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Free slots are a great way to play your favorite titles without risking any money. While you’ll only win site credits rather than real money, you can still experience the thrills of the perfect match and bonus games. There are also opportunities, though, to play slots online for real money and cash prizes.

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The decision as to whether to play slots for free, for cash prizes, or for real money often depends on which state you live in.

Here are some of the best ways to play slots online:

  • Play free slots online – Available in all states
  • Play slots for cash prizes at online sweepstakes casino sites – Available in all states except Washington
  • Play slots for real money – Available in New Jersey, Pennsylvania, Michigan, and West Virginia

Free Online Slots – Double Jackpot

Playing free slots online is a great way to hone your skills before taking your cash to the real thing, be it at an online casino, a brick-and-mortar casino, or on a sweepstakes casino site. Playing free slots online doesn’t cost any money, it’s completely legal, and you can do it on desktop or mobile device, your choice. What could be better than that?

Play Free Slots Online (No Download Necessary)

Here are some other free slots to play at GamblingOnline.com:

How To Play Free Online Slots

It couldn’t be easier to play free online slots. For one thing, you’re on a website that has a nice variety of options that covers every type of gameplay style.

Whether you’re on a mobile device, a laptop, or a desktop computer, you’re just a click or tap away from the action of free online slots.

Unlike at an online casino, you don’t need to create an account. You also don’t need to deposit any money. All you have to do is click the game, and you’re set to play. You’ll receive plenty of free credits, which can be instantly replenished by refreshing the page.

However, the setup is otherwise the same. You choose the lines or coins you want to play, their value, and you spin. You can even do auto-play. The symbols and bonus games are unchanged as well.

If the real-money version of a slot has a progressive jackpot, that won’t be presented in the free version. But the game won’t be affected, and a placeholder progressive will be used in place of a real-money jackpot.

At many online casinos, even those not legally available in your area, you can often play the slots in free play (AKA demo) mode. This is a great way to try out a game before risking real money.

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Online Slots At Sweepstakes Casinos (Best Option For Most States)

Available in: All states except Washington state.

If you don’t happen to live in NJ, PA, or WV your best bet is a sweepstakes online casino where you can play your favorite online casinos for real cash prizes. Sweepstakes poker sites allow players an opportunity to play online poker for cash prizes.

How To Win Cash Prizes Playing Free Slots? Sweepstakes Casinos

The Best Online Slots For Cash Prizes:

Too many slot lovers are unaware of sweepstakes casinos, which are a legal, trustworthy, and legitimate way to win cash prizes and gift cards playing online slots.

Sweepstakes casinos like Chumba Casino, LuckyLand, and Funzpoints do not take real-money deposits. Instead, you play using Sweeps Coins, and you can exchange the Sweeps Coins you win for cash prizes or gift cards.

Sweeps Coins are directly redeemed, meaning the more you win at Chumba Casino or LuckyLand, the bigger your cash prize or gift card. At Chumba Casino, you need to win at least 100 Sweeps Coins to receive a cash prize while LuckyLand’s minimum is 50 Sweeps Coins.

Best of all, you can play these slots for free, no purchase required. Just for signing up, you’ll receive Sweeps Coins, and you receive additional Sweeps Coins just for logging in.

While you do also have the option to purchase Gold Coin packages that include Sweeps Coins, it’s not required to win cash prizes for free at Chumba Casino or LuckyLand.

Everything You Need To Know About Online Slots

Why Play Free Slots Online?

Discovering Your Favorite Game

Like anything else, slot machine gaming is more fun if you understand the ins and outs. There are multiple types of games, and some of them are more suited for some players than others.

For example, you might be happy with a high-volatility game that pays out less often but has a higher jackpot, like a progressive. But someone else may prefer to get paid more often, even if it means the top prize is lower, which is offered by the low-volatility slots.

Practice Makes Near-Perfect

Beyond discovering the type of game you like to play, free slots also allow you to practice strategy and hone your skills.

Playing a slot without knowing how it works is a great way to lose money unnecessarily.

But when you play with intimate knowledge of the game, you set yourself up for the highest likelihood of success.

Playing Slots Online Is Fun

If you love to play slots, it’s a good idea to mix things up with some free play spins. It’s an entertaining and exciting way to pass the time without any chance of losing money.

You can’t play a traditional slot machine for free. All the options at the brick-and-mortar casinos require you to insert money. But thanks to the internet, you can just pull out your phone and play instantly.

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Which States Have Legal Online Slots for Real Money?

Currently, very few states offer both online casinos and online sports betting. However, online gambling is trending upwards and we expect to see many states jump on board in the coming years.

One form of gaming that is allowed in 49 states is sweepstakes gaming. Sweepstakes casino sites allow players in most states to play online casino games for cash prizes. Otherwise, if players are looking to play slots online for real money, they are limited to only a handful of states.

