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Most Popular Slots – Reviews & Free Play

How do I pick a good online slot?

There’s no magic formula per say – if there was, all online slots would be the same. As with everything in life, we all have different needs and see things different – a classic fruit machine may be most appealing to some whilst new and innovative concepts may be appealing to others. We base our decisions on what the online casinos tell us, how the slot looks graphically, what the win potential is and whether it offers something unique in any way.

What are the best online slots to play?

The best online slots to play are generally the most popular ones. Slot players are nostalgic as many online players like playing slots they can find in land-based casinos. That’s the reason why games like IGT’s Cleopatra or WMS’ Zeus are 2 of the most popular slot machines ever produced. Lots of land-based games are available to play online which players keep coming back to time and time again.

If you like Novomatic, IGT, WMS, Bally or Barcrest slots for example, you’ll find that they can be played in land-based casinos, arcades and betting shops – as well as online of course.

When it comes to strictly online slots, the casino slots that keep popping up time and time again include NetEnt’s Starburst, Play ‘N Go’s Book of Dead, Big Time Gaming’s Bonanza, Playtech’s Age of the Gods and Microgaming’s Immortal Romance.

Which is the best paying online slot?

The thrill of that big win can make a slot game extremely popular. Slot games like Big Time Gaming’s Extra Chilli, Play ‘N Go’s Book of Dead, Novomatic’s Lord of the Ocean and Microgaming’s Thunderstruck II are high variance titles. As a result, players are obsessed with winning the maximum payout – this leads to these slots being played day in, day out across 100s of online casinos.

If you take NetEnt’s Dead or Alive II, it offers wins of 111,111.11 times your stake in 1 of the free spins features – as a result, it’s become very popular and is sure to be played for many more years to come. Progressive jackpot slots are also high on many players’ agendas due to the possibility of winning a life-changing jackpot – Mega Moolah by Microgaming paid out €18.9 million in September 2018, the biggest ever online progressive jackpot. Other popular progressive online slots include NetEnt’s Mega Fortune and Playtech’s Gladiator Road to Rome.

Can I play online slots for free?

You can play all slot games for free here at – often referred to as play for fun or demo code, you can play online slots without having to deposit. If you play slots for free, you won’t be able to win real money though – the possibility of winning only comes when playing for real. For that, you generally need to deposit.

If you are a UK player, the UK Gambling Commission has introduced regulation whereby you will need to verify your age before you can play slots for fun. We’ve teamed up VeriMe to provide an age verification solution so you can play all slots found at for free. You simply need to enter your mobile number and reply to the text message to validate your age – then the free play version of the slot will load. Once you do this once, you won’t need to do it again.

If you visit an online casino, you can be age validated when you sign up – some online casinos uses services like Experian where just your name and address details are enough to quantify you are 18 or over. Most online casinos will ask you to submit identification documents (such as driver’s license or passport as well as a copy of a utility bill) – this process can take up to 48 hours. Once this is done, you will able to play slots for free and for real money.

What online slots offer the highest RTP?

The online slots with the highest RTP include Microgaming’s Immortal Romance (96.9%), NetEnt’s Blood Suckers (98%) and Thunderkick’s 1429 Uncharted Seas (98.6%).

RTP is the Return to Player % – if a slot machine has a 95% RTP, you will get 95% back in theory of what you wager/play. This gives the online casino a 5% advantage – known as house edge. Whilst online slots will make the online casinos a profit, you may be the lucky player who wins big. Over the course of a pre-determined cycle (normally a year), each slot will earn a certain margin.

Do people actually win on online slots?

The simple answer is yes – as online slots use random number generators, who wins and loses is down to luck basically. You may be lucky and win the maximum payout of a particular slot game on your first spin – you can however be unlucky and lose your entire bankroll. Whilst you should lose on the whole, it’s important you play responsibly and play with what you can afford and you don’t chase losses. You may get lucky and win big – you should then cashout and enjoy your winnings.

What is the most popular slot?

Whilst this is down to opinion and preference, the most popular online slot is Starburst. Confirmed by manufacturer Net Entertainment as their most popular slot machine, many online casinos offer free spins on Starburst – due to its appeal. Whilst new slots are released daily, there are new trends and slots all the time – please check out our best slots of 2018 and best new slots of 2019 articles for some inspiration.

What’s the most popular slots bonus?

With slots being such an important part of an online casino’s offering, it’s natural that welcome offers and promotions centre around slot games. Most online casinos now offer spins of some sort (known as free spins, bonus spins, extra spins etc) on a particular online slot.

If you take Casumo Casino for example, they give all new UK players 30 free spins, with no wagering requirements, to use on Play ‘N Go’s Book of Dead when they sign up – no deposit needed. You also have Grosvenor Casino who offer all readers an exclusive 100% slots bonus up to £250.

What do we look for in an online slot?

We evaluate whether an online slot looks good for starters – even though we do like some simpler slots, we want graphic-rich offerings that make you feel like you are part of a movie or video game. Being immersed in a slot will make it a more enjoyable experience in our opinion.

Then we look at the game engine/mechanic – whilst 5 reel, 10 payline games can be good, a game offering something different often goes down well. If you take the MegaWays slots for example, they have blown the industry wide open.

A big factor is big win potential – if a slot game looks great and has good bonus features but only pays out 200 times your stake per spin, it’s not going to be very appealing in our opinion. The chance to win 5,000 or 10,000 times your stake on each spin is something that will motivate us to play the slot – the bigger the maximum payout, the more we will take notice.

Finally, we look at the slot provider who created the slot – whilst there are countless providers out there, the big boys such as NetEnt, Playtech and NextGen Gaming have been in the game for decades. As a result, they are under pressure to come up with new concepts that push boundaries and offer something different. Whilst they all release plenty of slots each year, they normally have 2 or 3 (each year) that truly offer a unique playing experience.