One of the fastest-growing industries that has seen significant growth over recent years, helped by the advancement and development of technology and the internet, is iGaming. Moving forward from traditional land-based casinos, online gambling has become popular with players thanks to the convenience and accessibility offered by online technologies.

Players are able to access a comprehensive range of options, with online slot games, casino table games and sports betting markets available via computers or smartphones. Since online gambling first started, leading game developers have been creating ever more sophisticated and entertaining titles for adult audiences to enjoy. This is particularly true when it comes to online slot games, with the latest titles combining superb graphics, speedy gameplay and interesting themes to keep players engaged and entertained.

There are many online casino brands in the UK and all over the world that feature these games on their websites. This provides members with access to titles from some of the best slot game developers such as NetEnt, Microgaming, and IGT. 

One of the most popular games that has stood the test of time has been Rainbow Riches. While the game is no longer on par with the latest releases in terms of graphics, its playability means it has remained popular with fans for a number of years. The game has also spawned a successful franchise with new and updated releases such as Rainbow Riches Pick N Mix, Slingo Rainbow Riches, Rainbow Riches Drops of Gold, and many more.        

There are several factors that have to be considered when it comes to assessing some of the best slot game developers in the iGaming market right now. User-friendly interfaces, realistic graphics, and a variety of games are just some factors that help these companies thrive in the competitive slot gaming industry.


Headquartered in Sweden and originally known as Net Entertainment, NetEnt, who are part of the Evolution Gaming Group, provides some of the best premium gaming solutions for some of the world’s top casino operators, such as LeoVegas. 

NetEnt has some impressive statistics that outline just how successful the company has been over the years. Having been at the forefront of gaming entertainment around the world for over two decades, in 2019 NetEnt systems handled 28.3 billion gaming transactions. Some of their most well-known game titles include Starburst and Gonzo’s Quest

NetEnt have also created some interesting slot games based on rock bands and popular movies too over the years such as the Guns N’ Roses slot and the Jumanji video slot. They also recently released the new Gordon Ramsay Hell’s Kitchen video slot for adults to play too. Licensing agents for Gordon Ramsey say that they are proud of the game and highlight how NetEnt’s reputation as a leader in branded entertainment products was a key factor when deciding to work with them on creating the game.


Another company that is amongst the pioneers of online gaming is Microgaming. The company has won a variety of awards from the Global Gaming Awards, Malta Gaming Awards, EGR B2B Awards, and many more.

Impressive key facts featured on their website highlight that there are over 800+ Microgaming casino games, they release new games every month, and they also have dual releases on both desktop and mobile. The award-winning company can be considered as one of the most influential pioneers in the sector, as they developed the world’s first true online casino software in 1994 and also developed the first mobile casino software ten years later. 

Recently, the company announced fresh new Microgaming content for May, including games such as Ancient Fortunes: Poseidon Megaways, Joyful Joker Megaways, and Serengeti Gold

Some of Microgaming’s most notable games released in the past also include Book of Oz and Immortal Romance which feature engaging themes making them popular with online gamblers. Just like many other slot game developers, they are also known for creating top branded games and have released titles such as Jurassic World, Game of Thrones, and Lara Croft.

International Gaming Technology (IGT)

IGT is another top-rated company that develops gaming products for a range of iGaming operators. As one of the biggest players in the industry, IGT games are available to play at casinos and operators from 100 countries around the world. They cover a wide range of areas from physical gaming machines for land-based casinos to lotteries to digital gaming. 

Some of IGT’s top-performing slot games such as Cleopatra and Wheel of Fortune Megaways are available to play at a variety of online casinos and have built up loyal fans who’ve been playing these games for a number of years. Like many other developers, IGT has also created television and film inspired games, such as Family Guy, CSI, Ghostbusters, and Transformers: Battle of Cybertron.

In March 2021 IGT gained exclusive lottery licensing rights for Elvis Presley. This licensing agreement granted them the exclusive rights to develop and distribute Elvis Presley-themed lottery games across Canada and the United States of America. Inspired by one of the most influential music icons in history, IGT will be developing new content for Elvis fans and lottery players, which are both huge audiences.

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Hardware enthusiast, Gamer, Writer. I enjoy picking up games, putting them back down, and then writing about it.