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Deep in the jungles of a long-forgotten land, lies an ancient Temple not stumbled across for thousands of years. A place so shrouded in mystery that many doubt its existence, but you, our intrepid online explorer, can be in no doubt, you have discovered the Slots Temple - the World's best Free Casino!
The World's best selection of Demo Slots and free online slots! Slots Temple is dedicated to giving Slots players from around the World the best Free Slots Games experience anywhere online. You can also play the best new slots games, with fresh content added daily!
Free Slots - No Strings Attached
We are free, with no registration or download needed. We simply have free slots games available in flash for desktop PCs/Macs/laptops and HTML5 versions of the games for those of you that like to play on the go on your mobiles.
Before you play any online slot for real money, you should always give demo play a go first.
Huge Selection of Free Slots - No Deposit
We have over 9,000 demo games at Slots Temple to "try before you buy" - providing you with the opportunity to give just about every online slot a spin with play money.
This way you can discover whether or not you enjoy the gameplay, theme and bet range before you make a real financial commitment.
Get In Touch
If you are a player who has enjoyed a particular Slot that is not available on Slots Temple, please let us know and we will try to source the game and put it live on-site as a new slot - and let you know which casino site will have it available.
If you are a game developer and you'd like to list your games on site, please get in touch with us via our contact page and we'll add your demo games to Slots Temple.
Always Play Responsibly
Playing slots should be a fun past-time, a form of entertainment, however, you should be aware that gambling can be addictive and you should make sure you stay in control and make use of responsible gambling tools that are available on operator websites. For more information about safer gambling, please read our responsible gambling page.
Guide to Start Playing Free Slots Games at Slots Temple
Here's a very quick guide to get you to play free slots for free on our site:
- Navigate to the Free Slots page, where you'll find the best online slot games listed first.
- If you have a game in mind, use the search function to enter the slot name and search.
- If you want to look at multiple games grouped by maker or theme, use the filter function.
- If you'd like to see the latest releases click the 'New to Old' Sort function and choose from our newest games.
- When you find the slot you'd like to play, click on the tile to visit the game page where you can read a review, view game info and, of course, play free online slots!
It's that simple - enjoy our free online slots casino!
History of Slots
Today, the world of online slots appears to be evolving at an unprecedented rate. We’re seeing developers releasing a plethora of new mechanics and game engines (think Big Time Gaming’s Megaways), and some game developers have even experimented with virtual reality slots.
However, while playing video slots online may seem like a natural part of today’s online gambling world, it’s been quite a journey to reach where we are today, and in this post, we’re going to be taking a look at the history of slots - starting, from the very beginning.
The Early Beginnings Of Slots
Slot machines can actually be traced as far back as 1891 - and this is when most experts agree the first “slot machine” was released (although it’s worth pointing most gamblers would struggle to recognize it in today’s day and age!)
The machine was released by a company called Sittman and Pitt, and the slot used actual playing cards and 5 mechanical drums to operate. It cost a nickel to play, and soon became popular in bars and clubs throughout America.
The Liberty Bell
A few years later, in 1985, an entrepreneur called Charles Augustus Fey decided that there was much more potential with slot machines - and he set out to build a machine that could automatically deliver payouts to players.
He developed a slot called the Liberty Bell - and he automated the payout process, while also removing the physical playing cards, choosing, instead, to use symbols. He decided upon Bells, Cherries… and other common fruits that many of us correlate with slot machines today.
The Liberty Bell machine proved immensely popular - and it was soon copied by other developers, spreading all around the United States.
The Birth Of Electromechanical Slot Machines
The slot world really started to change in 1964 when a company called Bally (a developer who is still in business today) released the first electromechanical slot machine, called Money Honey.
This was the first game in history to do away with physical parts and components, instead, relying on video graphics to display the results of a spin. The game was - essentially - displayed on a small screen, and players simply pulled a lever to play.
Video Slots in Las Vegas
A decade or so later proved another pivotal moment in the creation of slots when a company called Fortune Coin - based in California - took a 19-inch Sony TV and used it to display the slot’s graphics. This move proved immensely popular, and before long, casinos throughout Las Vegas were offering their players the chance to play it.
It was soon approved by the Nevada Gaming Commission, and just a few years later Fortune Coin was acquired by IGT - one of the leading iGaming developers around today.
