7 of the most popular Slots themes to play online


In 1996, the first online casino to allow automated payouts opened its virtual doors. Since then, technology has evolved in leaps and bounds – paving the way for new ways to play online. 

From the 1902 fruit machine era, to the birth of online casinos still adopting the fruity reels, advancements in technology have enabled gaming developers to create a range of new themed Slots. 

Without the need to build a machine, online casino sites can continuously introduce the newest games, featuring the latest themes and unique elements of gameplay.

With this in mind, let’s take a look at seven of the most popular slot game themes to play online, of all time!


Simpler graphics and ease of gameplay seem to be the way to go, as fishing-themed Slots are no doubt a firm favourite among players. With franchises like Fishin Frenzy and Big Bass Bonanza showcasing gaming developers’ talents, it’s no wonder players enjoy attempting to reel in a matching combination in these games. 

Ancient Egypt

With hieroglyphs making up symbols on the reels and the Great Pyramids in the background, games with Ancient Egyptian themes are another popular choice of slot. 

You could try your chances on the likes of Cleopatra, or Eye of Horus – just to name a few. 

Wild West

The popular Wild West-themed Slots are up next. Yet another favourite, these reels are full of Western-themed symbols, wanted posters, bounty hunters and more.

A nod to old-time Nevada, when casinos took their cues from the West, before the Las Vegas Strip was born and Hollywood glamour got its say – it’s no wonder these themed Slots are a firm favourite amongst many. 


Whether it be to catch a glimpse of the unknown, or simply try your chances on the star-themed reels – space is another popular choice of online slot themes. 

You could play Invaders Megaways, or Star Clusters Megaclusters, for example.


Other popular games are those with a mythological theme. Whether it be Greek Gods and Goddesses, Norse mythology or the Age of the Gods franchise, there’s sure to be a themed game inspired by all the tales you love.


Full of rainbows and leprechauns, Irish-themed games are a frequent choice at online and land-based casinos. Thanks to the Rainbow Riches franchise, there are plenty of games showcasing symbols that are believed to represent ‘luck’. 

Despite this, it’s important to remember that luck is a concept, and themed symbols will not influence the outcome of a game of chance.


This one often gets overlooked, but the familiarity that comes with fruit-themed reels makes the iconic, retro-looking games even more popular. Inspired by the aforementioned fruit machine era, these reels are full of fruity fun. 

With so many different themes to choose from, will you be trying your chances on the reels anytime soon? Or will you try something a little different, like the hybrid Slots and Bingo game available online – Slingo? 


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