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Masks of Medusa
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Why play our free slot games?

Our massive selection of free slots boasts some of the best graphics and animations you'll find online for 3 reel and 5 reel slots. The games have been developed by leading software makers like NetEnt and Microgaming, so you can expect fabulous themes, show-stopping soundtracks and bonus rounds that will get your heart racing.

One of the major advantages of playing our exclusive free slot games for fun is the ease of getting started. With no sign up required, you could be playing these games within seconds.

Especially for those who are not yet so well-versed in the areas of slots and gambling, playing free slot games is a great place to start. If you plan on taking part in a slot tournament this will enable you to get to know an online slot machine, inside and out, with no restrictions to the amount of time you can spend.

Play demo slots to try new bonus features

One of the biggest advantages to playing free online slots is that you can test out bonus rounds. In real money slot games, bonus features can be highly lucrative. In fact, sometimes the jackpot can only ever be hit if a bonus game is triggered. With that in mind, it's worth playing the game in demo mode beforehand to know what to expect and what the bonus rules are. Plus, you can test out strategies you might have and see what happens with different wager sizes.

The best free slots casinos

⭐ Best free slots casino overall
🎁 Best for casino bonuses
Gambino Slots
🎰 Popular free slots
King Kong Cash, Book of Ra, Rainbow Riches, Bonanza Megaways
📱 Compatible devices
iPhone, iPad, Android, Windows
⚙️ Software providers
NetEnt, IGT, WMS, Red Tiger

How to start playing free slots at Casino.org

  • 1
    Search or use our filters to find a free slot game.
  • 2
    Tap 'Play for Free' to open the game.
  • 3
    Check the paytable to find out each symbol's value.
  • 4
    Choose the amount you want to bet and how many pay lines you want to play.
  • 5
    Click or tap ‘spin’ to spin the reels and start playing.
  • 6
    Spin the reels as many times as you'd like, but always keep an eye on your bankroll. It's best practice in case you ever decide to play for real money.

Why Casino.org is the most reliable place to play thousands of free games

Unlike other sites, we'll never ask you to sign up or provide personal information to play our free games

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Top 5 best online free slots you can play at Casino.org

Our library of free online slots covers all of the biggest software providers and the best new slot games in the industry. Below, we've narrowed down five of our favorite slots to play in demo mode for February.

  • 1

    Book of Dead – Best overall theme

    Created by Play’n Go, Book of Dead is an iconic online slot. The game has an Ancient Egyptian theme with a temple backdrop, Egypt-inspired symbols, and music to match. Though Ancient Egypt isn't the most original theme, Book of Dead is a fan-favorite for its well-produced graphics and bonus spins game.

  • 2

    Starburst – Best for beginners

    Starburst is a much-loved online slot that was created in 2012 by NetEnt. This is a five-reel slot that comes with low volatility and an RTP of 96.1%, making it ideal for beginners. Plus, Starburst has its Starburst Wild which expands to cover one whole reel for extra fun!

  • 3

    Mega Moolah – Best progressive jackpot

    You'll already have heard of this Microgaming classic. Released in 2006, Mega Moolah has one of the biggest progressive jackpots going and has done so for years. Though this is a jackpot game, you can play it in demo mode and test out the gameplay before you wager real cash.

  • 4

    Gonzo's Quest – Best for multipliers

    Gonzo's Quest is a five-reel slot with 20 paylines. Players like this NetEnt slot for its multipliers. The game has a fairly unique 'Avalanche Reels' feature which means successive wins can unlock up to 5x multipliers. Plus, there's a 'Free Falls' feature which means you can bag multipliers up to 15x!

  • 5

    Immortal Romance – Best bonus round

    This Microgaming classic lets you play amongst vampires and werewolves galore. Players like Immortal Romance for its immersive Chamber of Spins bonus round. Hit three, four, or five-door knocker symbols to unlock bonuses like free spins, multipliers, rolling reels, transforming wilds, and more.