  • Sweepstakes Online Casinos (All US States but Washington)
  • Michigan Online Casinos – Launching early 2021

Any real-money online casino that’s accessible from a state without legal online casinos is an illegal, offshore site. We highly recommend avoiding those; otherwise, you risk your finances as well as your personal information. With a lack of regulations and oversight, these sites are generally unsafe.

Before playing at a real-money online casino, make sure it is legally available in your state.

How To Play Slots: The Basics

Generally speaking, you play a slot by spinning three to five reels that feature various symbols. The goal is for those symbols to line up in a combination that triggers a payout when the reels stop. It’s that simple.

Unlike games like blackjack or poker that require strategy, slots is based almost entirely on luck. However, there are some ways to give yourself the best odds of winning.

Paylines/Playlines

Paylines (or playlines) are the different patterns that symbols line up across to create winning combinations.

Each one can win independently, so the more paylines you play, the higher your chances of winning. And because you win multipliers, higher value paylines mean bigger prizes.

Pro-Tip: It may be required to play all paylines (or Bet Max) to qualify for the progressive jackpot. Check the info on the specific game to find out.

Return to Player (RTP) or Payback

Payback (or RTP) is the average amount a slot pays out in relation to how much the player put in. For example, a payback of 75 percent means that you can expect to win $75 for every $100 wagered.

Of course, this is simply the average, and payback stats will rarely occur exactly as expected.

For example, wagering $100 on a slot with a payback of 96 percent could mean losing the full amount. At the same time, wagering $5 on a slot with a 75 percent payback could mean winning a million-dollar jackpot.

“Max Bet”

Max bet is betting the maximum number of lines at their maximum value. This can range from $20 to $125 or more depending on the casino. In some cases, Max Bet is required to win the progressive jackpot or trigger certain features.

Warning: Selecting Max Bet can sometimes both set the highest values and automatically spin the reels and place the bet. So don’t click Max Bet unless you’re planning to do exactly that.

Slot Features, Free Spins, and Bonus Games

Five-reel slots (and some three-reels) will often have features and bonus rounds. The most common is a Free Spins Feature, but some have cascading symbols, pick ‘em games, and beyond.

Further, the games will usually have additional twists. As a random example, double the wild symbols during the free spins feature.

How Wild Symbols Work

Wild symbols take the place of any other regular symbol to create winning combinations, which is why they’re also known as substitute symbols. They may also double or triple wins.

Wild symbols do not normally replace scatter symbols, which usually trigger features. The game description will let you know exactly what the wild symbols can and cannot replace.

How Progressive Jackpots Work

In a progressive slot, a portion of every bet is added to a jackpot until it’s won. Usually, the progressive jackpot is awarded randomly at the end of a spin, but sometimes it’s triggered by certain symbol combinations or through an in-game feature.

In some cases, a progressive jackpot is part of a shared network of slots. That means you can win the same jackpot while playing one of two or more different games.

Some progressive jackpots are also tiered, meaning there’s a grand prize as well as smaller progressive payouts that are slightly easier to win.

Each Type Of Slot Machine

Slot TypeFree Version Description
Classic SlotsDouble JackpotA classic slot is a three-reel game with one to five lines. Choose to play with one to five coins. Setting the coin value determines the value of the coins wagered as well as the coins won.
Video SlotsDivine FortuneA video slot usually has five reels but can have anywhere from four to seven. This is an umbrella term that encompasses 3D slots, All-Ways-Pay, and any slot that would require a screen rather than physical reels. While no slot has physical reels these days, the video slot moniker remained.
3D SlotsWheel of Fortune3D Slots are a form of video slot that features 3D symbols, backgrounds, and animations. The quality of some of them are on-par with 3D animated films.
Fruit MachinesCash WheelColloquially, a fruit machine is a slot that features fruit symbols, like cherries and lemons. However, in the UK, fruit machines (fruities) are a specific type of slot with special rules that add some strategy to the game, such as bumping symbols and stopping one reel before the rest.
All Ways PayWheel of FortuneAn All Ways Pay slot has all the paylines preselected, so you determine your wager based on coin play. All Ways Pay slots can have 243, 720, or as many as 1024 lines, all of which can trigger a payout.
ProgressiveHot Shot SlotA progressive slot features a jackpot that continuously grows as people bet on the game. Progressive jackpots can be won independently from fixed jackpots.

Playing Slots: Where To Go And What To Play

Slots Capitals Of America

The most famous places to play slots are famous for a reason. Few cities have a slot machine every few feet or so, making them essential destinations for any slots enthusiast. These are:

  • Las Vegas, Nevada
  • Reno, Nevada
  • Atlantic City, New Jersey
  • New Orleans, Louisiana

However, the states of Colorado and North Dakota also have dozens of land-based casinos across the state.