From there, slots continued to evolve, with technological advancements allowing developers to add new, exciting features into their games. The addition of bonus rounds (including free-spins and "pick me bonus" features) soon made an appearance.
The Introduction of Progressive Jackpots
Progressive jackpots in video slots soon became popular, allowing punters on casino floors the chance to win life-changing amounts of money, from a spin costing just a few cents.
Many casinos on the Las Vegas strip offered multi-million-dollar jackpots, and it was these jackpots that contributed towards a massive increase of popularity with slots - and it’s a mechanism that we still see used today, online. Of course, when the Internet boom hit the world, it wasn’t long before slots found themselves online, too.
The Emergence of Video Slots
Once it became clear that the Internet was going to change the face of the world - for good - slot game developers started taking notice. A number of new, modern slot providers started appearing towards the end of the 1990’s and the early 2000’s, including Microgaming - and they started building slot machines that were completely virtual.
Groundbreaking Online Slots
As online casinos started to become more popular, the quality of these games started to increase, and major industry pioneers like NetEnt started to develop high-quality, HD video slots that players could play online.
Top Game Makers
Since the late 2000’s/early 2010’s, hundreds of online slot machines developers have appeared, each determined to get their slice of the pie of this billion-dollar industry.
While many games are still based around the conventional 5-reel, 3-row format, with a free-spins bonus, some developers have been working to push the boundaries - and Big Time Gaming are a notable name, pioneering the face of the iGaming world with their Megaways mechanic.
The Future Of Slot Machines
Already, we’re seeing game developers pushing the boundaries of casino games - and whether it’s with social gaming, 3D slots or virtual reality games, it’s clear that game developers are keen to innovate and continue pushing new ideas and concepts in their new video slots.
Moving forward, it’s likely virtual reality slots will be the next “big thing” - although we’re still a way away, as the whole VR craze hasn’t caught on as pioneers had hoped. However, as technology improves (and hardware reduces in price) this is likely to change, so stay tuned!
How to Play Slot Demos at Our Free Casino
Most online slot demos are just free online slots versions of the actual real-money game. You'll be provided with a balance of about 5000 coins or more, and you can play free games to your heart's content.
There are some games, however, that are actual developer demos – such as the free-play slots from Blueprint Gaming. These slot demos let you pick which feature you'd like to try out from a drop-down menu in the top left-hand corner. This way, you can get straight to the point without having to spend too much time waiting for the bonus round to be triggered organically.
After you've played your chosen game for free here, you can check out real-money sites - and we recommend those that offer free spins no deposit bonus offers.
Slots Online – Budgeting
When playing demo play slots and no deposit casino games, there are some tips you should keep in mind to benefit your long term gaming goals:
- Always bet at a similar level to how you would wager using real money
- Set a budget and stick to it when you play free online slots. If you would normally play with £20, then play with the corresponding amount in demo funds - you'll get a feel for how far your money will go.
- Use the loss limit function available in the autoplay menu. Also consider setting a win amount to stop at in the autoplay menu or for yourself, this will help you walk away with a win rather than playing it back.
What to Remember When Playing Slots
At Slots Temple, our team of gaming experts advise that you always play between 150 and 200 rounds of a slot demo before you decide whether or not you'll spend real money on it. This allows you to get a feel for the game. When playing, you should take note of:
Graphics and Theme
If you aren't engaged from the outset, then the game probably isn't worth spending real money on. There are dozens of different slots themes out there, and developers are always great games in unique new art styles - so, don't settle for a game that doesn't appeal to you aesthetically.
The bet sizes that are offered in online slots games vary. This should always be a specific consideration when playing demo slots. If you're a penny slots player, and the minimum wager of a game is 1, then it's probably not the right title for you.
Slot reviews will provide you with information about RTPs and volatility, but you won't know how a game pays until you give it a spin. It's always a good idea to keep track of how often you win and how big the wins are when you're playing a demo slots game. Of course, the experience is randomised, but it's essential to know whether or not a game will pay out often enough to keep you interested.
You can play slots games for what can seem like an eternity before you land bonus rounds - and, it's best to discover if this is the case while playing a demo slot rather than a real-money slot.
Always pay attention to how long it takes for you to land a bonus when you play free online slots, and if you're okay with that amount of time.
