A Complete Guide to Free Slots

Nothing beats free slots for trying out fresh casino games, testing different game providers, and learning the ropes at new online casinos. Whether you are interested in free slots to play for fun or claiming free bonus money to play the best slots with a chance to win some real cash, this page contains everything you need to get you started. We explain different ways to gamble without a deposit, where to find the widest range of top free slots, and how to win some money while you’re at it.

Best Online Free Slots

Best Online Free Slots are Found at These Online Casinos


Top 3 Free Slots

Top 3 Online Casinos to Play Free Slots

We consider many aspects of online casinos with free slots before deciding where to play. The best sites offer a large selection of casino games and a diverse variety that let us test out different types of slot mechanics, payline structures, reel sets, themes, and bonus features. It’s also nice to have a few classic free slots to fall back on when we’re in the mood for old-school-type casino fun.

The bottom line is that SPCasinos.com has tested free slots at online casinos more than anyone else. If you’re looking for the ultimate experience, you can’t go wrong with our top 3 choices for the best online casinos to play free slots.

1. 21.com Casino

21.com Is one of those online casinos that make you feel at home right away. The site is easy on the eyes with a neutral colour scheme and game icons that pop out to showcase what you can expect from the games.

The casino doesn’t ask you to register before you can enjoy the slots for free and it is available in more than 250 countries. It boasts more than 1,000 premium games including fan favourites like:

  • Guardian of Athens – developed by Quickspin
  • Starburst – developed by NetEnt
  • Book of Dead – developed by Play’n GO
  • Bonanza – developed by Big Time Gaming
  • Black River Gold – developed by ELK Studios
  • Pixies vs Pirates – developed by Nolimit City

If you’re not sure what any of those games are, it’s high time you head over to 21.com and find out. When you land on the casino’s homepage you’ll immediately be presented with a swarm of free slots. All you have to do is choose a game and click on the ‘Play for fun’ button on the slot icon.

You can narrow down the free slot selection by clicking on themes such as:

  • Megaways
  • Feature Buy
  • Music
  • TV

What’s more, the casino lets you play a series of table games and video poker for free as well – a welcomed treat if you’re interested in testing out different types of games. If you do decide to stick around and register an account, the casino gives new players a huge deposit bonus of up to €1,000 plus 1,000 free spins.

2. Wildz Casino

The next best place to enjoy some free slots is at Wildz casino. The site is built for speed, is available in 8 different languages, and offers more than 1,300 casino games – most of which can be played absolutely free of charge.

To take advantage of the free slots at Wildz casino, simply click on the link to the casino to launch the site on any device. Then click on the ‘Slots’ icon and choose a game. The games launch immediately without asking you to sign up first.

At Wildz, you will be privy to a huge collection of free slots from the most globally recognised game providers including:

  • Red Tiger
  • Pragmatic Play
  • Stormcraft Studios
  • Skywind Group
  • iSoftBet

If you’re interested in playing for free and winning some real money in the process, Wildz is a better bet than most online casinos. Players from certain regions are given 20 no deposit spins or 20 casino bonus credits to start their casino journey without completing a deposit.

If you’re not residing in a country that is eligible for the no deposit offers, the casino still has a few tricks up its sleeve for you. Once you get a taste of the quality of Wildz casino, it will be difficult to not sign up and stick around. If you deposit a minimum of €10, you will receive a bonus of 100% up to €500 along with some free spins on the best slots available.

Wildz is well-known in casino circles for its lightning-fast platform and dynamic rewards system. Once you’re a registered player, you’re never too far from your next free slots promotion or free Spinback feature.

Registration at this fully licensed and regulated site takes less than one minute and gives you access to some of the fastest withdrawal times in the industry.

The casino adds 25 free spins to your account every day for eight days, starting on the day that you register. You can win real money with these spins, so it’s a great opportunity to play free slots with an incentive on the line.

  • Day 1: 25 free spins on Sweet Bonanza
  • Day 2: 25 free spins on Money Train 2
  • Day 3: 25 free spins on Eastern Emeralds
  • Day 4: 25 free spins on Razor Shark
  • Day 5: 25 free spins on Gonzo’s Quest Megaways
  • Day 6: 25 free spins on Midas Golden Touch
  • Day 7: 25 free spins on Deadwood
  • Day 8: 25 free spins on John Hunter and the Tomb of the Scarab Queen

3. Casumo Casino

We couldn’t leave Casumo off a list of best free slots casinos. Casumo casino lets you choose from thousands of games and free slots that you might have trouble tracking down at other online gambling sites. At Casumo, you can play the most renowned slots from providers like:

  • Blueprint Gaming
  • Microgaming
  • Push Gaming
  • Yggdrasil

The casino lets you play free slots without signing up. However, if you do sign up you can claim a 100% welcome bonus up to €300 plus 20 free spins on Book of Dead – arguably the most notorious slot of all time.