For those looking for an international casino excursion, Macao’s Cotai Strip rivals the Vegas Strip for best gambling on the planet.

Slots With The Biggest Prizes

Progressive jackpot slots have the biggest possible prizes. The Megabucks slot at Excalibur Hotel & Casino (part of MGM Resorts) on the Vegas Strip once paid out a massive $39.7 million, a Vegas record. No slot will have a fixed jackpot that’s even close to that number.

Slots With The Best Odds

If you’re a more conservative bettor looking for consistent wins, we recommend playing slots with a high return to player (RTP).

If you don’t have access to legal online casinos, that means you’ll need to go to Vegas, Reno, or AC, where casinos actually have local competition. In areas where the closest competing casino is a hundred miles away, you likely won’t find very high RTP slots.

But you should still be able to look up some of the titles before going and find the highest RTP options. A good RTP at a land-based casino (relative to the market as a whole) is 85 percent or higher.

Why Are Slots The Most Popular Casino Game?

Slots are the most popular casino game by far. In fact, they make up more revenue than all the other casino games combined. The reasons are because slots:

  • Are easy to learn.
  • Are fast-paced, flashy, and fun to play.
  • Have huge win potential.
  • Can be played for pennies.

Basically, slots are approachable and might make you an instant millionaire. That’s tough to beat.

What Else Do You Need To Know About Online Slots?

Free Online Slots Are Legal And Completely Safe

Free online slots may be the safest form of casino gaming. You do not need to make an account or register (more on that below), you don’t need to deposit, and no real money can be won.

Because you’re playing with free play credits, it’s also legal everywhere in the United States without exception. While real-money online slots mean risking some money, free slots mean nothing more than having fun.

There Are Two Legal Ways To Win Money Playing Slots Online In The US

You can play free slots online to your heart’s content. There’s no limit whatsoever, and you can refresh your credits at any time. However, if you want to play slots online for a cash prize in the US, you have two options.

If you’re in a state with legal online casinos (NJ, PA, WV, MI, and DE), you can join one of the licensed sites and apps in your state.

If you’re in any US state except for WA, you can play sweepstakes slots on Chumba Casino or LuckyLand for your chance at cash prizes, no purchase necessary.

You Don’t Need To Register Or Create An Account To Play Slots Online

No need to share your email or log in through your Google or Facebook account. You don’t need to create a password or give any personal information. To play an online slot for free, you simply select the slot and play. There’s nothing more to it than that.

You Can Play Slots Online Several Different Ways

You have your choice of a handful of different options when it comes to playing slots online. These include:

  • Legal online casinos in states that allow it.
  • Sweepstakes casinos like Chumba Casino and LuckyLand.
  • Sweepstakes poker site Global Poker, which has a couple of slots as well.
  • For free online at trusted sites like this one.
  • In free casino apps in the Apple App Store and Google Play with free-play slots.
  • On Facebook through slots apps offered by developers within the social media site.
  • Video games with casino minigames such as The Sims, Far Cry, GTA, and Pokemon.

Some Of The Most Popular Slots In Las Vegas Are Free To Play

You can play some of the most popular slots on the Las Vegas Strip right here. From in-depth video slots to classic three-reel slots and everything between, you can find the best in gaming without signing up or making a deposit.

FAQs – How To Play Slots Online

Absolutely. We recommend the best free slots online above. These are available in all 50 states. Even in states with legal online casinos, many casino sites will also offer slots in demo mode, allowing you to learn how to play the slot machine before depositing money.

No, not really. Most legal online casinos and online sports betting sites offer new player bonuses. Because you are not betting with real money, there are not bonus offers for playing free slots. Instead, you get the benefit of playing slots for fun, for free.

Yes. Legal online casino apps that offer slots to play in demo mode can be played using an app from either the Apple Store or Google Play Store. Most free online slots, though, can be played on a mobile device using the phone’s browser. Many are optimized to play well on a mobile browser.

Who has the best selection of slots for real money?

Legal online casinos can offer dozens, if not hundreds, of options of slots online. Sometimes more than would normally be on a casino floor. Some of the best slots for real money include options from BetMGM and the Golden Nugget.

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thor's picks
Asgardian Stones
Vikings Go Wild
Viking Gods
Vikings Go Berzerk
Tiki Vikings
Thunderstruck II
Thunderstruck
Sirens Serenade
featured slots
Rainbow Cash Pots
Starburst
Adventures of Doubloon Island
Fishin Frenzy
Wild Wild Riches
Chilli Heat
Rainbow Riches
Live Roulette
Burning Wins
Eye of Horus
Thunderstruck II
Slingo Reel King

If you love free slots, then joining the 2021 Viking Slot raid with Thor Slots and embarking on an action packed adventure into the wild and fun world of free slot games is the best choice you can make. Can you harvest the wisdom of the Norse Gods and garner the mythical power wielded behind Thor and “Mjolnir”, Thor’s famous hammer? Yes, we say.