Free Mobile Slots
Despite being an Ancient Temple, we've had to move with the times, and that means Free Mobile Slots!
The demand from players to play free slots on mobile is now even higher than the desire to play on a more traditional laptop, PC or Mac, so that's why every Free Slot we have at Slots Temple is available as a mobile game, so you can enjoy free demo slots with no download required.
Android online free slots and no deposit casino games are now widely available; you don't even have to download an app to play them. Here at Slots Temple, if you are online, you are able to play free online slots on Android devices. All our games are available on both desktop and Android, so if you have an Android device, you are in luck!
With iOS mobile operating system becoming the behemoth it has done in recent years, it was inevitable that there would be a whole industry created around free online slots games for iPhone Slots.
In the early days, it was all about iOS store Free Slots apps, and while these are still available, it is much more common to play iPhone Free slots direct from a site like this one. Every game we have on-site is possible to play on the iPhone, so take your pick and get spinning!
Types Of Slots
We have every kind of free slot available on the market at Slots Temple, including:
We have a lot! No matter what type of bonus you can think of, you'll be able to find them on our site. You can either search by Maker, Themes, or Features – so whatever takes your fancy – you can easily browse our collection of thousands of slots to find the perfect game for you!
Playing Demo Slots to Try Bonus Features
When you want to play free slots with no deposit online, you'll encounter games that offer up plenty of different bonus features. If you're unfamiliar with any slot's specific bonuses, you should give the demo version of the game a spin to find out exactly how those features work and if they appeal to your gaming tastes.
Progressive Jackpot Slots
At Slots Temple, we let you play with a whole range of no wagering slots with progressive jackpots for free, so you can test them out, see if you enjoy them and see how they perform before you invest your hard-earned cash into playing for real.
We have all the most significant online jackpot slots on-site, including top games like Mega Moolah, Mega Fortune, Jackpot Giant and many more.
If you're not familiar with how progressive slots work, here's a quick rundown:
- Each jackpot seeds at a particular amount. Whether it is £1000 or £1 million, each progressive jackpot prize starts with a specific pool of money.
- Every time a player wagers on the game, a small portion contributes to the jackpot pool. This is why they climb by the minute.
- Once the jackpot is won, the game resets to its seed amount. Then, the process starts all over again.
Slots that started life on Casino floors around the World have long been making their way into our homes via online Slots Makers such as IGT, WMS and Aristocrat, but now the trickle has become a tide of games.
Fun Vegas-Style Slots
This is great news for us Free Slots players at Slots Temple – great quality Vegas-style entertainment available for free in our homes! We some of the best brick-and-mortar games like Cleopatra, She's a Rich Girl, Wizard of Oz and Titanic slot online.
Discover the secrets of the Ancient Mayan civilisation with online slots like Gonzo's Quest and Aztec Warrior Princess.
Travel back in time to when pharaohs ruled over Egypt. Explore the pyramids and take a trip to the Sphinx in titles like Cleopatra and Queen of the Nile.
There are slots to help you celebrate just about any holiday, like New Years, Christmas and Easter. Enjoy your days off while spinning the reels on slots like Nice List and A Christmas Carol.
Fairy Tale Slots
Relive childhood fantasies by playing slots based on popular fairy tales like Frog Princess and Pixies of the Forest.
Slots set in China and Japan continue to be very popular at both land-based venues and online casinos. You'll be able to explore both of these beautiful cultures in games like Bushido Code and Choy Sun Doa.
Some of the most popular board games have been reinvented as slots. You can play games like Monopoly Megaways and Battleship Direct Hit for the chance to win big.
Nature and Wildlife Slots
Take a stroll through the woods without ever having to leave the comfort of your own home. Slots like Wolf Run and Seasons do a fantastic job of depicting wildlife in their natural habitat.
3, 2, 1 – blast off! Soar through space, explore planets and meet alien life in out-of-this-world slots like Space Invaders and Stars Awakening.
Vibrant graphics and Mariachi music are common characteristics of Mexican themed slots. You'll feel just like you're celebrating at a fiesta on games like Spinata Grande and Paco & The Popping Peppers.
If you prefer simpler games that more closely resemble the traditional kind of fruit machines that you would find in pubs and Vegas-style casinos, then games like Double Diamond and Mystery Joker are the ideal slots for you.
