Our 7 Most Popular Online Slots of 2021

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BetMGM Oct 20, 2021, 4:56 PM

BetMGM, brings you the best online slots from some of the world’s greatest game publishers, including IGT, DGC, NetEnt and many more. Whether you’re a fan of fantasy-filled, off-the-beaten-path adventures or traditional online slot machines, we’re certain that one of our top casino slot games from 2021 will have something that appeals to you.

So, what makes a game popular? When it comes to online casino slots, there are a number of factors to consider. First, and most obvious, is the theme. With a wide range, from ancient civilizations and African safaris, to game shows and fantasy, there is something for everyone. And certain themes, as you’ll discover below, seem to be popular favorites. Then there is the title’s quoted return to player (RTP,) which helps players decipher which games are most likely to pay back; and (for some titles) a jackpot up for grabs; and finally, there are the bonus features, which entice players and keep spinning the reels interesting.

From space exploration to jungle adventures, discover the best online slots of 2021 below.

1. Starburst

Starburst (released in 2012) is seen as a classic casino game among online slot fans across the world. This sci-fi-themed, 5×3-reel slot game from NetEnt features 10 fixed paylines and expanding wilds along the 3 center reels, which help you to claim additional respins. When a wild appears on a reel, that reel locks in place and awards you an additional respin. This sequence happens until all 3 reels are filled with wilds, or you fail to trigger another wild.

Starburst is a simple slot game with an RTP of 96.09% and enough excitement to keep people coming back time and time again. The shiny reels combine fun, high-quality graphics with classic symbols and a retro, arcade-style experience to entice a welcomed dose of nostalgia while engaging players with its incredible $50,000 win potential.

2. Gonzo’s Quest

Gonzo’s Quest is another timeless title from NetEnt. This 5-reel slot, released back in 2011, takes you on a journey through the jungles of South America in search of El Dorado, the lost city of gold.

Gonzo’s Quest offers plenty of excitement, with 20 paylines, an RTP of 95.97% and cascading reels. When landing a winning payline, the symbols explode, prompting an avalanche of new symbols to fall into the spaces for another chance to win. The action doesn’t stop there, though: You can also get free spins and a 3x to 15x multiplier through the Free Fall feature, which is triggered when you land 3 Free Fall Scatters in a row. The excitement of exploring an Ancient Incan city, simple gameplay and the potential for big rewards make the enduring popularity of this classic game unsurprising.

Longtime fans of Gonzo’s Quest will be happy to know that Red Tiger Gaming partnered with NetEnt in 2020 to bring Gonzo’s Quest MegaWays to the reels, which features a number of bonus features plus the exciting MegaWays mechanic. This version offers 117,649 ways to win and an incredible maximum win potential of 21,000x. What’s more, the original slot concept has even inspired a push into the live gaming genre with Evolution’s Gonzo’s Treasure Hunt Live, so it’s looking as though this franchise is going to gain more fans even beyond slots.

3. Jumanji

The Jumanji online slot reel during regular play.

Jumanji – another NetEnt slot – is an online game based on the hit film of the same name. But it’s not just the stampeding rhinos, marauding monkeys and sudden storms that put an interesting spin on things. Instead of a standard setup, this 5-reel, jungle-themed slot has a unique 3-4-5-4-3 layout, offering different numbers of symbols depending on the position of the reel. 

Besides the unusual reel configuration, Jumanji has a board game feature that combines elements of board game play with free spin features. Plus, with 36 paylines and an RTP of 96.3%, this thrilling adventure is sure to appeal to fans of the movie and reel lovers alike. The game not only offers an action-packed odyssey and incredible visual effects, it also boasts a very broad betting range, making it a favorite among players of all bankrolls.

4. Dead or Alive 2

Ancient Egypt is a popular backdrop for online slot machines. Although there are plenty of games out there that draw on the opulence of this great civilization to boost their image, one stands head and shoulders above the rest: Loot’En Khamun. This 5-reel game from developer PartyGaming offers players an incredible 243 paylines, and if you’re lucky enough to trigger the free spins, you’ll have a potential 1,024 ways to win.

This progressive jackpot casino slot game gives players a chance to win one of five jackpots: Blitz Cash, Quick Cash, Super Cash, Mega Cash and Colossal Cash. These special jackpots help to boost your chances of winning and complement the excellent 95.3% RTP to make Loot’En Khamun & the Dead Sea Scrolls a game you just shouldn’t miss.

5. Loot’En Khamun & The Dead Sea Scrolls

Ancient Egypt is a popular backdrop for online slots. Although there are plenty of games out there that use the opulence of this great civilization to boost their image, one stands head and shoulders above the rest: Loot’En Khamun. This 5-reel game from developer Party Gaming offers players an incredible 243 paylines, and if you’re lucky enough to trigger the free spins, you’ll have a potential 1,024 ways to win.

This progressive jackpot slots casino game gives players a chance to win one of five different jackpots: Blitz Cash, Quick Cash, Mega Cash, and Colossal Cash. These special jackpots help to boost your chances of winning and compliment the excellent 95.3% RTP to make Loot’En Khamun & The Dead Sea Scrolls a game you shouldn’t miss.

6. Wheel of Fortune Triple Extreme

The Wheel of Fortune Triple Extreme reel during regular play.

Fans of the game show after which Wheel of Fortune Triple Extreme is named will definitely want to give this slot a spin. But even if you’ve never seen a single episode, this slot game from IGT offers players plenty of fun – and ways to win. The 3-4-5-4-3-reel configuration and MultiWay Xtra wager system give you no fewer than 720 opportunities to score up to 500,000 coins when playing at the maximum bet (providing you can afford it.) If you’re lucky enough, you stand a chance of triggering one of two bonus features: The Mini Wheel Bonus Feature, which provides cash winnings; and the Triple Extreme Spin Bonus, which pays out real cash and bonus multipliers to help you take home the big prize.

With an RTP of 92%, Wheel of Fortune Triple Extreme may not pay out as much as other slots, but when it does, you’re likely to win big!

7. Jungle Jim El Dorado

Rounding off our list is a jungle-themed slot from developer Microgaming called Jungle Jim El Dorado. Similar to Gonzo’s Quest, players become brave adventurers who explore the jungle in search of the fabled city of gold. 

Players who join in the search for El Dorado will find a slot with 5 reels, 25 paylines and an attractive 96.3% RTP. Plus, if luck is on your side, you’ll have the chance to strike it big by scooping 3,680x your stake. But if you don’t manage to take home the grand prize, you still have a chance to boost your winnings thanks to the Multiplier Trail. Providing a 3x to 15x boost for each free spin, this feature has the ability to increase your booty drastically. Combine this with the fact that it could see you ending up with 20 free spins, and it’s easy to see why this slot has been so well loved.

Enjoy thousands of real online slots at BetMGM

These online casino slots are just a taste of the exciting online casino games we have for you to enjoy at BetMGM. At our online casino, you can dive into a fantastic range of titles. Enjoy playing jackpot slots in a land-based casino? We have a wide selection for you to enjoy online. Prefer playing live at a casino online? Our live dealer games will be right up your alley. Want to play a game of poker on your mobile phone? No problem, just download our casino games app.

To start playing new and classic casino games, enjoy great casino odds and much more, register with BetMGM.

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Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.

Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.