Your long boat awaits you, so grab your sea chest and come a-board to access the most popular slots! Do you have the resilience to brave the icy seas and reap the ultimate rewards and plunder of the slot gaming world? Thor Slots is a veritable Valhalla of gaming fun with over 800 free slots in its repertoire, meaning there’s a treasure trove of wealth to be seized across a range of fun online slots titles developed only by the best. Not to mention our instant win scratch slots, which can offer you a break to socialise and have fun with your friends.

Thor Slots features all the traditional favourites as well as many new freeslots titles that are added every week in 2021. Fight your way across Bifrost, avoid the Valkyries and visit our All Games (aka Viking Slots) page to begin your quest to conquer the free online slots of the day through desktop, mobile or tablet!

Not sure how to find your favourite slots? Keep reading below for anything related to free slots or play right away with our 500 free spins welcome offer!

Play Free in Demo Mode

Free slots are just the best way to identify the slot games that you should be playing. Players don't have to make a deposit to play on a casino through this form. Instead, by identifying free slots demo, players can access the game they are interested in, without registration, download or deposit required. Thor free Slots does not offer demo slots per se, as we are not a free casino.

In addition, the United Kingdom Gambling Commission (UKGC) has banned all casino sites from offering free demo slots for fun to players. Still, we believe that these are worth a try and then you can come back to us to play slots for real money. Below, we touch upon all the aspects that demo slots uk offer insights into.

Modern vs Classic Slots

Online slot machines have come a long way since their inception back in 1890s. Classic slot machines are still apparent on many sites in one form or another, as well as fruit machines. For instance, on Thor Slots we offer punters the following classic free slots:

On the other hand, players can also access newer slots for free or to play for real money; these can be in the form of progressive jackpots slots, like Irish Luck Jackpot, or with fixed jackpots, such as Chilli Heat. Other modern free slots games here are inspired from popular culture and movies - just like the Planet of the Apes!

Free Slot Bets & Paylines

Playing demo slots can also give you a glimpse into how to play slots online. When they first begin playing, punters will have to set the number of paylines they want to bet on and then adjust their bet size accordingly. In the demo mode this is performed for free, but it can help players practice, before playing online slots for real funds.

Most free slots tend to have 20/25 paylines, on a 5x3 reel format. Classic slot machines have 3x3 paylines mostly and there are even modern free slots, which have no paylines at all - rather a Megaways format. White Rabbit, for instance, is a slot game that operates differently and players have over 100,000 different ways to win without any paylines apparent.

Free Spins & Bonus Rounds

The last great thing that demo slots offer to players for free is the opportunity to explore the bonus round apparent in select slot games. When playing slots for real money, it might take £100 or more until you trigger the lucrative bonuses rounds. In the demo mode, you can play the free bonus round of Rainbow Riches Reels of Gold without spending money instead.

How to Play Free Slot Machines

Did we fire you up already to play free slots? As we said above, Thor free Slots online casino requires a deposit of £10, but offers the chance to win real money prizes from your favourite games. To play for real money, then follow the below steps:

  1. Click on the Register button on the top of this screen.
  2. Enter your personal details, email and username.
  3. Confirm your account through the verification link.
  4. Conduct a minimum deposit of £10 to play slots real money.
  5. Claim up to 500 free spins with our welcome offer, by spinning the Mega Wheel after your first deposit.

Life is simple with Thor free online Slots. Still, if you don't want to play the best online slot games just yet, you can find one of the many International affiliate sites that are stilled allowed to offer free slots in their demo version. After you play around a bit, come back here to spin the reels of slot games and win real money. Below, we briefly explain the process involved after you deposit on our site and set out to play slots:

  • After the online slots game loading screens opens, you will be met with the base game. First, you will need to set your bet size (sometimes it is displayed with coins) and select the number of paylines that you want to bet on. 243 ways to win, 1024 ways to win and 111,000+ ways to win slots don't have paylines, so you will just need to adjust your bet levels.
  • Now, you are ready to hit the Play button. After a short animation (3 seconds), the symbols will be locked on the reels. Most slots play from left to right, when at least 3 or more identical symbols appear on the same payline. Megaways slots pay if 2 similar symbols are on adjacent reels. Some games, like Book of Dead, pay even when 2 high value symbols appear on the reels.
  • This is the basic process on how to play slots; however, if wilds or scatters are apparent, the normal online slots rules change - as these special symbols perform different functions.

Remember to have a look on the Paytable of each slots games before you start spinning its reels to see how the special symbols and the bonus round affect the gameplay described above. Autoplay is also available on some free slots, so you can play without even hitting a button!