Registered players get points for playing real money slots. The points fill up a progress bar that dishes out free spins on the most popular slots offered at the casino. The best part is that you get to keep the winnings that you make while playing with the free spins.

Casumo is a multi-award winning online casino with one of the best apps for mobile users. The casino is licensed by the Malta Gaming Authority and processes withdrawal requests in the blink of an eye. If you’re on the lookout for a new online gambling home with amazing free slots, this is it.

Bonuses for Online Slots

Claim a Free Bonus and Enjoy the Best Slots

We have listed plenty of our favourite casinos to go to when we’re in the mood to try out some new games on the free slots. These casinos let you play the games in ‘demo’ or ‘fun’ mode. Some players might prefer the thrill of playing free slots for real money.

It may sound too good to be true, but trust us – it isn’t. Online casinos are famous for giving away bonuses that players can use to enjoy the slots for free. The great thing about taking up a bonus is that you can win real cash and withdraw it once you meet the wagering requirements.

Wagering requirements are conditions that have to be met before you can cash out money won while playing free slots with a bonus. The wagering requirement is typically stated as a specific number of times that you have to play a bonus through the casino.

If a bonus of €10 has a wagering requirement of 30x, it means that you have to play the €10 bonus through the casino 30 times before you can withdraw your winnings. That means you have to place bets to the value of €300 (10 x 30). Meeting this condition isn’t that difficult when you are on a good run. If you don’t meet the wagering requirement, you haven’t lost anything since the money was free in the first place.

Online casinos have become very creative with the types of bonuses they offer. They use their bonus offerings to differentiate themselves from the competition and appeal to new players. As a new player, you can benefit from two main types of welcome bonuses that will let you play free slots. We’ll cover them both below.

No Deposit Bonus

A no deposit bonus is free credits that the casino adds to your balance without requiring a deposit from you. If you are a new player, all you have to do is sign up for an account to get the bonus added to your casino balance. Once you’ve signed up, you can head on over to the slots area and enjoy real money slots for free.

Follow these steps to claim a bonus and play free slots with real money incentives:

  1. Review the bonus offers on this page.
  2. Click on the link for a bonus that appeals to you.
  3. Sign up for an account by providing basic details like your name, email address, and mobile phone number.
  4. The bonus should be added automatically. If it isn’t added immediately, claim the offer by clicking on the button once you are logged into your account. The claim button is different at various casinos but it will be obvious once you are logged into your account.
  5. Click on a game icon to start playing the free slots with a chance to win real money.

Online casinos usually let you play any of the slots with a bonus, but there may be restrictions on the bet size you’re allowed to play. We recommend giving the terms of the bonus a quick read to make sure you play within the limits of the bonus.

Another thing to look out for is time restraints on the bonus. Online casinos commonly give a specific timeframe in which you need to use the bonus or meet the wagering requirements if you want to withdraw your winnings. They may specify that the bonus must be used within a day, or several days, weeks, or months. It’s best to know what the time limitations are to prevent losing the bonus before you get the opportunity to use it on the free slots.

No Deposit Free Spins

No deposit free spins are essentially the same as no deposit bonuses. They come with the same limitations and time restraints that you need to be aware of before you start playing. Online casinos give away no deposit free spins without asking you to deposit any money.

Free spins have two distinct benefits over no deposit bonuses:

  1. You don’t have to watch your bet size since the casino adds free spins at a given bet size. All you have to do is push the spin button and hope to land winning combinations.
  2. You can spend less time trying to find good free slots to play since the spins are usually added to a specific game that is being promoted by the casino. These games are typically the latest game releases by top gaming providers.

When free spins are added to your account, the wagering requirement works a bit differently. You won’t be able to determine the wagering requirement upfront because the requirement is attached to the total value of the winnings you make while you are playing the free spins.

If a casino has a wagering requirement of 20x the free spins, it means that you will have to play your winnings through 20 times before your winnings will be released. If you manage to rack up €20 while playing free slots, you need to place bets to the value of €400 (20 x 20) before you can withdraw your free cash.

