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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.

How to start playing free slots at Casino.org

1. 1
   Search or use our filters to find a free slot game.
2. 2
   Tap 'Play for Free' to open the game.
3. 3
   Check the paytable to find out each symbol's value.
4. 4
   Choose the amount you want to bet and how many pay lines you want to play.
5. 5
   Click or tap ‘spin’ to spin the reels and start playing.
6. 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.

1. 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. 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. 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. 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. 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.

1. 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. 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. 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. 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!

Progressive jackpot slots explained

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!

• 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.