Best Online Casino Software Providers

Real money slots and free slots are a by-product of the hard work set by the worlds leading software providers. Some operate since the days of land based casino halls, while others are newer. Free slots sites tend to only offer slots games from a single provider. In contrast, Thor Slots closely works together with the biggest names of the industry, offering you the best slot games in the world (sometimes for free no download).

Eyecon Slots

This company has been developing games for over 30 years. They tend to build around themes that we are all familiar with since our childhoods. Most of their slots games have an RTP of 95%, free slots games features, 5x3 paylines and a gamble feature. Their best slots that we offer on Thor Slots in desktop and mobile include:

  • Fluffy Favourites Fairground (comes with 10 - 500 free spins with our welcome bonus)
  • Fluffy Too - free games bonus
  • Enchanted Prince - free spins round
  • Shamans Dream - gamble feature and jackpot version
  • Sugar Train - highest RTP slots from Eyecon

NetEnt & Microgaming Slots Games

Another top rated name in the gaming industry, NetEnt has been collaborating with Thor Slots. They produce some of the highest RTP slots games with unique bonus rounds and free spins games. They have also established one of the most formidable progressive jackpots network and they have been recently acquired by Microgaming - another gaming giant. Our favourite titles from their teams include:

  • Aloha - best cluster pays slots
  • Mermaids Millions - beautiful theme and design
  • Mad Mad Monkey - players' favourite

Yggdrasil Slots

Our third favourite gaming developer, and the one that produces themed slots exclusively for us is Yggdrasil. It is not as big a company, as the ones we touched upon above - but they establish the best free slots with a Viking theme in the industry. Below, you can see some of the best Yggdrasil slot games on Thor free online Slots:

  • Vikings go Berzerk - comes with our formidable 500 free spins welcome offer
  • Vikings go Wild - top bonus feature 2021
  • Viking Gods - one of the best branded slots on this casino
  • Viking Fire - title of the year 2017
  • Vikings - from the popular TV series

Fascinating stuff, right? Join our online casino and play all these freeslots or play for real money in 2021. Other slots games that you can find on our site come from Big Time Gaming, Blueprint Gaming, Pragmatic Play, Push Gaming and Barcrest.

Free Slots vs Real Money Slots

Free slots are exciting, we never denied that - but real money are actually giving slots their true identity right? We have been debating this very question when we were establishing this site - offer free to play slots or real money slots to our players?

Surely, no site our online casino will please everyone, but we tried to find a middle way; offer real money slots so that players feel the rush and excitement that comes along with gambling for cash - but give free spins to new players. Loyal slot machines punters still receive free slots cash, free spins, loyalty rewards and VIP bonuses, but a real money deposit is required on Thor Slots to play online slots for the first time! To come to this solution and design our online casino accordingly, we took into account the pros of free slots and the cons - in relation to their real money counterparts.

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Pros & Cons of Freeslots

+ No cost, offering fun and play time no strings attached.

+ Accessible from many online casinos.

+ No download required to play slots free

- Small variety of slots games

- No thrill or hype that comes with real money rewards

- New slots rarely come for free

Pros & Cons of Real Money Slots

+ Can reward thousands or even millions in prizes

+ Huge range of slots games with exciting bonus rounds

+ Can give access to free slots rewards, like match deposit bonus and free spins

- Require a minimum deposit, usually of £10

- One has to provide a lot of personal details to online casinos, especially to withdraw funds

- Can result to addictive or compulsive gaming

Playing Free Slots at Online Casinos

No matter if you are down to play free slots or whether you are 100% positive that real money online slots are the right choice for you, there are a few things that you need to always check before you register to play online. The below aspects should be explored in detail before you deposit or sign up to play online slot machines.

License: The first thing that you need to check when preparing to play free online slots for free at a casino, is checking whether there is a valid gaming license. These are usually provided by the Gambling Commission and the Malta Gaming Authority for the uk online casinos. Thor Slots is a licensed and regulated casino, so we tick that box!

Deposit Methods: An online casino site should offer punters a variety of deposit methods to be able to access deposit bonus and free spins to play online slot games. Here, you can deposit £10 minimum, no fees with Visa Cards, MasterCard, PaySafeCard, PayPal, Skrill, NETELLER and Pay by Mobile Slots. The latter allows you to credit your phone bill and play free slots online.

Free Slots For U

Welcome Bonus: New players should always pay extra attention to this. Is the welcome bonus applicable to the slots games you want to play? Maybe free spins for Book of Dead or Starburst? A deposit bonus of £500 to play casino games? Research first, deposit later. Thor has 500 free spins welcome for online slot machines, which is truly a perfect start for your gaming experience.

