bonuses to try out different jackpot slots and find the ones you enjoy the most. Just remember to gamble responsibly and not chase bonuses with excessive wagering requirements or unfair terms.

6. Practice Makes Perfect

Before betting real money, it is wise to practice playing the game in demo mode. Demo mode allows you to try out different strategies, get familiar with the rules, and see how often the jackpot triggers. 

Demo credits behave identically to real money, so you experience the game’s true volatility and house edge. When you feel comfortable with the game, you can switch to real-money mode and start betting. 

Unfortunately, not all casinos or jurisdictds allow demo modes, which means you might have to take the plunge straight away. However, reading reviews and watching gameplays can offer valuable insights into how a slot operates.

7. Know When to Stop

This is perhaps the most important aspect of our online casino jackpot slots strategy. No matter how lucky you get, there will come a time when you should stop playing and accept whatever profits you made. 

Many players get carried away chasing losses or chasing the jackpot, which can lead to financial problems and ruin your experience. Before starting, decide how much you want to win and quit as soon as you achieve that goal or realise you can’t win. 

It is easy to get blinded by greed, especially when you see how addicting online casino jackpot slots can be. That said, setting your goals and sticking to them increases your chances of finishing with a profit. 

Even if you don’t win the jackpot, achieving your goal will leave you feeling satisfied, and you can try again later.

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Final Thoughts

Playing online casino jackpot slots can be overwhelming at first due to their complexity and potential prizes. However, by choosing the right game, understanding variance, reading the rules, budgeting effectively, claiming bonuses, practising in demo mode, and knowing when to stop, you can improve your chances of winning and enjoying the experience. 

Remember, there’s no guaranteed method for beating jackpot slots, and they are meant to be enjoyed rather than analysed. With our online casino jackpot slots strategy and the awesome games listed above, you’re ready to start playing. Good luck!

FAQs

What are online casino jackpot slots?

Online casino jackpot slots are digital versions of the classic fruit machines found in land-based casinos. They offer the chance to win large sums of money by aligning symbol combinations on winning paylines. Jackpot slots differ from regular slots in that they contribute a small percentage of each bet to a growing progressive jackpot that can reach hundreds of thousands, or even millions, of dollars.

How do jackpots work?

Progressive jackpots consist of four types: standalone, local, networked, and connected. Standalone slots contribute a fraction of each bet to a local jackpot only available at that particular casino. Local slots add to a networked jackpot shared among a group of machines in the same venue. Networked online slots connect to a wider network of casinos, increasing the jackpot size dramatically. Connected slots are tied to both physical and online casinos, allowing players from both channels to contribute to the pot.

Is there a trick to winning jackpots?

Unfortunately, there aren't any tricks or systems that can guarantee you'll win a jackpot. All online casino games, including jackpot slots, use random number generators (RNG) to ensure outcomes are completely random and fair. The only way to win is to align the winning symbol combination on an active payline with the correct bet size. However, following an online casino jackpot slots strategy can improve your chances of success.

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Can I play online casino jackpot slots on my phone?

Yes, most jackpot slots are mobile-friendly and can be played on smartphones and tablets. Many online casinos offer native apps for iOS and Android devices, while others rely on HTML5 technology to create browser-based games compatible with various platforms. Mobile jackpot slots offer the same features, bonuses, and jackpots as their desktop counterparts, providing players with flexibility and convenience.

Should I max bet to win the jackpot?

Not necessarily. Many progressive jackpots trigger at random, regardless of your bet size. However, flat top slots requiring a max bet to engage the jackpot feature are still out there. Always read the game rules to understand the bet size requirement for jackpot activation.

What is jackpot fatigue?

Jackpot fatigue occurs when players stop playing a jackpot slot due to prolonged periods without a win. Since jackpots are connected to a network and continuously drawn from players' bets, the rate of growth slows down as the prize nears its peak. This can cause frustration and discourage players from continuing, believing the jackpot is "too big" to win.

What is reverse martingale?

The reverse Martingale is a betting system where instead of doubling bets after losses, you halve them after wins. For example, if you normally bet $1 and win, you'd increase the stake to $2 and, if you win again, bump it up to $4. If you lose at any point, you return to your initial $1 bet. This strategy aims to prolong winning streaks and mitigate losses, but it requires a substantial bankroll.

Which online casino jackpot slots game has the best odds?

The game with the best odds is not necessarily the one with the highest RTP or the largest jackpot. Factors such as volatility, hit frequency, bonus features, paytable values, and house edge influence the overall payback percentage. It's essential to consider these elements when choosing a game and setting your expectations.

Can I play jackpot slots for free?

Many online casinos offer free play or demo versions of jackpot slots, allowing players to try the game and test strategies without risking real money. However, you cannot win actual jackpots in the demos since they are connected to real-money accounts. Free versions are a great way to familiarise yourself with the rules, features, and graphics before betting actual money.

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