Free Slots Online

Choose from the biggest number of free slots online!

free slotsIf you are here, there is no doubt that you are a fan of free online slot games. Welcome on board then! We are keen on free slots and happy to meet such a person too. Slots321 has gathered a variety of different slot games in one place for you to let your hair down each time you want to gamble. With us, you can forget about downloads, registration or money deposits as our slots are absolutely free. You can get pleasure from free games as much time as you wish, but if you want to feel a full range of emotions and win real money, turn to the casino section.

There are many casinos where you can play slots but, unfortunately, the biggest number of them require money deposits and no free experience. Most of the professional gamblers might not be interested in free games, but it is a necessity for beginners, undoubtedly. Our mission is to help new players learn gambling basics not only playing free slots but also providing them with information on how to win, show the difference between slots and offer other help required.

There are many websites offering free online slot games, but their list of games is always limited. We offer a full spectrum of slot games for you to choose among classic or the latest 3D and Full HD examples released in 2019! Our slot games work perfectly both on PC and mobile devices. No matter whether you use Windows or Mac OS, iOS or Android, any of them display our games perfectly.

 Stop hesitating and enjoy the world of utmost entertainment at Slots321!

Casino Slots Online

Every slot you can see on the website is absolutely free of charge. It is possible to try any slot at Slots321.com and get accustomed to the rules and features as playing for money you should be already armed with the necessary knowledge and determined to win in the real casino. It is difficult to doubt how useful this experience is! On your way become an advanced gambler you can learn all the basics of slot playing, define some casino words for yourself (determine the difference between different symbols and their combinations), find out the function of every button and arm on the slot machine to be confident in your actions and feel comfortable next to other players in the real casino.

Our website has a talented team of games experts who work hard to provide you with an opportunity to get online access to the games you prefer. They always expand our existing database of slots analyzing the information about them and offering only those examples that deserve your attention. The chances not to find a slot you love are minimal on our website, but even if such a situation happens, this problem can be solved very quickly. You can connect with our support team and tell us what slot you are willing to try. We will do our best to reach a game developer as fast as possible and ask for a demo version of the game you enjoy.

At the same time, it is natural that not every developer agrees to provide a free demo mode of the game. The reasons for that are different and one of the most apparent ones is the fact that there are slot machines that work only offline in the real casinos. There are no chances to get an online version even if you put very much effort. However, the number of such slots is one very low and soon, we hope, the problem will be solved as well. You should also remember that slot machines that offer progressive jackpots are not available for free games too.

No download slots

For our users to feel convenient, every slot they can see on our website can be accessed despite the web browser you use. Previously, there were gambling websites that required downloading of the necessary software on the PC to get an opportunity to play. Today, the only software you should install is a Flash player to get access to flash-based slots. Sometimes, there is even no need to set up the latter one as it is integrated into most of the modern browsers.

Modern developers of slot games prefer to use HTML5 technology for making their products. It is a guarantee of the flawless functionality no matter what browser you use as well as improved graphics with a wider range of visual effects. It is one more reason why free web slots work excellently without download.

Slots321 is a perfect destination to enjoy a variety of online games played in real casinos absolutely free. Using our website you get one more unmatched benefit – a great list of slot games with bonus rounds. It is a great training before you make your first steps in games with real money. Make everything clear to yourself playing free slot games, appreciate what prizes are there in bonus rounds and only then start your adventure in the world of money-based casinos.

Look through the hundreds of free slot games at Slots321 and dive this colorful world right now!

No registration slots

It is a common knowledge that none of the online casinos will offer you a pleasure of gambling unless you register on the website. How unfair it is to complete this long and tiresome process if you want to play a simple fun mode only! As a result, you will get no fun at all as soon as you see an abundance of promo emails and advertisements littering your mailbox. However, if you choose Slots321, you can forget about this nasty experience. The website does not require registration from our users, so you can start your game as soon as you enter the site. It is enough to select the one you like from the list and play it immediately. Any user details we get are stored securely on our website, why you should never worry about your personal information as we simply do not need it to allow you to gamble.

Slots321 offers you a free access to any slot without signup or registration. Forget about a necessity of creating accounts or filling out the spaces: if you want to stay incognito, on our website, it is possible and this confidentiality will be kept even if you use a shared device. One more good news for you is the absence of necessity to rack your brain what nickname to choose to sound serious. Don’t waste your time for useless thoughts: you had better spend it playing your favorite slot. With our website, the words “free” and “no registration” have restored their original sense again!

No deposit slots

Slots321 guarantee every player that you should boot pay a single dollar to be able to enjoy your favorite slots. We offer numerous no deposit slots that require no procession of real money or providing data of your credit card. Get fun of the gameplay without money and a necessity to share any information about yourself!

However, it is our task to warn you about some websites that do not lose a chance to acquire payment information illegally and cheat their users. You should not provide any payment details to any website! The only case you can do that is playing in the online casino with a valid license to proceed gambling activities.

Slots321 wants to provide every user with unforgettable playing experience, so the website team is in a constant search of new slots that will conquer your interest. They always provide only comprehensive information on the slots you play for you to learn only true facts about the games. You can notice that new slot games are added to the website on a daily basis and all that is absolutely free. Our goal is to allow you to be entertained every free minute you have and get a huge amount of positive emotions gambling. No matter whether you decided to re la at work in front of your PC, took a tablet when you commute home or a phone in the traffic jam, our website guarantees your exciting online slots anywhere you are.