Existing & Loyal Customers Promotions: You won't be a new player for long, right? This is why you should always explore the online casinos promotions for existing players too before committing to a particular casino. Here, we provide cashback offers, daily free spins, monthly free spins, VIP ladders and rewards, deposit bonus offers and tournaments that reward those who spin the reels to outshine the competition. Check our all the Thor Slots promotions here.

Games Catalogue: Free online slots are the only think you care about? Well, that's fine with us as we offer over 800 different types including a variety of themed slots (Egyptian, Pop Culture, Animal, and so on), branded online slots, classic slot machine games, fruit slot machines, jackpot slot games, progressive jackpot slots and instant slots. Nonetheless, we also offer casino games (poker, blackjack, roulette, craps, Dragon Tiger, Sic Bo, baccarat) in video and live version, scratch cards and a few arcade slots.

RTP & RNG (Fairness): Only licensed and regulated casinos by the Gambling Commission like us, ensure fairness and transparency when it comes to free online slots. All our slots and casino game titles come with a dedicated return to player rate (RTP). This highlights the edge that we have over punters across all our games. A random number generator is also apparent, as in all casino sites regulated in Great Britain, in our casino games - ensuring that each round is unique and indifferent to the one that came before it.

Customer Service: Lastly, always check a casino in relation to its support services. Thor free Slots has social media accounts that can help you identify the answers to all your questions, a support email for technical issues and a 24/7 live chat button for any enquiries in English. Why settle for less than the best gaming experience with us?

The Best Free UK Slot Games for 2021

Setting aside just a few amongst all the best free slot titles available here is not easy, we have to admit. We have many games available to play, which tend to have different unique aspects - but here we are compiling a list with the top 10 free online slots for you. We take into account their RTP, volatility, bet levels, bonus rounds, hit rate, theme and graphics when ranking them - while the table summarizes their main aspects.

Game Title

Developer

RTP

Free Bonus Features

Eye of Horus

Blueprint Gaming

96.31%

Free Spins, Fixed Jackpot

Starburst

Net Entertainment

96.09%

Re-spins, Sticky Wilds, Pay both Ways

Fishin Frenzy

Reel Time Gaming

96.12%

Scatters, Wilds, Fixed Jackpot

Fluffy Favourites

Eyecon

95.388%

Free Games, Gamble, Fixed Jackpot, Pick Prize

Rainbow Riches Megaways

Barcrest

95.9%

Free Spins, Cascading Wins, Buy Feature, Bonus Bank Bonus

Slingo

Slingo Originals

95%

Joker, Super-Joker & Blocks

Pirate Gold

Pragmatic Play

96.5%

Free Spins, Wilds, Scatters

Mega Moolah

Microgaming

88.12%

4x Progressive Jackpots, Free Spins

Avalon

Microgaming

96.01%

Scatters, Wilds, Free Spins, Fixed Jackpot

Blood Suckers 2

Net Entertainment

96.94%

Wilds, Scatters, Free Spins, 4x Bonus Features

  • Eye of Horus

Created with Ancient Egypt in mind, Eye of Horus is an iconic slot game by Blueprint Gaming. With an RTP of 96.31%, max win of £250,000 and free bonus features - we consider it amongst our best free slots.

  • Starburst

One of the most played free slots online of the 21st century, Starburst moves the action to outer space. With an RTP of 96.09%, a hit frequency of 22.65% and a max stake of 500x the players bet - there is no wonder why it is ranked amongst the top game titles.

  • Fishin’ Frenzy

A Reel Time Gaming slot, Fishin Frenzy carries a max win of £4,000 per spin and it is considered by many an unrivalled freeslots title. Its RTP stands at 96.12% and it comes with a low-medium volatility levels.

  • Fluffy Favourites

An Eyecon all-time favourite, which has also sparked a whole saga of over 10 best free slots games, Fluffy Favourites surely brings up memories. It's RTP is 95.388%, it has multiple bonus features and a high variance.

  • Rainbow Riches Megaways

Rainbow Riches is a top-notch game indeed, but Barcrest didn't stop there. The Rainbow Riches Megaways has all the cool bonus features of the original Rainbow Riches with improved graphics and gameplay, as well as over 100,000 different winning ways.

  • Slingo

Although the Slingo Originals company has produced a whole lot more games, the classic Slingo remains the most popular amongst our players. It's 95% RTP is very high for an instant game, why its bonus features are thrilling. Play free Slingo on Thor Slots or try out its 2021 follow ups, Slingo Rainbow Riches, Slingo Riches, Slingo Fluffy Favourites, or Slingo Extreme.

  • Pirate Gold

Celebrated by players as one of the best new slots, Pirate Gold has a high volatility and a 96.5% RTP. Wilds and scatters are apparent which assist players to enter one of the best free bonus rounds.

