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There are few bigger names in the world of online gaming than Microgaming. The Isle of Man-based firm has been at the forefront of innovation when it comes to online casinos and online slots. They are the brains behind some of the industry’s most popular slots.

However, Microgaming are probably best known for their hugely popular Mega Moolah jackpot series of slots which have delivered more than £1 billion in prizes.

In our full guide to Microgaming, we’ll look at the company history, rate the best Microgaming slots and take a deep dive into the Mega Moolah and WowPot jackpot networks.

We’ll also look at Microgaming casinos, assess the offering for mobile slots players as well as finding out how to play Microgaming free slots. Found out all you’ll need to know about this influential brand in our full Microgaming guide.

Chris Taylor
Review by

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Microgaming Slots List

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About Microgaming

First Online Casino Software – founded in 1994 World’s Biggest Progressive Jackpot Network
First Branded Slot Regulated by UKGC + other territories

Microgaming is something of a veteran in the world of online gaming. The company was the first in the world to develop an online casino platform way back in 1994. They followed that up a decade later with the launch of the first-ever mobile casino (2004).

If you’ve ever visited a slot site, the chances are that you’ll have played a Microgaming slot. The Quickfire platform is used by a host of established casinos and new slot sites, allowing them to deliver slots from the Microgaming roster. And what a roster it is. Over the past 20 years, Microgaming have created around 750 games including table games like roulette and blackjack as well as hundreds and hundreds of slots.

The Microgaming slots catalogue includes loads of titles that have become firm fan favourites including the likes of Thunderstruck, Game of Thrones, Immortal Romance and many more. They also created the first ever branded slot when Lara Croft: Tomb hit the virtual shelves in 2004.

Microgaming are the team behind the world’s biggest progressive jackpot network too. The Mega Moolah slots have delivered over £1.2 billion in prizes to date. They also operate the increasing popular WowPot jackpot network.

Fully licensed and regulated by the UK Gambling Commission (license number 39073) and the Malta Gaming Authority (plus other regulators around the globe), Microgaming slots are available to play on all devices including desktops, tablets and smartphones.

Best Microgaming Slots


A new Microgaming slot is always a big event. They are the brains behind many of the biggest and best slot releases. With a catalogue of in excess of 750 games to choose from, they have games that cover pretty much every theme, genre and style you could wish for.

Microgaming has partnership agreements in place with some of the iGaming world’s most innovative game studios like Just For the Win and All41Studios so you can expect a steady stream of fresh new content. Anyway, here’s our pick of the top Microgaming slots:

Immortal Romance

With a vampire/love theme, Immortal Romance was launched way back in 2011. It’s blend of fantastic back story, top gameplay and potentially massive rewards mean it’s still a hugely playable slot.

Played using a 5 reel, 243 ways to win game engine, it comes with 4 different free spins feature, each one based on one of the game’s 4 main character. Each feature comes with its own modifier which awards big 5x or 6x multipliers, rolling reels or transforming wilds.

With a well above average RTP of 96.86%, there’s also a Wild Desire feature which can randomly give you 5 fully wild reels. The Immortal Romance slot also has the win potential to max as you can win up to 12,500 x your total stake from a single spin.

Thunderstruck 2

Taking inspiration from Norse legend, Thunderstruck 2 is a 5 reel, 243 ways to win favourite is packed full of features. Released in 2010, highlights include the Wildstorm feature that can randomly add up to 5 extra wilds on any spin.

It’s all about the Great Hall of Spins features which gives you access to 4 free spins features. They award between 10 and 29 free spins with 5x multipliers, added wilds, symbol transformations and rolling reels.

This Scandinavian saga has proved to be one of the most popular slots of all time. With an RTP of 96.65%, you can win up to 8,000 x your total stake per spin in the Thunderstruck 2 slot online. With its high-class blend of epic design and a huge raft of extras, it’s easy to see why.

Terminator 2

A cult movie deserves a cult slot to match and Microgaming delivered that with Terminator 2. The development team has given the original 2014 a fresh coat of paint courtesy of a complete remastering for the 2021 re-release. With 5 reels and 243 ways to win, it has some great bonus features.

Extras here include the T-800 Vision feature which awards cash prizes for all high value symbols on display. Trigger the Free Spins feature and you’ll play 10 free spins on an expanded 1,024 ways to win machine that comes with a special transforming symbol.

The Terminator 2 slot has an RTP of 96.62% which stacks up well. Offering a hit frequency of 43.67% (nearly half of spins will give you a win), you can win up to 2,952 x your total stake from each free spin.

