20 Best Mobile Slots Apps for Free Play or for Real Money

Top 20 Most Popular Free Mobile Slot Games

Slots are extremely popular games in online casinos nowadays — if not the most popular ones. There are hundreds of thousands of them available out there, so if you are a newbie, it could be hard to choose which one to play. All of them feature different themes and come from different game providers, so the diversity is truly spectacular.

We believe that we are the ultimate slot connoisseurs, and we’re always ready to help. Therefore, we’ve created a list of the 20 most popular and the best free mobile slot games that you can easily find online. Check out the list below and get ready to spend hours playing them!

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Mega Fortune

Mega Fortune is a slot game developed by NetEnt that features a 5-reel and 25-payline structure. If you’re lucky enough to spin the right symbols, this video slot game offers a mammoth progressive jackpot, which is partly why it became so popular.

Moreover, Mega Fortune comes with a heart rate-increasing Jackpot Wheel of Fortune bonus game that can get you closer to winning a massive amount of money. The lucky ones can also win up to 15 free spins that come with up to a 5x multiplier, so you can really win big in the end.

Hotline

We continue our list with another newer slot developed by NetEnt — Hotline. This slot game is inspired by the mega-popular 80s detective shows that swept over America and the whole world. The theme takes you to Miami in a slot that features an incredible 97.04% RTP!

The Hotline slot is played on the standard 5×3 layout and has 30 paylines. All symbols are related to the game and include two male detectives trying to catch a beautiful female thief. The Hotline Bonus rewards you with expanding Wilds and a chance to increase your bounty.

Vikings Go Wild

Yggdrasil never seems to disappoint us with their carefully crafted games. This time, we’re talking about the Vikings Go Wild slot game, the first one out of three games from the Vikings Go X franchise. The other two titles are named Vikings Go Berzerk and Vikings Go To Hell.

These games have been very well accepted by the audience due to spectacular graphics and animations, an appealing theme, lots of bonuses, and modern features. All symbols are related to the game, and there is also an authentic soundtrack playing in the background. The average RTP for all three is around 96%.

Battle Tanks

A lot of video games are inspired by war, violence, and cool warfare, and it seems that slot games cannot escape that destiny either. The Battle Tanks slot is created by Evoplay and takes place in a demolished city, with gloomy weather, and a mournful soundtrack to set the atmosphere.

Battle Tanks is played on 5 reels and 3 rows of symbols, with 9 ways to win. If you’re lucky enough to land three Scatters, you can win 15 Free Spins with a 3x multiplier. Also, the RTP is 93.9%, and there are other bonus games you should check out as well.

Book of Ra Deluxe

The Book of Ra slot comes from Novomatic’s library and is probably one of the most well-known slots ever. It was revamped a lot of times in the past, with each new version becoming better than the previous one. However, the essence of the game was preserved each time.

It features an ancient Egyptian theme, played on 5 reels and 10 generous paylines. Book of Ra Deluxe does not have many bonus games, but you can win up to 10 Free Spins with the right symbols. The RTP is 94.26%, so the payout is quite good.

Age of the Gods

Let’s continue down our top-games list with another god-themed slot game. This time, we’re entering the world of Greek mythology with the Age of the Gods slot. The game is developed by Playtech, one of the best software companies out there. It features 5 reels, 3 rows of symbols, and 20 paylines.

The symbols are inspired by famous Greek Gods, such as Zeus, Ares, Poseidon, Athena, and so on. The RTP varies between 94.03% and 95.02%, and by playing the game you will be competing for the incredible progressive jackpot as well.

The Dark Knight Rises

The Dark Knight Rises is based on the popular Hollywood blockbuster movie with the same name, from the Batman franchise. In this Microgaming’s engaging slot game, you will have a chance to see what it is like to be Batman for a night and fight the evil on the streets of Gotham.

The likelihood of winning a round in The Dark Knight Rises slot is high due to the fact there are 243 paylines available. The layout is 5×3, with several bonus features to unlock as well, one of which lets you become Bane and destroy the city of Gotham. The RTP is 96.43%.

Holmes and the Stolen Stones

It’s time to give more credit to Yggdrasil gaming by including another one of their splendid games on the list — Holmes and the Stolen Stones. This progressive slot game has completely changed the way we think about jackpot games, primarily thanks to the intricate graphics Yggdrasil decided to go with.

Holmes and the Stolen Stones is played on 5 reels and 20 paylines. During the base games, you will be required to collect shiny crystals. When you collect five of them, you will have a go at the massive progressive jackpot. The RTP is 96.8%, with more bonus features to look forward to.

Thunderstruck II

It seems that mythology-inspired slot games are very popular among players nowadays, as this is already the third one on our list. In this case, we travel up north, powered by Microgaming’s engine, to learn more about Norse mythology and fight along their awe-inspiring gods.

Thunderstruck II showcases a huge improvement in terms of graphics, compared to the first edition. It’s played on 5 reels and 243 paylines, so there are plenty of ways to win. Moreover, it has loads of attractive bonus games and a pretty decent 96.41% RTP.

Starburst

Starburst by NetEnt is definitely one of the most popular slots at the time of writing this article, which means that you can find it in all online casinos out there. It features a space theme, and it’s surprisingly simple. However, players seem to love it and keep coming back to it.

