In 2021, the mobile gaming industry has grown into an unsurpassed record of more than 2.2 billion players worldwide. Smartphones are more popular than they’ve ever been, making gaming more accessible and convenient. But what are the best games to play when you’re on the go? Casino games are of particular interest to adults over the age of 18, and while most of the games at casinos online can be played on mobile devices, online slots are, undoubtedly, the ideal mobile game. Why? They have a simple layout, they’re easy to play, and they don’t require much strategy, making it easy to spin the reels when you have some time to kill.

Mobile phones and tablets are both great portable devices that make gaming possible whenever the mood strikes. While tablets offer a large screen, many recent smartphones like the iPhone 11 and 12 Pro Max, and Galaxy S8 boast very comfortable screens perfect for gaming. With 72% of the previously mentioned 2.2 billion mobile gamers being mobile phone users, no one seems to be having a problem. Pressing the spin button while on these devices also feels surprisingly satisfying, much like pulling the lever on old-school slot machines, we imagine.

Ready to spin the reels on the best online slots? We’ve selected 10 of the most popular online slot games that have been optimised for mobile and feature a generous return to player (RTP), fun themes, and exciting features, as well as other casino games worth playing on your mobile.

1. Berryburst – NetEnt

One of the most popular fruit-themed slots is Berryburst, and its vibrant colours and lively soundtrack translate perfectly onto mobile screens. This online slot by NetEnt boasts 5 reels, 30 paylines, and a fun respins feature. The reels are filled with mouth-watering fruit symbols, and the win potential is a juicy 5,000x your wager.

2. 88 Fortunes – SG Gaming

Fancy a slot with a Far Eastern theme? Well, 88 Fortunes brings the best of oriental-inspired slot games to your mobile screen. With 243 ways to win and four spicy jackpots, this game is perfect for those who enjoy the thrill of progressive jackpots. Expect stunning graphics, animations and a host of lucky symbols, along with a competitive RTP of 96%. There is also a Megaways version available for fans of this slot at Mecca Games.

3. Starburst – NetEnt

Possibly one of the most popular slot games of all time, Starburst offers an incredible win potential of £50,000 and an out-of-this-world experience! The game combines simplicity with some exhilarating features, allowing it to withstand the test of time as one of the best online slots. With an RTP of 96.1%, an exceptional hit rate, expanding wilds and respins, you’ll want to join the crowd and download Starburst to your mobile, just to see what all the fuss is about.

4. Cleopatra Plus – IGT

Cleopatra, queen of kings, is among the most famous names to have come from the mystical lands of Ancient Egypt and is just as popular in the world of slots. IGT’s title Cleopatra Plus features incredible graphics and a number of rich bonus features to delight those who spin its 5 reels. With an extraordinary 1,012,920x your stake jackpot and a legendary bonus system, you’re in for some sublime gameplay when you try your luck in this slot from your mobile.

5. Gonzo's Quest Megaways – Red Tiger Gaming

The Mayan adventure continues in Gonzo’s Quest Megaways! Following hot on the heels of the incredibly popular Gonzo’s Quest, the Megaways version boasts 117,649 ways to win and a 21,000x-your-wager jackpot. With some added bonus features, excellent graphics, and a 60% hit frequency, this odyssey has the potential to offer players some wonderful treasures.

6. Siberian Storm – IGT

For a change of scenery, Siberian Storm gives players the chance to experience the icy wilds of Siberia, surrounded by some ferocious white tigers and precious gems. The game has 720 ways to win, incredible graphics, and a MultiWay Xtra feature that greatly amplifies win potential. The game offers free spins and stacked wilds, and the high betting limit makes it perfect for high-rollers (but do keep an eye on your bankroll, whatever its size, when you play slots and other casino games).

7. Aloha! Cluster Pays – NetEnt

ALT: Woman sitting on couch drinking tea looking at laptop

Playing slots on the train or while waiting in a long queue? Let Aloha! Cluster Pays transport you to a tropical island where relaxation is the name and winning (or at least playing to) is the game. This beautiful online slot boasts a cluster-pays mechanic whereby symbols form clusters to create amazing win opportunities, as well as respins, multipliers, free spins, and a symbol-drop mechanic that keeps the rewards coming. If you need more coconuts, tiki statues, flowers, and pineapples in your life, why not give Aloha! Cluster Pays a spin on your mobile phone some time?

8. Mega Moolah – Microgaming

Fancy an African safari on your lunch break? Meet some goofy-looking animals in Mega Moolah, a simple slot with a little secret – this online slot game has paid out some of the largest jackpots in history since its release in 2006! It offers players another progressive jackpot with four jackpot bonus rounds, and the lion, giraffe, zebra, monkey, buffalo, elephant and antelope that appear on the reels promise to make your mobile gaming experience a memorable one.

9. Spartacus: Gladiator of Rome – WMS Gaming

Live out your ancient warrior fantasy in Spartacus: Gladiator of Rome. Following the legendary warrior, the game hosts not one, but two sets of reels and 100 paylines, giving you plenty of opportunities to be victorious! With a number of bonus features, the game also offers a large betting range, making it ideal for players of all budgets. The symbols, setting and soundtrack create an immersive experience, making this slot never short of entertaining.

10. CATS – IGT

If cats are your thing, then an extra dose of the furry felines every now and then with the CATS slot game is sure to delight. Another IGT mobile favourite, this slot game brings a number of majestic wild cats to your screen, along with some great bonus features including split symbols, free spins, multipliers, and more. Play to sink your claws into the jackpot and enjoy the pawsome gameplay that comes along the way.

Other casino games to play on mobile

Other great games that are ideal to play on mobile devices include Slingo games such as Slingo Extreme, Book of Slingo, Slingo Starburst, and Slingo Rainbow Riches. Slingo is a blend of bingo and slots, making it ideal for some great action on small screens! Scratch and arcade games – such as Ted Big Money Scratchcard, based on the comedy film – are another mobile favourite, and offer a quick scratch-on-the-go for a moment of fun. You can find all these and more at Mecca Games!

Play online games at Mecca Games’ casino site

Whether you’re playing on mobile or desktop, Mecca Games offers some great casino games that are sure to entertain you. We have an impressive selection of online slot games (not least the ones we’ve covered in this article), including Megaways slots, jackpot slots and progressive slots, as well as Slingo games, scratch and arcade games, live dealer games and more! To explore what we have in store for you, register with us.