Jurassic World

The Jurassic World movie received mixed reviews when it hit cinema screens. The Jurassic World slot version proved to be a much more popular proposition when released in 2017. This sequel to Jurassic Park is played using a 5 reel, 243 ways to win game engine and combines top end design and an impressive range of features.

Look out for the Indominus Rex which can stomp onto the reels and award payouts of up to 1,000 times your stake. You’ll also find a Free Spins feature complete with modifier extras including multipliers of up to 7x, scatters that are also wilds and rolling reels.

With an RTP of 95.45%, it comes with a hit frequency rate of 31.09%. Awards here can reach a Tyrannosaurus Rex-sized 14,166 x stake from a single spin.

Avalon 2

Microgaming’s second slice of Arthurian legend, Avalon 2, is a 5 reel, 243 ways to win game that’s packed full of features. They include a pair of randomly triggered base game features that award instant cash prizes or multipliers or an expanding wild.

Trigger the Grail Bonus and there are 8 potential features including a dice bonus, free spins with assorted extras, pick me rounds, battle bonuses and spin the wheel features.

With an RTP of 95.92%, you can win up to 16,200 x your total stake from the Morgan’s Keep Bonus feature. Fans of slots that deliver plenty of variety won’t go too far wrong with Avalon 2.

Jackpot Slots


If you like slots that offer a shot at landing a potentially life-changing progressive jackpot prizes, then look no further than Microgaming jackpot slot games. To date, Microgaming has paid out over £1.25 billion (yes, that’s billion, not million) in progressive jackpot prizes.

The Microgaming Mega Moolah jackpot network is probably the most famous in the world. They are also the brains behind the expanding WowPot jackpot network which can also unleash some mighty jackpot prizes. All these games can be found in the jackpot slots section.

Mega Moolah Jackpot Network

Mega Moolah is the most popular jackpot slot of all time. Hitting the online casino shelves way back in 2006, it’s a simple safari-themed game that transports players to the African plains.  It has 5 reels and 25 paylines.

Gameplay highlights include a Free Spins features that awards up to 30 free spins with all payouts trebled. The main attraction though is the randomly triggered Jackpot Bonus Game feature which is where the big money can be won. Spin the wheel and depending on where the pointer lands, you’ll win one of the Mini, Minor, Major or Mega Jackpot prizes.

Needless to say, those Mega Jackpots, which are seeded at £1 million, can get very mega indeed. The record Mega Moolah jackpot payout stands at a mind-boggling €19.4 million. There have been 3 other jackpot payouts that have exceeded the €14 million mark.

If you don’t fancy the safari theme but do still want to try and land an epic score, you can play one of the linked slots on the Mega Moolah jackpot network.

These include Atlantean Treasures: Mega Moolah, Absolootly Mad: Mega Moolah, Jungle Mega Moolah and Fortunium Gold: Mega Moolah, all of which offer a shot at landing a bumper progressive jackpot prize.

WowPot Jackpot Network

The Mega Moolah slots aren’t the only ones that offer the chance to scoop a big jackpot prize. Microgaming are also behind the WowPot Jackpot slots. The top prize in this series is seeded at a massive £2 million but can of course get much, much higher.

Since launching in February 2020, WowPot jackpot slots had paid out in excess of €23 million by the end of the year. The catalogue of WowPot jackpot slots includes Wheel of Wishes, Book of Atem, Sisters of Oz and African Legends.

Branded Slots


Microgaming broke new ground in the online casino world with the 2004 launch of the first ever branded slot, Lara Croft: Tomb Raider. Since then, Microgaming has inked partnership agreements with a host of big names from the worlds of film, television and music to create top drawer branded content.

Those big-name tie-ins include: Terminator 2, Jurassic Park, Jurassic World, Game of Thrones, Halloween, Bridesmaids, Lara Croft: Temples and Tombs, Playboy Gold Jackpots, Village People: Macho Movies, Highlander, The Phantom of the Opera and Tarzan amongst others.

An often overlooked slot is Game of Thrones. With 5 reels and either 15 payline or 243 ways to win versions, it’s the official game for the iconic TV series. It’s all about the 4 free spins features where you chosen House Baratheon, Lannister, Stark or Targaryen. They all offer their own House Sigil symbols stacked up to 6 high but there are multipliers up to 5x. With 95.07% RTP for the 243 ways to win version, you can win up to 20,250 x your total stake from each Baratheon free spin.