Free slots vs real money games

While with free slot machines you can hone your skills and perfect your strategy, there is one big drawback: you can't win any money! Real money slot machines can sometimes offer life-changing sums of money to players, and even the smaller winnings can intensify the excitement. If you're unsure whether you'd like to try real money slot machines or stick with playing free casino slot games, we've detailed the benefits of both in the table below:

Real money

Access to generous deposit bonuses and promotions

Potential to win life changing sums via a progressive jackpot (N.B. only applies to some games)

Real money prizes for the taking

There is the chance of losing real money

Games can be more difficult to win, the higher the payout gets

Free games

Useful for those looking to practice particular games and learn how to unlock bonus features and additional hidden mini games

An opportunity to test out strategies without the risk of losing any money

Great way to entertain yourself for free with no sign up

No real money can be won

Deposit-free bonuses can be unlocked, but tend to be less lucrative than real money bonuses

Real money Free games

Access to generous deposit bonuses and promotions

Useful for those looking to practice particular games and learn how to unlock bonus features and additional hidden mini games

Potential to win life changing sums via a progressive jackpot (N.B. only applies to some games)

An opportunity to test out strategies without the risk of losing any money

Real money prizes for the taking

Great way to entertain yourself for free with no sign up

There is the chance of losing real money

No real money can be won

Games can be more difficult to win, the higher the payout gets

Deposit-free bonuses can be unlocked, but tend to be less lucrative than real money bonuses

88 Fortunes

88 Fortunes

4.5/5
  • Exciting Oriental-themed slot from SG Gaming
  • Play more gold symbols to win more cash
  • Play 243 ways to win for added excitement

Our top tips and tricks for playing free slots online

Slots are complete games of luck – you can never predict the outcome. However, there are still some tips and tricks that can make playing free online slots even more enjoyable.

  • 1

    Always check the pay table

    It sounds like a simple one, but always check the pay table before you play. Knowing the rules of a game is the first step in understanding how to win. The tiny variations in a pay table can make all the difference when it comes down to winning the jackpot!

  • 2

    Find a game with a high RTP

    RTP stands for 'return to player' and is a percentage amount assigned to each slot game. This percentage roughly indicates how often a slot pays back over time. Every slot machine will have an RTP so it's good to check which games might theoretically pay out the best.

  • 3

    Test out new strategies

    When you play a free slot game, you don't wager any real money. This means you can get a bit more experimental with your gameplay. Why not try out new strategies, bet amounts, and pay lines that you might not usually?

  • 4

    Watch other players

    To really master a slot game, you can watch other gamblers play online. This will help you to better understand the game plus see what strategies are working for other people. Check out popular streaming sites and you'll find plenty of online slots streams!

Quote

"There’s a common myth that online slots come with hot and cold streaks. This is absolutely not true. All online slots are built with random number generators (RNGs) which means the outcome of every spin is completely unique. "

Hannah Cutajar, Online Casino Expert
Expert advice

Best software providers for free slots

There are hundreds of software developers that create and produce online slots. In general, most providers will create games with free play modes so that players can get a taste of the games without wagering real money. The best software providers are committed to creating slick slot games that use state-of-the-art software. Below we've covered some of the top providers to look out for.

Big Time Gaming

Big Time Gaming

Launching back in 2011, Big Time Gaming is an iconic game developer and the brains behind the Megaways slot games. Big Time Gaming has a varied portfolio of free slots that includes progressive jackpots, video slots, and more.

IGT

IGT

IGT is known worldwide as an innovator and leader in gaming. Slot games by IGT are hugely popular and include big titles like Cleopatra PlusDa Vinci Diamonds, and White Orchid

Microgaming

Microgaming

Microgaming has been around since 1994 and is a big name in the slots world. They really set the industry standard. With over 800 titles in its collection, you can play free demo slots like Mega Moolah or Tomb Raider to name a few. 

NetEnt

NetEnt

Another top free slot provider, NetEnt has been in the industry since 1996. Over 200 operators worldwide supply games from NetEnt – they're undeniably a reputable developer. Some of NetEnt's biggest games include Guns N’ RosesDead or Alive, and Starburst.

Play'n GO

Play'n GO

Play'n GO creates games worldwide, in over 30 different languages. They have hundreds of free slots and popular games including Book of Dead, which is hugely popular in Europe. Play'n GO is also quite well known for tumbling reels which feature in plenty of the developer's titles.