Casoo casino bonus offers

Other Types of Bonuses for Free Slots

No deposit bonuses and free spins aren’t the only ways to enjoy free slots. Online casinos give depositing players many different types of bonuses that let them play free slots. This increases your playtime at the casino, lets you try new games, and enhances your winning potential.

Popular types of bonuses include:

Many players prefer to play free slots using bonuses that they’ve received by depositing at the casino.


Bonuses that are added to your casino balance after you have made a successful deposit will typically incur lower wagering requirements than bonuses and free spins that don’t require a deposit. This means that it’s easier to turn your casino winnings into withdrawable cash, but you’re still taking advantage of the benefits of bonuses:

  • Play free slots and try new games
  • Prolong your playtime
  • A bigger bankroll increases your chances of winning

It’s worth taking up deposit bonus offers to play free slots, especially if you’ve found a casino that you’re happy with and can see yourself playing at for a long time. A great way to find your perfect online casino match is by taking advantage of the free slots, free spins, and no deposit bonus offers suggested on SPCasinos.com.

Free Slots Games Variety

Free Slots Games Variety

Free slots versions can be found for just about every type of slot on the market. This includes free classic slots, video slots, and 3D free slots. Even if you’re playing in demo mode, you should still pay attention to the bet size. Playing free slots with the same bet sizes that you would stake if you were playing with real money can help you determine if a game plays the way you like it.

Luckily, free slots can be played with bet sizes ranging from €0.05 to €500, and every bet size in between. Free slots also come in a variety of volatilities that coincide with the game’s volatility if you were playing for real money:

  • Low volatility
  • Medium volatility
  • High volatility
  • Adjusted volatility

The volatility of a casino game is an estimate of how often it pays out and the size of the payouts. A game with high volatility awards winning combinations less often but when it does, the prize money is typically substantial. On the other hand, games with low volatility pay out smaller wins more frequently. Volatility is also referred to as variance.

Pay special attention if you’re playing free slots with adjustable volatility before you decide to play for real money. Online casinos can set the volatility of these slots to suit their preferences.

Free Slots Themes and Mechanics

Popular Free Slots Themes and Mechanics

Gone are the days where slots were created with three reels and one payline. You can still find plenty of these classic free slots at online casinos and many of them are popular. But today we have many more options available.

You can find games with 5 reels, 6 reels, 7 reels, and so on. You can even play free slots with expanding reels or infinity reels where extra reels are added to the game during bonus rounds or in-game features.

You’ll also find a huge variety of payout structures, as opposed to the single-line payline slots of days gone by. Examples of popular payout mechanics that players really enjoy right now are:

  • Pay both ways
  • Megaways
  • Cascading symbols
  • Cluster pays
  • Megaclusters
  • Megaquads

With so many options to choose from, it might be better to narrow down your free slots search by focusing on a specific theme that you enjoy. There are hundreds of themes to choose from such as Anime, Beach, Vampires, Sports, Festival, Christmas, Halloween, Jungle, Magic, UFO, Animals, and the Wild West.

Here are a few game recommendations in popular theme categories that you should definitely check out. You can test out the free slots or use a free bonus to start playing any of these:

  • Adventure: John Hunter and the Book of Tut, Gonzo’s Quest, Temple Tumble Megaways, and Tomb Raider.
  • Ancient World: Book of Dead, Ramses Book, Midas Golden touch, and Legacy of Egypt.
  • Vikings: Wild Hammer Megaways, Warrior Graveyard, Power of Thor Megaways, Book of Vikings, Vikings Go Berzerk, and Barbarian Fury.
  • Gemstones: Bonanza Megaways, Starburst, Crystals Digger, Super Lion, Wild Drops, and Mega Diamonds.
  • Outer Space: Reactoonz, Space Wars, 88 Frenzy Fortune, Asgard Deluxe, and Martian Miner Infinity Reels.

Free Slots Categories

Free Slots Megaways

The Magic of Megaways Free Slots

Now that you know more about themes and mechanics, it’s time to speak exclusively about the Megaways mechanic. The first Megaways casino slot was created by Big Time Gaming and released in 2016. The payout structure was so overwhelmingly well received that it pretty much spawned a new genre of casino slots.

A Megaways slot doesn’t offer 3 paylines, or 5 paylines, or even 50 paylines. It offers over 100,000 paylines. It can do this because a Megaways slot runs on a Megaways engine that supports random reel modifiers.