Megaways Slots


One of the biggest developments in the world of online slots over the past couple of years has been the spectacular rise of Megaways games. Microgaming has signed a licensing deal with Big Time Gaming and has dipped its toes in the Megaways waters with the release of a number of titles that uses the innovative game engine. New Microgaming Megaways slots include:

Shamrock Holmes Megaways

This 6 reel Shamrock Holmes Megaways slot takes the classic Sherlock Holmes story and gives it a green makeover. Created in partnership with All41Studio, it’s played on a game engine where the number of ways to win can get as high as 117,649.

Highlights include Rolling reels, base game re-spins and a Free Spins feature that awards a minimum of 10 free spins. The free spins begin with a 2x multiplier active but that increases with each Rolling Reel win landed throughout the round.

Beautifully designed, Shamrock Holmes Megaways also delivers a knockout payout punch with max wins of 28,000 x your total stake from a single spin possible. It has an RTP of 96.44%.

Forgotten Island Megaways

Taking inspiration from the classic tale of King Kong, Forgotten Island Megaways is another slot from the All41Studio stable. It too is a 6 reel game where the number of ways to win can reach 117,649.

On any spin, the mighty Kong can wake from his slumber in the Kong Spin feature to deliver an instant multiplier boost of up to 10x. That multiplier can increase with each successive win after too. There are also rolling reels. Trigger the Free Spins feature and you’ll start with a 2x multiplier. Consecutive wins increase that multiplier.

With an RTP of 96.25%, the jungle trek is a volatile one. It can deliver some weighty rewards though with the max win coming in at 7,000 x stake per spin.

Mobile Slots 

Microgaming has been at the forefront of technological innovation in the online gaming world so it’s no surprise to find that their games have been created using HTML5 technology and Microgaming slots are fully optimised for use on all devices.

Whether you’re playing on a desktop or laptop computer, tablet or mobile, you can expect the same blend of high-class design and gameplay. Remember that Microgaming was the first the have mobile casino software back in 2004. You’ll also have a shot at landing the big progressive Mega Moolah and WowPot jackpot prizes if you’re playing on your smartphone.

Microgaming Free Play

If you want to try Microgaming slots without risking any of your hard-earned cash, you can do so here at Online-Slot.co.uk. You’ll find a cracking collection of Microgaming free play slots which are available in demo mode. This means you can road test slots you like the look of without worrying about losing any cash.

Online-Slot.co.uk abides by the UK Gambling Commission regulations so if you’re reading this in Britain, you’ll need to verify your age before you can try out free Microgaming slots online.

The Verime verification process is super simple. All that’s required is a couple of text messages. There are no lengthy forms to fill in and you won’t have to upload any documents. It’s quick too with the whole process usually completed in a matter of minutes. Once confirmed, you’ll be able to try the best Microgaming slots on your computer, tablet or mobile.

Microgaming Casinos

You will find Microgaming slots at a huge variety of online slot websites and casinos. Their games are on the Quickfire platform (which is owned by Microgaming) which is used by many online casino sites.

Our pick of the top Microgaming casinos include 32Red Casino, Mr Green Casino, NetBet Casino and SlotsMillion Casino. 32Red sometimes releases future releases exclusively early. You can expect Microgaming network promotions 3 or 4 times a year on average which award cash prizes, tickets to events, free spins and other goodies.

We’ve got a dedicated page for demo games if you want to play slots for free from another provider other than Microgaming.


Who are Microgaming?

Based in the Isle of Man, Microgaming is one of the biggest names in the online slots world. They have created around 750 games since they launched in 1994. They also behind the hugely popular Mega Moolah and WowPot series of progressive jackpot slots that make millionaires.

What are the best Microgaming slots?

Microgaming has created countless top slot games. Favourites that have stood the test of time include Terminator 2, Avalon 2, Immortal Romance and Thunderstruck 2. Check out our 5 best Microgaming slots.

Can I play Microgaming slots for free?

Yes, if you want to give a Microgaming slot a test drive, visit Online-Slot.uk. Complete the quick age verification process and you’ll be able to play a whole host of Microgaming free play slots on your computer, tablet or mobile device.

What Microgaming Jackpot slots are there?

Microgaming has the most popular progressive jackpots slots with over £1.25 billion paid out. You have the Mega Moolah slot which paid out the biggest ever online jackpot (€18.9 million), other games in the series and the WowPot jackpot network. Check out the top jackpot slots for more details.

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