Guide to online slot games

A professional gambler is a person who is not only a talented player but also an intelligent expert. It is important to extend your knowledge in the sphere of online casinos if you take playing seriously. Do you know how a slot machine is built? What are the types of slot games existing today? What features do slots possess? The answers to these questions are very significant if you start playing online slots and want to win. It is impossible to get a prize if you do not know the rules of the game, so our goal is to help you to achieve your main goal through being aware of the slot playing basics. You will be happy to learn what surprises there are in every slot feature and the peculiarities of every slot type.

Slots321 offers slots differentiated by type, technology, theme or feature. Each group of slots features a separate page with a detailed description and multiple examples of slots referred to this category. You can learn their unique features and what makes them outstanding as well as choose a slot you like.

Slot Machine Types

Many years have gone since the creation of the first slot to play online and within these years slots variety has increased significantly too. You can find each type of slots at Slots321, but to understand the main difference between slots you need to learn the features of every slot type.

Classic Slots are known as customary bar bandits featuring 3 reels, one arm, and fruit elements. The sense of the game has not changed for years and remains the one it was many years ago.Fruit Machines are characterized by the presence of symbols in the form of fruit, rewarding 7s, bells and bars on each of 3 reels.

Video Slots have appeared together with a tech progress that allowed playing slots online. The main feature that differs them from classic ones is additional video effects.

3D Slots are characterized by a better interactivity and elements of 3D graphics. You can visit a mini-event each time you win a prize.

Mobile Slots have been made responsive to function well on portable devices. The number of features in these slots does not differ much from ones played on the computer but all that is changed to fit a small screen.


There are several subtypes of slots too:

Penny slots is a slot with the lowest investment as you can bet no more than 1 cent per every line.

Progressive slots offer an opportunity to win a jackpot by accumulating fractions of every deposit.

243 Ways to Win counts wins by 243 outcomes in a random way across the screen, not in the traditional paylines.
1024 Ways to Win counts wins by 1024 outcomes in a random way across the screen, not in the traditional paylines.
3125 Ways to Win counts wins by 3125 outcomes in a random way across the screen, not in the traditional paylines.

Slot Features

Free Spins are ones that do not take money from the balance left, but the success of every spin brings about coins. There is hardly any better way to get huge wins than take advantage of the Fred spins!

Respins cost much but you can select a reel you want to respin. Consequently, you get one more chance to get a winning combination on a payline.

Wild Symbols are ones that change their color. Their main task is to serve as a symbol that is necessary for the creation of a winning line.

Sticky Wilds are symbols that do not change their initial position for several spins and they replace any symbol that is necessary for a creation of winning line.

Stacked Wilds are Wild Symbols that appear on the reel in a random way and can even cover it fully.

Expanding Wilds are some symbols that appear on one of the reels and can expand to take every position both over and under the reel.

Cascading Wilds feature the disappearance of some Wilds placed over each other. These wilds are replaced by other symbols and it can lead to winning combinations.

Random Wilds appear randomly in the game when you play a bonus round with free spins and turn reel into wilds.

Scatter Symbols were created for triggering bonuses. They come out on the reels in a random way and bring about sudden wins if there are two or more Scatters located on the reels. No winning pay lines are required here.

Gamble Feature allows a player to guess where a winning symbol is hidden: behind a red or black card.

Multipliers are capable of multiplying the coins you have won by several times – x2, x3, x5 and so on. They can last for several rounds and not benefit from max bet.

Bonus Rounds have been created for getting additional profits. Special symbols like Scatters activate these benefits.

Bonus game is one more way to get a winning combination and increase profit. Usually, you should guess anything or try any game invented by a developer.

Shifting Reels appear in all winning combinations on a payline and gives more Wilds to make paylines even more winning.

Click and Pick are given when you play Free Spins and Bonus Rounds, and a player can be awarded an immediate prize which must be found by clicking on images.

Jackpot is the highest number of coins possible to win from one slot or their network.

Progressive Jackpot is a huge amount of money accumulated progressively with a fraction of all players’ deposits and given to the player at a definite point.

Extra Symbols are symbols given additionally to achieve more winning combinations. They are divided into an extra base and extra special symbols.

Auto Play (Auto mode) function allows a player to start the game automatically without a necessity to press a ‘Spin’ button.

Nudge and Hold – “Nudge” offers an opportunity to rotate a reel until you get a winning combination, while “Hold” allows keeping one reel stable while other ones respin.

Slots Worldwide

It is natural that slots have different names all over the world. In the USA and Canada, they are known as slot or slot machines. In Great Britain, they are informally entitled as fruit machines. If you pls in Scotland, start your game on a puggy, while the Australians and New Zealanders call it a poker machine or pokie.

Many people call slot machines one-armed bandits as many years ago the main lever of their operation was located on one of the sides and most often, players were left without money by them.

If to analyze the size of casino markets in the world, the first place is undoubtedly taken by the USA. Other large gambling industries are located in the regions of Asia Pacific, Europe ( Scandinavian countries and the United Kingdom), Middle East and Africa. Gambling websites attract millions of people from different corners of the world on a daily basis, while such a popular casino destination as Las Vegas remains a top visited place by tourists. Let alone such highly ranked cities as Macau in China, Atlantic City (New Jersey), London (the UK), Singapore and Monte Carlo (Monaco).

Slots321 offers free slot games developed by globally renowned companies. British Microgaming company has created popular Atomic 8’s and Untamed Bengal Tiger slots. One more company from Great Britain Playtech developed Little Britain and the Iron Man slots. American Realtime Gaming can be proud of their Football Frenzy and High Fashion games. British IGT has released Wolf Run and Cleopatra Slots as well. Two more popular Sizzling Hot and Book of Ra slots were developed by European companies. NetEnt developer from Sweden can boast its incredibly popular slot called Gonzo’s Quest.

preloader