Finding the perfect slot machine will come easily after reading our online slot reviews, where our experts have made an effort to provide players with a list of the top online slots. We have also given more insight on their game providers, popular themes and how we rate them.

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The Top 5 Rated Online Slots in 2024

Providing slot reviews gives players more insight and knowledge on how to play and what to expect from them. Our experts have displayed the top 5 best online slots that can be played for free or for real money.

  1. Ugga Bugga – Slot Machine With The Highest RTP Rate
  2. Mega Joker – Online Slot With A Progressive Jackpot
  3. Blood Suckers – Online Video Slot With A Thrilling Theme
  4. Medusa – Slot Machine With Great Payouts
  5. Dead Or Alive 2 – Online Slot Game That Offers Free Spins

1. Ugga Bugga – Slot Machine With The Highest RTP Rate

Ugga Bugga Slots

Our Verdict: 4.8/5

Ugga Bugga Slot Machine has been around for many years and was developed by a well-known software developer, Playtech. Since 2013 this online slot game has been top rated with one of the best RTP rates. Ugga Bugga slot has 3 reels and 10 paylines, as well as additional features such as re-spins and wild symbols. With having high RTP rates, this slot also provides a great amount of payouts and wins. This slot is suitable for beginners as well as high rollers as the pay table, symbols and bets are easy to understand and follow. This online slot also offers players the advantage of playing for free as well as for real money.

2. Mega Joker – Online Slot With A Progressive Jackpot

Mega Joker Slot Machine

Our Verdict: 4.7/5

Mega Joker slot machine is a NetEnt classic video slot that has 3 reels, 4 rows and fruity and number symbols. The slot game’s RTP is at a high rate of 99% which means this online slot also pays out frequently. There is something that makes Mega Joker special and that is the progressive jackpot they offer. The game comes with a progressive jackpot that any max coin bet in the lower set of reels could qualify to earn. Players will have the opportunity to use different bonus features, such as additional free spins and bonus rounds to increase their chances of higher payouts.

3. Blood Suckers – Online Video Slot With A Thrilling Theme

Blood Suckers Online Slot

Our Verdict: 4.7/5

Blood Suckers is a 3D slots machine released by NetEnt software developers. This video slot has 25 paylines, 5 reels, and has very low volatility. Blood Suckers offers two different bonuses as well as an outstanding RTP rate of 98%. This online slot has a great theme, design, soundtrack and symbols which all match the thrilling theme.

4. Medusa – Slot Machine With Great Payouts

Medusa Slots

Our Verdict: 4.6/5

Medusa Slot Machine is an Ancient Greek Mythological themed online slot game released by NextGen gaming developers. This is a fairly new online slot that has only been around since 2019 and continues to excite players with a few bonuses. Medusa Slots offers a simple yet interesting gameplay and has a high RTP rate of 97,63%. This 5 reel slot has 10 paylines that have great payouts and has plenty of extras to offer players.

5. Dead Or Alive 2 – Online Slot Game That Offers Free Spins

NetEnt Dead or Alive 2 Slot

Our Verdict: 4.5/5

Dead Or Alive 2 is another online slot developed by the NetEnt software developers. This slot theme is based around a Wild Western theme that has symbols, music and graphics that fit in perfectly. This 5 reel, 3 row online slot has 9 active paylines and offers a free spins feature, a wild symbol, a scatter and a multiplier that may help to boost all winnings and to top it off, it has a high RTP rate of 96,82%.

Other Online Slot Reviews

The following online slot reviews displayed below, takes you straight to an in-depth review of our top online slot machines which reveals everything you need to know about the games.

How We Rate Online Slots

There are many different things we look at and take into consideration when rating our online slots. The features we have mentioned below are important and make a slot machine really come to life, for example their thrilling themes and sounds. We also take a look at the slots RTP rates, bonuses, free spins and everything else they offer. Their ratings all depend on these several features.