  • Mega Moolah

The iconic lion of Mega Moolah slot is still Microgaming's mascot. The jackpot beast has rewarded millions to players since its inception and it might pay out the next £10 millions on Thor Slots. 4 progressive jackpots, free spins and high paying animal-related symbols position this slot amongst the best.

  • Avalon

A less famous Microgaming slot game, Avalon is amongst the best medieval slot games in the world. Bets start at £0.10 per spin, up to £200 in this 5 reels and 20 paylines game. Free spins, wilds and scatters are the features that can give you the max prize here.

  • Blood Suckers 2

The sequel to the highest RTP free slots on Thor Slots, Blood Suckers, is also live in 2021. Blood Suckers 2 brags a return to player rate of 96.94% and its low volatility makes the gameplay pretty smooth and easy. Hidden treasures, free spins, shooting features and more surprises await players here.

How to Win on Slot Machines?

Casino slots and free slots appear as easy to play and win, but this is far from the true as any experienced gambler will tell you. In the past people employed cheats to win at slots, but with newer technologies all of these have disappeared, and casino players are trying to employ strategies. Things to look out for when picking a slot and factors that you should consider based on your bankroll include:

All Slots $5 Free Book

  1. Return to Player - the RTP defines the house edge when it comes to this specific online slot games. Always pick slot games with offer 96% RTP, while some of the highest RTP slots on our site are Cops and Robbers and Big Bad Wolf!
  2. Random Number Generator - make sure that RNG is apparent in your free slots choice, which will re-assure you that each spin offers equal chances of winning to the previous one. All Thor Slots have this feature.
  3. Jackpots - Daily, Major, Progressive and Local jackpot slots alike have a high volatility rate (7+ / 10), which means that they will pay less often, but much higher when they do. Consider this in regards to your bankroll and expectations. Jackpot slots with a decent RTP include Stampede Jackpot and Beehive Bedlam.
  4. Paylines - Most slots uk tend to have 25 paylines or more, which make the gaming experience more fun and exciting. Look out for those before you start betting and consider alternatives like Megaways and Megaclusters slots. Our favourite are Bonanza and Fishin Frenzy Megaways.
  5. Fruit Machines - Classic fruit machine slots tend to offer a 3x3 reels payline/reel structure, which means that there are lower winning chances - but this also means higher rewards. Some even include jackpots, like Diamond Strike and Jokers Jewels.
  6. Symbols - Free slots in 2021 tend to offer many more symbols than classic slots, which also have better graphics than classic slots. Identify the special symbols (wilds & scatters), the low paying symbols and the jackpot/free spins symbols before you start betting.
  7. Max Bet - Your payout is based on the amount you bet, so the more you bet, the greater your wins will be. Find jackpot slot machine games that you play with less than max bet and win the highest rewards. Titles like this include Reel King Mega and Fishin Frenzy Jackpot King.

All of the above can offer you some background and holistic knowledge on free online slots, which are considered by people who don't gamble easy to play and simplistic. If you want more info on any of the above topics you can access our blog to learn more on each particular topic and on more specific issues regarding casino best free slots, such as bonus rounds, free spins, loose slots and winning streaks!

Playing Mobile Slots Online or with App

Did we mention that Thor Slots is often also called a phone casino? There is a good reason for that. Almost all of our free slot machines and casino games are optimised for mobile browsers; how to play mobile slots?

  1. Open your mobile browser and visit our casino site (we support Chrome, Mozilla, Safari, Internet Explorer).
  2. Click on the sign in button if you already got an account or sign up on the site following the easy process required.
  3. Tap on the online slot game that you want to play. All the best free slot game titles are also available on mobile.

Then, the game will launch in an instant and you can play. Bored to open Thor Slots on your mobile browser? Download for free the Thor free Slots mobile app from the Google Play or App Store and play iPhone slots or Android casino games anywhere, anytime. The best optimised games for mobile devices and tablets include:

  • Mobile Slot machines (even better than on a desktop computer or laptop)
  • Mobile Roulette
  • Mobile Blackjack
  • Video Poker
  • Mobile Scratch Games

Slots Bonuses - 500 Free Spins Welcome Bonus

Thor is renowned for his fierce and stony demeanour but when it comes to slots, he’s generous with his wealth. Sign up and deposit just £10 today to receive up to 500 free spins on Yggdrasil’s Viking Go Bezerk and other amazing free slots (Fluffy Favourites 10 free spins, Rainbow Riches 50 free spins and Starburst 100 free spins) and accumulate your own Norse treasure.

Once you’ve defeated Loki and his plethora of inferior free slot websites and signed up to Thor, you’ll immediately be entitled to a multitude of promotions and free bonuses that will continually log into your account as you play and defeat your enemies. Besides weekly cashback and Happy hour bonuses you can also become part of our lost of most loyal customers, meaning you’ll be visiting Asgard and rubbing shoulders with Norse Gods and established members of the Viking brother and sisterhood.