Playtech

Playtech

Playtech is a leading software developer and offers hundreds of free slots to play. The developer's portfolio of games is widely varied with plenty of themes and features on offer. In particular, Playtech has lots of movie-themed slots including an entire DC Comics collection.

Yggdrasil Gaming

Yggdrasil Gaming

Slightly newer, Yggdrasil Gaming has been around since 2013. This slots developer prides itself on using the latest software and technology. Top games from Yggdrasil include Nitro Circus, Winterberries, and many more.

What different slot themes exist?

When it comes to free or demo slots, there are hundreds of themes to choose from. Below are some of the most popular with players:

Slot game Summary
Adventure slots
Adventure-themed slots are about high-octane action and thrilling storytelling. These are plot-driven games that tend to follow a main character or hero.
Animal slots
Whether it's sea life or furry friends, animal-themed slots are always a fan favorite. Whatever your favorite animal, you'll be able to find a themed free slot to match.
Aztec slots
Inspired by the Aztec Empire, these slots are fun and historical. They come with a wide range of symbols inspired by artifacts.
Egyptian slots
Egypt has inspired dozens of slot games. These games are set in Ancient Egypt and are inspired by the people, the pharaohs, and the artifacts of the time.
Fruit slots
Fruit slots are classic Las Vegas-style games. These simple slots are easy to play and will feature at most online casinos.
Holiday slots
From Christmas and Thanksgiving to Halloween and Valentine's Day – you'll find a slot to fit the time of year.
Horror slots
Are you a horror fan at heart? These spooky slots are inspired by vampires, aliens, ghosts, zombies – you name it, there's a game for it.
Irish slots
Irish-themed slots have always been popular. These games play on the 'luck of the Irish' and feature animations of clovers, pots of gold, rainbows, and more.
Land-based slots
These slots are inspired by slot machines in real casinos. Most games that you find on a casino floor will have an online version to play, and most will have a free slot mode too.
Viking slots
Viking slots draw on the rich history of The Viking Age. These slots are hard-hitting and come with plenty of features and bonuses.

Progressive jackpot slots explained

Mobile Gambling

Jackpot slots have a prize that continues to grow with every spin. For every wager, a small percentage will be contributed towards the total jackpot. This grand prize will continue to grow until one lucky player wins it. Usually, the jackpot can be won at random or involves a unique bonus game to unlock it. 

Our free slot games let you test out progressive jackpot games with no charge whatsoever. This means you can practice the gameplay before you wager for real money. Popular progressive jackpot slots include Mega Moolah, Da Vinci Diamond, and Jackpot Giant

Branded slots explained

Branded slots are inspired by films, games, music, or general pop culture. Software developers look to acquire licenses to be able to do this and use real characters or references in the games. In our free slot games library, we have plenty of branded slots including:

  • Movie slots: Popular movie slots include The Terminator, Tomb Raider, and even Bridesmaids. If you have a favorite blockbuster, it's well worth searching our library for it.
  • Video game slots: Our free slots library includes nostalgic games like Resident Evil and Street Fighter II. Keep an eye out and you might find more video-game-inspired titles to spin the reels to.
  • TV slots: Are you more Britain's Got Talent or Game of Thrones? A fair amount of popular TV shows will come with their own unique slot game – check our free slots library to find yours!
  • Comic book slots: Play with your favorite superheroes in our comic book-themed free slots. Popular titles feature Superman and Aquaman to name a few!

The history of online slots

Looking to learn where online slots and free slots started? Below is a snapshot of how slots have evolved over the last few decades.

  • 1990s

    Online casinos first cropped up in the 1990s as computers and the internet became fully accessible. With them, came the very first online slots. The initial games created were made to match the machines found at top Las Vegas casinos. Casino.org launched in 1995 and has been monitoring the slots industry ever since.

  • 2000-2005

    During this time, multiple online casinos and software providers began to establish themselves. The mid-2000s was also around the time that mobile phones met the requirements to make online gaming possible. Double Magic was released in 2004 by Microgaming and was one of the first mobile-compatible games.

  • 2005-2010

    Iconic slots like Mega Moolah and Tomb Raider were developed in the late 2000s. And by 2009, the game Burning Desire was created – the first ever 249 ways to win online slot game. This period was a big boom for online slots!