The gameplay is simple as well, as it features a 5×3 reel layout and just 10 paylines. It also has a high-paying Wild-oriented bonus game activated fairly often. The best parts about Starburst are the visual and audio effects, which have a quite mesmerizing effect.

Planet of the Apes

The Planet of the Apes slot machine is inspired by the all-time favorite movie, but it doesn’t matter if you’ve watched it or not. This slot game is made by NetEnt and is a must-try for all of those who like unique slots. It features a double reel structure.

Each of them has 5 reels and 3 rows of unique symbols and bonus features. It’s like you’re playing two slot games at the cost of one. As you can imagine, the game is jam-packed with bonus features, with the RTP being a pretty solid 96.3%.

Laser Fruit

Laser fruit is a fairly new name on the slot industry playground, powered by Red Tiger Gaming. It resembles the classic slot games that most of us started our slot careers with, but has plenty of modern features to spice things up a bit more.

Laser Fruit has a seemingly low RTP of 92.1%, but consider that it also has 60,466,176 paylines – yes, you read that right. Therefore, striking a winning combination on the five reels that extend to six reels won’t be as hard as you think!

Book of Dead

If you haven’t already played the Book of Dead slot game by Plan’N GO, can you really say that you are a slot lover? This is a pure classic that was created a while ago, but a lot of players still hold it very dear.

It’s as simple as it gets, with 5 reels and 10 paylines, and just one bonus feature – the Free Spins. You can win 10 Free Spins with a chance to retrigger them, which is not too difficult to do. The RTP is 94.17%, which is right around the industry’s average.

Gonzo’s Quest

If your dream as a kid was to explore the world and look for long-lost treasures, you will love this NetEnt’s slot. In the game, you need to help Gonzo the conquistador find the long-lost city of gold called Eldorado.

The Gonzo’s Quest slot game features 5 cascading reels and 20 paylines, so the gameplay is quite exciting. The RTP maintains NetEnt’s standard at 96%, and the slot lets you win up to 20 free spins with an up to 15x multiplier. All of that translates to some pretty high wins.

Wolf Gold

Wolf Gold is the first Pragmatic Play slot on this list. However, if the list were longer, there would surely be more of them. It’s a beautifully designed and colorful slot played on a 5×3 layout and 25 paylines. The symbols include some of the most awesome animals in nature, such as wolves, mountain lions, eagles, buffalos, horses, and so on.

The bonus features include both Free Spins and Money Respins, which also gives you a chance to win the Mega Jackpot amount. The 96% RTP is pretty decent, so a lot of players online are reporting frequent low-to-medium wins.

Jumanji

We have to jump to NetEnt’s slot factory once again to take a closer look at Jumanji — one of the best slot games ever made, according to many knowledgeable players. The game has 5 reels and pretty non-standard 36 paylines, with an RTP that reaches 96.33%.

Awesome bonus features are oozing out of every Jumanji’s pore, so there is little to no chance that you will ever get bored playing this slot masterpiece. The symbol distribution on the reels is quite unique as well, but we’ll leave it to you to find out more about it.

Extra Chilli

Is Mexican your go-to food whenever you’re deciding on the night’s takeout? If you like your food spicy, you’ll surely enjoy this Big Time Gaming’s hot slot as well. It has fantastic graphics and a game window full of interesting details to keep you amused.

The Extra Chilli slot is played on 6 reels and has a whopping number of 117,649 paylines. As you may assume, winning a round is not at all difficult in this game. The RTP bounces back and forth between 96.15% and 96.82%, depending on the active features.

Fortunium

The Fortunium slot game is powered by a lesser-known slot provider called StormCraft Studios. However, that does not make the game inferior to any other out there. It certainly breaks some boundaries and shows us what the slots of the future might look like.

It’s inspired by the popular art movement called Steampunk, featured in many popular Hollywood movies. Fortunium is played on a 5×5 layout, has 40 paylines, a high 96.47% RTP, and three awesome bonus features.

Diamond Mine

The Diamond Mine is a unique slot game powered by Blueprint Gaming played on an interesting reel layout. There are 6 reels in total, but the number of symbols on each reel changes with each spin.

The slot is designed to look like a real mine, so all you need to do is start digging to find the gold. The RTP in the Diamond Mine slot is 96.43%, and if you play it, you might trigger some cool bonus features, such as Cascading Symbols, TNT Mystery Symbol, and Free Spins.

Cleopatra

We’ll end our list of the 20 most popular free mobile slot games with an IGT creation called Cleopatra. As you can assume, the most beautiful Egyptian Queen is the main character in the game, so you have a chance to see how generous she is.

The Cleopatra slot is played on 5 reels, 20 paylines, and it gives you a chance to win the progressive jackpot. However, if you’re not that lucky, you can still increase your balance by triggering the Free Spins with a 3x multiplier.

Jacob Atkinson

Jacob Atkinson Administrator

Hi, I am the Chief Editor of sosgame.com, this site is dedicated my love of slot games. Slot machines have been around for a while, with now being converted to an online audience. So I have decided to put them all in a place where you can hopefully enjoy them as much as I do.

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