Slots Themes And Sounds

An important factor we consider when ranking and writing our online slot reviews is definitely the slot’s theme. We take a look at how eye-catching the theme is and what a player’s first impression would be. We look at the symbols and other features like the music and sounds that match with the theme. Although the sounds are just a small factor in the gameplay, as many players often turn the sound off to enjoy just the spins. But both the theme and sounds tie in with our next rating factor which is the style of the slot game.

Style of Game

Online slots come in many shapes, forms and sizes, with various numbers of reels, rows, paylines, and symbols too. Players normally stick to their preferences and enjoy a certain type of game but whether you are a fan of classic slots, video slots, grid slots, mega ways slots, or jackpot slots, the style of the slot should fit in with the theme.

Slot Variance and Volatility

Our latest online slots mostly have a medium to high volatility as well as a high variance. These online slot machines often payout bigger but require more patience, a slightly larger budget and a little more experience to play. Players are generally on the lookout for different types of slot variances and volatilities. We consider the variance, relating it to other slots of the same variance rating so that you can compare fairly and properly.

Bonus Features

This is the main feature most players look for. With so many online slots offering a huge variety of game bonus features it makes it harder to decide how to rate and rank them. Most of the slot bonus features often offer a different payout rate, which provides more winning opportunities. Sometimes it also works the other way around with the simple slots getting a higher rating than the one filled with a dozen bonus games that are hard to hit or don’t pay much.

Slot RTP Rates

The theoretical return to player rate is essential when deciding an online slot’s rating. We always recommend players to play slots with high RTP, because they tend to payout more often than those with lower RTPs. The RTP, mixed with the pay table and bonus features, are considered as they work together to form slot payouts.

The Slot Pay Table

Every online slot player should know and understand the slots pay table before they take their first spin. It tells you not only what bonus features and special symbols you can expect to find when playing but also the value and number of all the symbols on the reels. The fewer symbols, the better, as that means you will get more occurrences of the symbols on your spins and a better chance of getting a winning combination.

What Are The Best Online Slots?

It is important for players to familiarize themselves with the different types of online slots. This will help when it comes to choosing which slot machine to play according to your needs, bankroll, and preferences. We have listed a few different slot categories below which shows you the different types and variations of online slots available.

Classic Slots

Classic slots are also known as three-reel slots which are single-line slot machine games that are not only the simplest to play but have simple rules, symbols and gameplay. Classic slots are ideal for new players who are new to the online betting industry. These games come with generous and progressive jackpots where if a player lands on three similar symbols, they win an amazing jackpot. Many players prefer these classic slots as the gameplay is fast and enjoyable and their variance is high.

3 reel online slot

Five-Reel Slots

Five-reel slots are also known as video slots. Video slots have been the forerunners of online slots since they are your typical slot machine in a land-based casino that comes with a video screen instead of mechanical reels. This means that five-reel slots are an advancement of the classic machines where they are also considered to be the most common slots among the best online casinos.

Video slots have gained immense popularity, with the maximum number of coins varying between one or more for a prize line. Video slots come with very attractive graphics, sounds, and videos to attract all players, new as well as experienced players. Software developers have designed these 5-reel slots to enhance players’ experiences. These slots have more paylines, which increases your chances of winnings and come with higher jackpots too. Your bets with five-reel slots are also likely to last longer.

5 reel slot

Progressive Slots

Progressive slots have become very popular amongst many casino games. In order to qualify for the progressive jackpot, players need to play with a maximum wager. Therefore, players need to remember that they need a greater investment when playing this type of slot game than when playing a normal and current slot machine.

Progressive slots work a bit differently and here’s why. Whenever a player makes a maximum wager on this kind of online slot game, part of their wager goes into contributing to the progressive jackpot. The jackpot consists of all the bettors who play that game at that specific time. In most betting platforms, operators have markers that show the total amount of the progressive jackpot they have accumulated with their progressive slots. The rest are similar to the other slot machines. Progressive slots come with different themes, and they can feature three or five reels. Progressive jackpots can reach as high as millions, the odds of winning such a payout are low, similar to playing the lottery.