Feeling a bit peckish? Then, you're in luck. There are plenty of delicious-looking slots to satisfy your appetites, such as Mamma Mia and Win Sum Dim Sum.
Horror and Halloween Slots
You don't have to wait for Halloween for a good scare. There are plenty of fun online slots with horror themes based on zombies, vampires and ghosts. If you fancy a bit of a fright, then try out Immortal Romance and Blood Queen.
Go deep-sea diving for big wins. You'll find plenty of slots that are set under the sea, such as as Captain Nemo and Lucky Angler.
The Internet's favourite creatures tend to be featured in a massive range of slots online. You'll encounter cute and cuddle cats in games like Kitty Glitter and Not Enough Kittens.
You can explore the African Sahara while spinning the reels on games like Diamond Chief and Silver Lion.
Got a sweet tooth? You're sure to love spinning the reels on bright and vibrant games like SugarPop and Candyland.
Diamonds and Gems
Enjoy a sparkling online gaming experience with dazzling slots like Da Vinci Diamonds and Lightning Gems.
Your favourite pop culture icons are now being featured in slot games across the web. Television shows, movies, musicians and video games are all featured in a massive range of slots. At Slots Temple, you'll find hundreds of games based on:
- Musicians and Bands: These slots usually feature killer soundtracks and put your favourite bands and pop stars centre stage as you spin the reels. Check out some of the best and most entertaining slots with this theme like Guns and Roses for a musical online gaming experience.
- Movies: Blockbuster films are trendy among online slots developers and you'll see many new slot games based on popular movies. Enjoy a cinematic gaming experience with slots like Jurassic World, Halloween and Aliens.
- Video Games: Play your favourite video games in a brand new way as you spin the reels for generous prizes. Popular free slots based on gaming characters are Tomb Raider and Hitman. There are also some great slots that feature a general gaming theme like Mega Boy and Arcader.
- Comic Books: Your favourite heroes save the day in thrilling slots like Batman and Fantastic Four.
- Television Shows: Tune into fantastic slots like Family Guy and Highlander to enjoy your favourite television shows uniquely.
Browse Slots by Features
If you know what you like when it comes to gameplay, you can browse our slots selection by feature. Here are some of the bonus features that you'll be able to peruse to find the ideal slot for you:
- Volatility: This term refers to how often a game pays out and how large you can expect those prizes to be. Low volatility games pay out smaller prizes more frequently while high volatility slots award more generous prizes less often.
- Free Spins: When you trigger a free spins bonus, you don't have to wager on your spins. You get to play a number of rounds for free with all prizes allocated to your balance.
- Bonus Games: some online slots have an off-screen bonus that consists of either a prize wheel or a pick-me round.
- High Payout Slots: want to know which games have the highest RTPs? You can browse the slots with the largest payout percentages here.
- Megaways: patented by Big Time Gaming, Megaways slots are a new phenomenon that provides players with tens of thousands of winning ways whenever they spin the reels and come with features like free spin bonus rounds and increasing multipliers. The Megaways mechanic is one of the best innovations to be launched in the gaming market recently.
- Gamble: this feature is becoming increasingly rare, but you can find it in a fair few slots. The Gamble function allows you to take part in a game of High-Lo to potentially double your win both in the base game and bonus rounds.
- Nudges: in slots that have nudges, you have the ability to push certain symbols into place, such as stacked wilds or winning symbols.
- Clusters: this is a relatively new type of feature that creates wins by allowing you to create gains by landing matching symbols in groups rather than appearing on the same payline for more frequent payouts.
- Infinity Reels: this is Reel Play's answer to Megaways, it's open for all slot developers to use to create content and it has a unique system of adding a reel each time you win, keep on winning and reels will keep on adding.
New Slots Online
Free Slots Makers are always releasing new games, the fact we have over 10,00 games on site does not mean we can stop there.
We continuously add new content to Slots Temple specifically for a Worldwide audience to ensure that we have the very latest and best Slots available for you to play. You can not only give them a spin for free but also find out where you can play them for real money and possibly win big!
As of September 2022, our favourite new slots on the market are:
- Coba: ELK's Coba slot introduces yet another innovative new feature. Snakes make their way across the reels, transforming symbols as they go to help you trigger amazing wins. There's no free spins bonus, but it does have impressive winning potential with a top prize of 25,000x.
