If you've been playing online slots, you'll know that hundreds of games are released by a number of developers every year, and yet only a few seem to stick around and remain popular throughout the years. Of course, there is a reason for these slots’ popularity - they might really be the best payout slots on the market, or else they contain multiple elements which make them unique and more exciting than the rest. In this article, we’ll be having a look at the 10 most popular online slots to help you choose the best slots to play online.
Before we introduce you to those which we think are the best slots to play, we thought we'd have a look at the iGaming tracker slots rankings for last January. These rankings include both classic slots that have remained popular over the years (with Starburst still occupying 1st place), as well as recent releases that have made it to the top 20:
Bonanza (Big Time Gaming)
Mega Moolah (Microgaming)
Book of Dead (Play’n Go)
Rainbow Riches (SG Digital)
Gonzos Quest (NetEnt)
Diamond Mine (Blueprint)
Extra Chilli (Big Time Gaming)
Dragons Luck (Red Tiger)
Who Wants To Be a Millionaire Megaways (Big Time Gaming)
Genie Jackpots (Playtech)
Fishin Frenzy (Blueprint)
Mystery Reels (Red Tiger)
Book of Oz ( Microgaming)
Deal or No Deal What's In Your Box (Blueprint)
Rainbow Riches Pick n Mix (SG Digital)
Turn Your Fortune (NetEnt)
Book of Ra Deluxe (Novomatic)
We assume that if you haven’t heard about Starburst slot by NetEnt, then you’ve been living on another planet. The game has been ranking alongside the best casino slots for years, even though it’s been released over 6 years ago. Starburst is a 5-reel slot with 10 paylines which pays both from left to right and from right to left. The gameplay in Starburst is relatively simple – in fact there is just one main feature, which is the wild symbol that transforms one entire reel into a wild and awards re-spins. Payouts are on the low side but you will get them frequently, as the game is of low to medium volatility and can boast of a great hit frequency. We believe that all of these characteristics together with the game’s attractive graphics, is what has led to Starburst’s lasting popularity.
Another NetEnt creation, this vampire-themed slot has earned a reputation for being one of the best payout slots out there. The RTP of Blood Suckers slot is 98%, one of the highest you can find, and in fact some casinos impose restrictions when it comes to wagering their bonus on this slot. Blood Suckers is also one of the best slot machines with bonus game to play thanks to its multiple bonus rounds – there’s a free spins feature with additional cash prizes, as well as a Vampire bonus game which awards prizes of up to 203x the stake. The maximum you can win on Blood Suckers is 7,500 times the stake, which is a wonderful reward when you consider the high RTP.
This is another popular vampire-themed slot, developed by the popular game manufacturer Microgaming. This game features 243 ways to win and a free spins feature with multipliers and four different levels, which are activated depending on how many times you trigger the free spins. The graphics and soundtrack are of high quality and create an eerie yet thrilling atmosphere which is perfect for those who love the vampire theme. Last but not least, in Immortal Romance you can win a 60,000 coin jackpot together with a maximum payout of 3,645,000 coins! However, the key to these big wins is to trigger the bonus games, since unfortunately the base game won’t reward you with very high payouts.
Mega Fortune by NetEnt is one of the most popular progressive jackpot slots on the market. In fact, it has also made it to the Guinness Book of Records in 2013, when a player won €17.8 million from a single spin! The graphics in Mega Fortune evoke that glitzy atmosphere that’s associated with wealth and luxury, and symbols include champagne bottles, yachts, and luxury accessories – perfect for those who are dreaming of becoming millionnaires overnight! Featuring free spins with multipliers and a Wheel of Fortune Bonus Game with three levels, this is the game to try your luck on if you’re after a massive jackpot. In fact, it’s through this wheel that you can get to the Mega Jackpot, which always pays out over £250,000, but normally runs into the millions, making it one of the best payout slots!
This is another progressive jackpot slot, produced by Microgaming and inspired by the African wildlife. Like Mega Fortune, Mega Moolah also features a Jackpot wheel, this time linked to four jackpots! This wheel is be randomly triggered during the base game, and players will have to press stop to see which jackpot they will win. The great thing about Mega Moolah is that its Mega Jackpot starts from £1 million, which means that this amount is always guaranteed for the winner, and players can win it even if they bet the minimum! RTP is on the low side, at just 94% overall, but we still classify it amongst the best payout slots due to its jackpot rewards for lucky players!
This is a game by the creative developer Playtech, part of a series of slots inspired by Greek Mythology. Age of the Gods boasts of a varied free spins with additional features (multipliers, wilds and stacked wilds) to increase your winnings and 4 progressive jackpots which may be triggered randomly. The Ultimate Power Jackpot – which is the highest one – normally runs into the millions of pounds.
Another creation by NetEnt, Gonzo’s Quest features amazing graphics and will whisk you off on an adventure to the Peruvian jungle in search of the lost city of Eldorado! The game’s most rewarding feature is the free spins with multipliers, which range from 3x to 15x, and are also re-triggerable. Its exceptional design and entertaining gameplay, coupled with its great hit frequency have made Gonzo’s Quest one of the best casino slots, and to make things even better for you, online casinos love to give free spins bonuses in this game.
This is another NetEnt classic with a retro-look that’s reminiscent of those Vegas-style slot machines. Twin Spin has earned a reputation for being very rewarding thanks to its 243 ways to win and the unique Twin Reel feature (two reels that spin together and stop on identical symbols), which increases the chance of landing winning combinations. It can be a great alternative for those players looking for a straightforward gameplay and a classic-looking online slot which can still boast of sleek and high-quality graphics. NetEnt have also released Twin Spin Deluxe in 2018, a more complex sequel to the original Twin Spin, but we still think the latter is more worth playing since it awards a higher maximum payout and its charm really lies in its simplicity.
Since its release in 2010, Microgaming’s Thunderstruck II has managed to remain popular throughout the years. Based on Norse Mythology, this slot features 243 ways to win and a multi-level free spins feature where each level includes its own special feature that will help you win more. The RTP is in the high end, at 96.65%, and volatility is in the medium to high range, making it ideal for a very wide audience. Of course, the graphics and visual effects are absolutely stunning and add to the entertainment factor.
This Egyptian-themed slot by Novomatic can be included amongst the best payout slots you can find at online casinos. This is perhaps because its free spins feature will automatically reward you with a x2 multiplier on all spins, thus doubling all your wins from this round. The maximum win you can secure from this slot is 5000x stake during this free spins round! Book of Ra Deluxe is a highly volatile slot which would mostly attract high rollers who are ready to risk a bit more for the chance of pocketing bigger prizes.
If you’re dying to try out any of the above slots, we suggest registering for your Slot Tracker account first. With this program, you’ll be able to keep track of your winnings and losses and get the best slot analytics which will help you identify the best slots to play online. Slot Tracker will provide useful information about volatility, RTP, bonus frequency, and bonus averages for each slot so you can make comparisons and track down the best bonus slots. All the slots recommended above can be linked to the software in order to get data in real-time, not just based on your own activity, but also based on millions of real spins by the Slot Tracker community. Remember, knowledge is power, and knowledge is what you’ll get when you start using Slot Tracker!
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