Basically, every spin on a Megaways slot can deliver a unique number of symbols. The number of symbols produced on the screen on one spin will differ from the number of symbols on the screen on the next spin.

Since the number symbols are constantly changing, the number of paylines on each spin are also constantly changing. In other words, the paylines are dynamic. If you haven’t experienced the thrill of a Megaways slot yet, take advantage of free slots and give these games a test run.

Here is our selection of the best Megaways free slots developed by world-class game providers:

  • Red Tiger Gaming: Gonzo’s Quest Megaways, Piggy Riches Megaways, and Pirates Plenty Megaways.
  • Pragmatic Play: Great Rhino Megaways, The Dog House Megaways, and Madame Destiny Megaways.
  • NetEnt: Fruit Shop Megaways, Divine Fortune Megaways, and Twin Spin Megaways.
  • Big Time Gaming: Bonanza Megaways, Spicy Meatballs Megaways, and Extra Chilli Megaways.
  • iSoftBet: Wild Hammer Megaways, Moriarty Megaways, and Aztec Gold Megaways.

Try New Free Slots

New Free Slots that Should Not Be Missed

Dozens of top slots are released every month. Most of them are good, but there are always a few that steal the limelight. We’ll give you a rundown of the latest releases that are guaranteed to give you a good time, whether you’re playing the free slots version or playing with free spins or bonus money.

  • Diamonds of the Realm created by Play’n GO

This high volatility game offers 20 paylines and has a maximum win potential of 20,000 times the bet. Trust us when we say that wins that big are every bit as entertaining when you’re playing free slots. The game focuses on the King Arthur saga, which places it in the Ancient World (or Fantasy) theme. You’ll be constantly entertained by the multitude of features this slot offers such as free spins, multipliers, scatter symbols, and bonus rounds.

  • Reef Raider created by NetEnt

This is a medium volatility game that plays out over 7 reels with 7 rows, offers a maximum win potential of 8,500 times the bet, and features the cluster pays mechanic. If you love gems, then this is a game that will keep you on the edge of your seat. Cascading reels keep the wins constant because new symbols are added to the reels whenever you land a winning cluster pay combination. Other features you’ll enjoy in this game are the symbol swaps, symbol collection, and mystery symbols.

  • Fruit Party 2 created by Pragmatic Play

Pragmatic Play is one of the best free slots providers in the business. Fruit Party 2 is an excellent match for players that enjoy the Classic Slots theme. The symbols include stars and fruits. The slot strays from the classic reel set by offering 7 reels, 7 rows, and cluster pays. It also incorporates cascading wins, free spins, multipliers, and sticky wilds.

  • Jammin Jars 2 created by Push Gaming

Another cluster pays slots that players are raving about right now is Jammin Jars 2. This colourful slot seems to boost everyone’s mood. It offers 8 reels, 8 rows, and a maximum win potential of 50,000x the bet. The features are endless. They include sticky wilds, multipliers, moving wilds, level up, hold and spin, and lock it in. It’s a great free slot to play to learn about different features since it incorporates so many of them. It’s a crossover between casino slots and classic arcade games. Give it a go and see what you think.

  • Primate King created by Red Tiger Gaming

Red Tiger is one of those standout providers that can’t seem to put a foot wrong. The game studio’s recent releases consistently rank in the top charts on a global scale. Primate King follows the adventures of a gorilla. Think, “Planet of the Apes,” and you’ll get a good idea of what this slot has in store. The theme is scattered with human skulls and treasure chests located in a jungle setting. Primate King has high volatility, 5 reels, 4 rows, 30 paylines, and plenty of bonus features.

Free Online Slots

Start Playing Free Slots Here

Ready to Start Your Free Slots Adventure

Go through our toplist and choose a bonus to enjoy some free slot action. This is the best way to play free slots with the prospect of winning real money. Online casinos, like Casumo casino, let you play the slots for free at any time, so you can test the games before you use your bonus money or casino credits.

You can’t go wrong with any of the free slots, free bonuses, or free spins offers that we’ve recommended on this page. If you’re new to the world of online slots, free gaming is the best way to discover the different types of slots and the features they offer.

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Aleksandra Nolan

Experienced online casino writer and reviewer who loves to share her knowledge and experience with others. She enjoys analyzing the latest trends in the industry and offering valuable tips to help others by having the most from betting at online casinos. She is constantly looking for new and interesting topics to write about and stays up-to-date on the latest changes in the online gambling industry.