- Big Bass Splash: As the latest instalment in Pragmatic Play's Big Bass series, Big Bass Splash brings players more of the classic fishing gameplay they have enjoy for the past few years. The game offers up a top prize of 5,000x and has a very generous RTP of 96.71%.
- Banana Town: In this fun, pixel-art-style slot, Relax Gaming brings players an exciting scatter payout format with winning combinations that lead to increasing multipliers. Banana Town is definitely one of our favourite new slots games.
- Big Bamboo: Fans of Razor Shark are sure to love giving the reels of Big Bamboo a spin. With mystery stack symbols and several great bonus rounds, Big Bamboo has been a big hit among new slots.
The Rave: It's 90s nostalgia at its best in Nolimit City's The Rave slot. It comes with two free spins round, an lots of great Nolimit City staples like xSplit and xWays.
Top 10 Most Popular Free Slots at Slots Temple
List of the most popular Slots on Slots Temple in the first half of 2022 (based on the number of page views).
The best and most popular Slot from new industry darlings Push Gaming. This game has grown organically since it's release in 2018 and it's easy to see why... The top prize of x20,000, high RTP of 96.8% and 8x8 cluster grid all combine to make for entertaining gameplay.
There are some brilliant videos out there of streamers playing this game which has added to its legend - a must play!
What can you say about this all-time classic from IGT? In many ways it set the template for the modern online slot - Free Spins bonus round with multiplier and the ability to re-trigger within the bonus.
It may be simple when compared to more recent releases but this 20-line, 95.70% RTP slot from 2012 is up there with the best of them in terms of gameplay.
Vikings Unleashed Megaways
Perhaps not a big-name slot like some of the others in this list but this Blueprint game has proved popular with Slots Temple Users since it's release in 2018. A great example of a high-volatility, cascading, Megaways game. Solid RTP of 96.5%, great sound effects and one of the best Free Spins Multiplier Bonus Rounds.
Another game that has stood the test of time in the ever-changing world of online slots, released in 2014 this Reel Play / Blueprint game is a simple 10-line game with a Free Spins bonus feature... What's all the fuss about?
Excellent gameplay, Fisherman Wilds in Free Spins, x5,000 top win and a decent payout of 96.12%. The game is so popular that Blueprint even decided to create a new sequel, Fishin Frenzy Megaways.
Another Push Gaming entry in the top 10 - this 5x5, 50 payline slot is high volatility and has a decent top win of x1,000. Payout ratio stands at 96.45%, which is decent, but what makes this game is the free spins bonus with expanding wilds - it's great fun watch the rabbit munch carrots, getting fatter and fatter, in the bonus round.
Eye of Horus
The other smash hit (that isn't Fishin' Frenzy) from Reel Time / Blueprint. With very simple gameplay and classic Vegas-style graphics, 10 paylines, Medium Volatility, 96.31% payout - so far so normal... It the spreading wilds, Scatters and Free Spins bonus that makes this game exceptional... In a very crowded field Eye of Horus is a standout Egyptian-themed slot.
Bonanza was the first game of Big Time Gaming's that we thought, 'these guys are destined for big things!'... An early Megaways game and in our mind still one of the very best, released in 2016, it's high volatility and multiplier free spins bonus have meant that this game has been a staple in our playing roster for a number of years!
Book of Dead
Play'n GO's Rich Wilde series did not start with a bang, the first couple of games did not create major waves, it was only the 2016 release of Book of Dead that really caught fire. It's available everywhere and its high variance x5,000 top win on offer with a great free spins bonus have been a big hit with players.
Hey you guys! Pick-a-prize bonus rounds, Free Spins and a classic 1980s theme. What's not to like? This Blueprint slot was released in 2018, proved an instant hit with our visitors and became one of the best slots on the market. 20 paylines, RTP of 96% and a load of fun.
Da Vinci Diamonds
This sits alongside Cleopatra as one of lGT's stone-cold classics in the online slots market. Released all the way back in 2012, this 20-line, 94.93% payout game has kept slots fans entertained for years.
Play Slots From the Best Software Providers
At Slots Temple, you'll find a vast range of free slots from the best developers on the web. They are committed to providing players with innovative and exciting online slots experiences that offer them the chance to earn fantastic cash prizes and experience fun bonus rounds. Read below to find out more about the tremendous software developers that provide software for our free slots:
Ainsworth has been around in the gambling market since 1995 and has created some of the most popular games at land-based and online casinos. The company specialises in more classic-style games.