  • 2010s

    Immersive slots like Gonzo's Quest started to pop up in the 2010s. Mobile gaming also expanded – providers like Microgaming, NetEnt, and Novomatic were all now creating mobile-friendly slots. Not to mention, cryptocurrency boomed and dedicated crypto slot games were created.

  • Present day

    In the present day, online slots are now commonplace with thousands of games on offer. Nobody knows what the future of online slots might hold – there's been lots of discussion in the industry around VR slots, but we're sure that's just the tip of the iceberg.

Playing free mobile slots

Almost all of our top rated free online slots are also suitable for mobile play, whether that be with iPhone, iPad or Android devices. Setting up on your mobile couldn't be simpler, as these games are developed with mobile users in mind. You can choose to download a free slots app, or if you prefer you can access a mobile casino in your browser and play as you would do on a desktop computer.

When should I start playing slots for real money?

If you're ready to make the leap from free games to real money slots, there are a few things you'll need to consider.

The first step in starting real money play is selecting your perfect casino online. The internet is awash with online casinos, but finding a trustworthy and reputable one can be harder than it seems. If you're not sure where to start, make sure you check out our list of recommended sites and casino reviews.

Often online casinos offer a generous bonus package, particularly if you're a new player. So, make sure you read up on the best offers available to you to make sure you take advantage of the most lucrative deals. Look out for no deposit bonuses, free spins and much more.

Make sure your chosen casino accepts a wide range of different banking methods for both deposits and withdrawals. All reputable casinos will accept credit or debit cards and various types of e-wallets. Some even take Bitcoin.

To make a deposit, you'll need your bank details (or the details of your chosen banking method) to hand. You'll also need to give the online casino personal information such as your name, address, date of birth and so on.

Look out for slots bonuses

When you're ready to play for real money, take advantage of bonuses to build your bankroll. Slots games have their own bonuses such as free spins and no deposit bonuses. With these, you can play free slots but win real money. Make sure to check the terms and conditions of all bonuses

Playing online slots responsibly

Playing slots online can be fun and thrilling. However, it's essential to be in control and safe when you gamble online. Though playing free demo slots poses less of a risk, it's important to know your limits if you do eventually play for real money. If you're concerned about your gameplay, you can head to our responsible gambling hub for more advice.

FAQs

Can I play free slots online?

Absolutely! There are so many amazing casinos online offering great free slot machines right now. In fact, the hardest part is choosing which game to play first. If you're new to online slots check out our recommended slot casinos to get started.

Where can I find the best free slots games?

Here at Casino.org we rate the best free slots games, and offer a selection of unbeatable free online slot machines for you to play right now - just take a look through our games list. Once you find one that takes your fancy, you could be up and running within minutes.

Can I get a bonus playing free slots?

Some games will offer a no-deposit bonus offering coins or credits, but remember, free slots are just for fun. So, whilst you may miss the thrill of a real money prize or big cash bonuses, you will however benefit from the fact that you can't lose real money either.

Are free slots playable on mobile?

Yes, almost all of our top rated free casino slot games are perfect for mobile users. Take a look at our recommended online casinos for a list of great mobile-friendly options.

Is it easy to switch to real money slots?

Of course! Getting started with free slots is simple, but once you're ready to make the leap to real money versions, you'll be able to do so very quickly. All you'll need to do is register for an online account and deposit funds via your chosen banking method, then you can start to play real money versions of your favorite online slot machines. It's as easy as that.

What are the best free online slots?

You can find the best free online slots here on this page. At Casino.org we’ve rated hundreds of free online slot machines and every month we update this page with the best free slots games in the market.

What is the best free online casino?

You can find the best free online casinos here at Casino.org. Have a look at our shortlist of recommended casinos at the top of this page to get started. You will find casinos with excellent bonuses, ongoing rewards and massive selection of games.

Hannah Cutajar

Hannah Cutajar

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Online casino expert

Semi professional athlete turned online casino enthusiast, Hannah Cutajar is no newcomer to the gaming industry. With over 5 years of experience, she now leads our team of casino experts at Casino.org and is considered the go-to gaming specialist across several markets including the USA, Canada and New Zealand. Her number one goal is to ensure players get the best experience online through world class content.