Progressive Slot

3D Slots

Online slot games are not complete without mentioning the 3D versions. These are all the online casino slots with three-dimensional elements within the game. They are designed in various ways focusing on many features making players’ experiences more enjoyable and dramatic. Players are likely to find new 3D video slots that feature multiple paylines as well as mini games.

3D slot

The Best Game Providers For Online Slots

Our top online slots are developed by the best game providers. The following game providers reviewed below are the most well known software developers who have released many online slots from some of the best online casinos. We have given you a short breakdown and explanation of each game provider.


The software developers, Playtech designed our top online slot and many others too. They put a lot of time and effort into making the best games, making sure they include top notch features. Playtech was established in 1999 and has become one of the best game providers which has released both traditional and video slots, table games, video poker, bingo, scratch cards, poker, live games, and fixed odds games.

Net Entertainment

NetEnt was established in 1996 and currently works with over 170 online casino operators. They are another one of the best slots providers out there as they make sure to have something for everyone, starting from traditional slot games like Mega Joker all the way to more complex games such as Blood Suckers, Dead Or Alive 2 and Gonzo’s Quest as well as many others. This slot provider also offers some appealing progressive slot machines.

Real Time Gaming

Since 1998, Real Time Gaming developers have been a top slot provider, offering many games with daily, weekly, and monthly slot tournaments, which allow players to compete against their peers for cash rewards, The best RTG online slots come in both downloadable and immediate play formats that can be accessed from desktop computers or mobile devices.


The Microgaming developer company has always been and continues to still develop and surprise us with innovative concepts and flawless implementations. Their online slot games are available in both download and instant-play versions. Some of their best work includes classic fruits slots and many other video slots that can be played for free as well as for real money.


NextGen software developers are also known as the NYX Group. NextGens online slots are instantly recognizable due to their fantastic graphics and animations, as well as a variety of creative in-game features. The SuperBet feature, for example, allows you to place an extra stake that increases your chances of winning, and it’s frequently used in conjunction with enhanced wilds and free spins. Medusa is one of the finest slot machines NextGen has created.

With so many different online slots out there, they have a wide variety of popular themes which means there is definitely something for everyone. The slot themes vary from fruity themes to vampires and Egyptians, to ancient Greek mythological themes as well as some fairy tale themes. We have listed a few popular slot themes below.

Fruit Themed Slots

It does not get more classic than the top themed fruit machine slots games. Many casinos offer a wide variety of different fruit slots as it is the most popular theme. The best thing about fruit machines is that the gameplay is usually really simple, and all you need to do is match fruit symbols on the reels to trigger a win. Pragmatic Play is one of the providers offering a great selection of fruit-based slots which feature stunning visuals.

Fruits Online Slot Machine

Ancient Egyptian Themed Slots

There are over 550 online slot games that are based around an ancient Egyptian theme. This is one of the most popular themed slots out there as players love being transported to another world, and these Egyptian themed slots focus on that. With their pyramids, mummies, pharaohs and hieroglyphics, these Egyptian-themed slots transport players back in time to a land of mystery and intrigue.

Egyptian Dreams Deluxe Slot

Fairy Tale Themed Slots

Fairy Tale-themed slots allow players to relive their childhood fantasies while also getting the chance to play and win some real money. There is a wide variety of these online slots, from classics like “Little Red Riding Hood” and “Hansel and Gretel” to more modern slot twists like “Jack and the Beanstalk” and “Beauty and the Beast.” With so many of these slots around there is a Fairy Tale-themed slot out there for everyone. And with enchanting graphics, heartwarming stories, extra features like free spins and bonuses these online slot machines often have players coming back for more.

Fairytale Slot

FAQ’S About Slot Reviews

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