4ThePlayer is an online slots developer that is new to the market, which develops innovative games that are designed with players needs at heart. It's games include 9K Yeti and 1 Left Alive.
Big Time Gaming
Big Time Gaming originated the Megaways mechanic which provides players with tens of thousands of winning ways. The company is also well-known for its music-themed slots like Danger High Voltage and The Final Countdown.
As the second-biggest producer of Megaways slots games, Blueprint Gaming has undoubtedly made a name for itself in the online slots market. The company has also produced some fantastic branded games like The Goonies and Mars Attacks.
ELK is a newer online slots developer that made its debut in 2012. The company is known for its innovative gameplay features, as well as built-in betting strategies that help players maximise their winning potential.
IGT is yet another land-based games developer that has ventured into the online gaming realm. The company's games are well-known for their impressive graphics and interesting bonus features.
iSoftBet is well-known in the online casino market for creating some of the most popular slots games around. You'll find plenty of branded slots from this developer, based on popular movies and TV shows.
Microgaming is one of the best-known game developers in today's market. The company offers players some of the most action-packed bonus features, as well as one of the biggest progressive jackpot networks in the online casino world.
NetEnt continues to make a name for itself in the online gaming market, creating innovative slots that all players can enjoy. You'll find top-quality games with impressive graphics, as NetEnt is always thinking outside of the box and bringing something new to players across the web whether they're playing free online slots or real-money games.
Play n Go
Play’n GO is renowned for developing mobile-optimised games that allow players to take their favourite slots with them on the go. You'll find a wide range of games with fun themes and fantastic graphics.
Playtech is one of the biggest and most established online slots games providers in the market today. The company has been around since 1999, and continues to make innovative games that captivate players. You'll find a vast range of branded slots as well as progressive games from Playtech.
Pragmatic Play is one of the busiest Slot developers in the online World. Over 200 games in 31 languages, they are releasing quality games every week with great gameplay and fun bonus features.
Push Gaming approaches online slots from an innovative and modern perspective. The developer has created some of the most unique slots out there, including Jammin' Jars, Joker Troupe and Fat Rabbit.
Relax Gaming was founded in 2010 and have expanded from Casino content to Poker and Bingo verticals. They now have over 100 employees, a superb platform for many game development studios and some brilliant slots such as Temple Tumble and Money Train 2. One of the company's newest releases is Money Train 3 - an impressive slot with a huge 100,000x top prize and all sorts of incredible modifiers in the bonus round.
QuickSpin was bought by Playtech a few years back after winning a clutch of awards for their innovative approach to producing slot content. They are still churning out top quality games today.
Thunderkick is quite a new online slots developer that thinks outside of the box. You'll find all sorts of kooky themes and unique gameplay features in the kind of casino games that set themselves apart from all others.
Online Slot Licensing and Regulation
Let’s be honest; whenever you spin a slot online you’re putting an incredible amount of trust into the casino and game developer that the game you’re playing is actually fair. Many players - understandably - have questions about how slots are regulated - and what measures are in place to make sure they’re fair.
Video Slot Requirements
Each online gambling regulator (which we’ll cover below) sets out their own requirements for slots that software providers need to follow. These are incredibly technical, and there are a huge number of factors that come into play - so, for the purpose of this, we’re going to be looking at a few of the requirements laid out by the UK’s Gambling Commission.
- Players must be able to access an explanation of the game, and how it works - before they stake any money. This is achieved in most slots with a detailed paytable and rules sections.
- Players must be informed of the return to player (RTP) percentage - and this must be made accessible from within the game’s help files.
- All video slots must receive certification from an approved testing house and the random number generator must be proven to be just that; random.
- A spin must take at least two seconds
- No more than 100 autoplay spins can be set at once.
That’s a mere fraction of the rules and regulations surrounding the slots you play at gambling sites online - and we’d be here all day were we to cover all of them. However, rest assured that if you’re playing a slot at a licensed casino or a free online slots game here at Slots Temple - you’ve got nothing to worry about. It will have been tested over billions of spins to ensure it’s fair and sticking to its expected RTP.
Online Gambling Regulators
In order for any online gambling company (whether it be an online casino or a game developer) to operate, they must hold a valid license from an online gambling regulator.
For European players, there are two key regulators; the UK’s Gambling Commission (UKGC) and the Maltese Gaming Authority (MGA). Both of these regulators have a very strong reputation and take a no-nonsense approach when it comes to licensing.
They ensure all of their licensees are adhering to strict rules and regulations - and when it comes to the regulation of slots, as we saw above, these measures are incredibly in-depth.
Some less well-known regulators (with a good reputation) include the Alderney Gambling Control Commission, the Gambling Supervision Commission (Isle of Man), the Jersey Gambling Commission and the Kahnawake Gaming Commission.
Some countries also have their own specific regulators, like the UK. This includes the Belgian Gambling Commission, the Danish Gambling Authority, ARJEL (France), the AAMS (Italy) and the Spanish Gaming Commission.
We strongly recommend you play at casinos licensed by the UKGC or the MGA. Do so, and you’ll be playing in an incredibly fair environment - and you can guarantee any of the games you’re playing are safe, fair, and regulated, thanks to the strict gambling commission rules - whether they are free online slots or real-money games.
Slot Testing Houses
The actual companies/bodies responsible for testing and certifying slots - and ensuring that game makers and real money casino operators adhere to all relevant laws and regulations - are known as testing houses.
While there are more than 20 different testing houses, there are four main ones - and these are generally the “go-to” choice for the vast majority of game developers, given their solid reputation and the fact they are typically approved by multiple online gambling regulators. Let’s take a look at the four main players below:
- Gaming Laboratories International (GLI): GLI has been in operation since 1987, making them one of the oldest testing houses around. Their mission is to provide “world-class testing, certification and professional services” to game developers around the world, and they work with some of the world’s biggest software providers when it comes to game certification.
- eCOGRA: eCOGRA is a UK-based operation that was established in 2003, and they specialise in certifying games for the UK iGaming industry - although they do provide certification for games falling outside of the UK’s jurisdiction. eCOGRA is perhaps the biggest testing house going, and they have an untainted record when it comes to ensuring the games they test are fair.
- Gaming Associates Europe: Gaming Associates Europe is an independent and internationally recognised testing house, and while they’re nowhere near as big as GLI or eCOGRA, they work with a number of smaller game studios. They also tend to work with companies outside of the UK, although they are approved by the UK Gambling Commission.
- iTech Labs: iTech Labs is a gambling testing house that’s based in Australia, yet they provide game certification services to software providers all over the world. Like the other three testing houses shown above, they’re also approved by the UK’s Gambling Commission, and test - and certify - hundreds of new games every single year.
Thankfully, you really don’t need to worry about which testing house tests which game - and it’s not something you even need to check, provided you’re playing at a casino that’s licensed.
It’s easy to tell if a casino is licensed or not, as - regardless of which online gambling regulator they operate under - they are all legally required to display information about their license in their footer section.
Common Misconceptions About The Fairness of Slots
It’s common for players to have misconceptions or misunderstandings about how slots work; this is only natural, as you’re playing a game where you personally have no way of knowing is actually fair or not - you’ve simply got to go by the game’s certification.
Thankfully, the world of online gambling is incredibly well-regulated, and aside from a few dodgy game developers (who get called out pretty quickly), it’s just not the case that you come across “rigged” or “unfair” games.
However, a few misconceptions come up time and time again - and we’re going to clear a couple of them up now:
- While casinos can request different RTP settings from a software provider (more on this in our blog about the best-paying online casinos), a real money casino can’t simply change the way a game plays.
- Game developers can’t just update their games either; if they want to make changes, they have to go through the entire testing process again. So, while it can be tempting to think “this game feels different, it’s changed” - it’s simply a case of your luck turning.
- All slots also all use an RNG to generate the result. This means that the slot has no memory of previous rounds - so each spin is an independent event.
As you can see, releasing a new online slots game isn’t simply a case of designing it and pushing it out to online casinos. There’s an incredible amount of work going on “behind the scenes”, and game developers spend a small fortune on getting their games certified.
Provided you’re playing at an online casino that’s licensed by a reputable online gambling regulator (and here, we’re talking primarily the UKGC or the MGA for European players), you have nothing to worry about - and the games you’re playing are fair, random - and adhere to all relevant rules and regulations.
Remember, you can play thousands of slots for free here at Slots Temple - and you don’t need to create an account, either! We’ll also show you the best online casinos to play at and the best bonus offers to claim, should you decide you’d like to wager and try to win real money, but if not you can continue to enjoy our free slots with no deposit required.
Free Slots FAQs
Can I Play Free Slots Online?
Yes, you can! You can play free slots right here at Slots Temple. These are demo versions of online slots that you’ll find at real-money online casinos.
The benefit of playing free online slots is that you’ll be able to give certain titles a try before you decide to spend any money on them. We have over 9000 slots games for you to play for free with all sorts of features and themes, and we’re always adding new titles by the day!
Where Can I Play Free Demo Slots?
Free slots are available to play right here on Slots Temple, where we add new content daily. Just open your desired game in your web browser and it will be ready to play within seconds. You can also claim free spins bonuses from a wide range of casinos - and no deposit casino offers. Some require you to make a deposit but others offer them for free as soon as you sign up to the site.
What Is The Best Slots App?
Most slots run on HTML5, which means that they will work perfectly on mobile devices. So the slots that you can play for free here at Slots Temple and real money sites will simply load in your mobile web browser. However, if you're looking for a dedicated app, casinos like Casumo and LeoVegas have apps that can be downloaded to your tablet or smartphone.
Are Slots Really Random?
While the free slots we offer here at Slots Temple are demo versions of real-money slots, we understand that players are still concerned about whether or not they are truly random. We can assure you that they are, as they run on sophisticated Random Number Generator (RNG) software. This type of software produces random sequences of numbers every millisecond, so every outcome is completely fair.
In fact, online games developers have their RNGs audited regularly by both in-house and third-party firms. So, you can always rest assured that your favourite slots are entirely random.
How Do I Download Slots?
Most online casinos provide players with the opportunity to play slots from within their web browsers using HTML5 software. So, if you want to download free slots, you will have to find an online casino that has a downloadable casino suite. Furthermore, the suite must have demo versions of games – which is quite a tall order.
As such, it is usually the best option to visit a casino from your web browser and give their demo versions a play. You can do the same here at Slots Temple, where we have collected over 9000 slots.
Can I Play Slots Offline?
You may not always have access to the internet or enough data on your mobile plan to support playing free slots online. In this case, you will likely want to play free slots offline. Unfortunately, this is not always possible. Since most of today's slots run on HTML5 software directly in your web browser, you can't play them when you're not connected to the internet. However, you can download an online casino suite to your desktop or your mobile device. This should have demo versions of slots that you can play for free while offline - however, the selection will be limited.
Can I Play Slots For Real Money?
While this might sound like an oxymoron, it is not. More and more online casinos are providing players with the chance to play free slots for real money. All you have to do is find a casino with a generous free spins bonus, or no deposit bonus casino offers.
Also be on the lookout for online casinos that offer free spins uk offers where the wagering requirement is a maximum win rather than one that requires you to wager your winnings.
Can I Play Slots Like The Ones I've Played In Vegas?
The great thing about playing slots online is that there is a huge range of options available to players. While you can play mobile-optimised games and modern online slots, there are plenty of titles that resemble more traditional slot machines. You can find these from developers like Realistic Games, who develop free slots that cater to classic slots fans.
You'll also find plenty of fantastic free slots here on Slots Temple that you may have encountered at land-based casinos and gambling venues in Las Vegas. Developers like IGT, Aristocrat and Bally have redeveloped plenty of their games from land-based titles into online games that you can access from your desktop computer or mobile phones. Cleopatra, Golden Goddess and Kitty Glitter are some of the most popular slots in Vegas - and you can play free slots right here for free!
Which Slots Payout the Most?
All slots have a different RTP (return to player), which lets you know how much money is returned to players as prizes for every 100 coins they wager. In the online slots market, most games have RTPs or payout percentages that are about 96%; however, there are some games that have RTPs up to 98%. Bloodsuckers from NetEnt has an RTP of 98% while Esqueleto Explosivo has a payout percentage of 97.6%. You can read more about the highest paying slots here.
What Is Slot Volatility?
Slot volatility refers to how often a slot pays out its prizes and how generous you can expect those prizes to be. A high volatility slot pays out big prizes that come around less often while a low volatility slot pays out smaller prizes much more frequently.