Keep an eye out for our seasonal offers throughout the year and you could benefit from any of the following: top deposit bonus promotions, new welcome offers, cashback for new players, daily cashback bonuses, loyalty scheme, free spins, free cash and happy hours offers! Play our free online slots today and access a world of unlimited gaming and rewards.

No Deposit Slots, No Download 2021

All Slots $5 Free

Besides demo slots, you might be able to actually get no deposit bonuses too in the UK. These promotions allow new players to claim a free money bonus value that can be wagered on slots online. However, these tend to carry wagering requirements. Common types of no deposit slot offers in the uk:

  • $5 no deposit bonus, 10 free spins on Book of Dead
  • $10 free bonus money, 80x wagering requirements
  • $20 no deposit slots bonus, for Starburst

Thor Slots offers no deposit bonus in 2021, but existing players might receive just rewards based on their gaming experience.

Online Casino Bonus No Deposit

These types of bonus offers are usually applicable just to casino games. No deposit roulette, free blackjack and free poker might be able to achieve with a no deposit casino bonus online - even rewarding some real cash after meeting the wagering terms.

Thor casino offers exclusive bonuses on these games, but only to loyal customers, who have first made a deposit of real money.

Free Spins No Deposit Required

Probably the most searched offer on the internet, free spins no deposit are available on a few casinos - followed by very strict wagering requirements. Winnings are capped, bets per spin is low and the qualifying games tend to be very limited. Most popular free no deposit spins in 2021:

  • 15 free spins no deposit, x30 wagering requirements. Value per spin £0.05
  • 20 free spins without deposit, x50 wagering requirements valid for one day
  • 50 free no deposit spins for Fluffy Favourites, max winnings £20. Phone confirmation required

On this casino you can only receive free daily spins, free monthly spins and the welcome bonus of up to 500 free spins.

Terms & Conditions Apply on Thor Slots

If you deposit real money to play slots online, then you don't have to worry too much about our Terms & Conditions. Still Ts & Cs apply if you claim our welcome offer; all your winnings will need to be wagered x65 times and there is a minimum deposit limit of £10.

Max wins on every 10 spins is £8 and the maximum winnings from the 500 free spins offer is £250. Still, our loyalty bonuses, monthly free spins and other promotions come with no wagering and no deposit required. So, stick with us and the fun will keep coming your way.

Safe & Secure Deposits & Withdrawals

Thor and the Nordic race may be an ancient example of our history, but their payment and safety procedures are nothing but progressive. Take a look at the bottom of your screen for a full list of our payment methods but feel safe in the knowledge that Visa, Maestro, Mastercard, PayPal, and Pay By Mobile casino are all included; so, if you want to register and play free slots, there is nothing to worry about - Thor Slots casino has you covered.

If you never heard about pay by mobile before, see here an example of how to deposit for Rainbow Riches.

Safety & Security on this Casino

Although Thor’s title as the Norse God of Thunder suggests otherwise, your safety while depositing and spinning will be nothing but clear skies and a hassle-free journey. Thor Slots works closely with the regulating bodies to ensure all our player’s safety is adhered to and we advise that all players set deposit limits in line with their budget as well as taking a look at our responsible gambling guidelines before they embark on their slot journey.

Always Play Responsibly on Thor Slots

So what are you waiting for? Between now and Ragnarök seize the day, wield the power of Thor, and carve your name into the rune stones of Nordic legend. However, never forget that gambling problems are quite easy to develop - so stop when the fun stops! Our demo slots might be a good option if you feel that you are surpassing your limits. Join and Play Today!

Did you know this about Free Slots? (FAQs)

People are getting fired up with slots, but there are some grey areas that we attempt to shed some light on below.

Are your recommended games legal in the UK?

All the online slot and casino games available on Thor Slots are regulated by eCogra and licensed by the UKGC. As we are a licensed site, we adhere to the strictest guidelines to ensure players' safety and security when playing free or real money slots online.

Are free online slots rigged?

Many people think that casino sites offer free slots in demo version to make sure that players will get excited and deposit real money. Although we don't offer freeslots without deposit, we can ensure that all legal sites in the UK that provide demo slot games by developers offer an identical version with the real money game. This is because developers like Big Time Gaming, Pragmatic Play and Blueprint Gaming who offer demo slots are also suspect to strict monitoring and regulations.

Where Can I Play Free Demo Slots?

Free slots can be accessed and played through a real money site in their demo version. Some sites online offer no deposit offers, but they are too low to give you a real grasp of the game. Free spins bonuses are the best way to pay a small amount and play free slots for a long time.

Which Slots Payout the Most?

There is no 100% guarantee that a slot machine will pay high. Still, variance (also known as volatility) is the factor that determines how online slot machines operate, as well as the RTP. The latter illustrates how much money an online slot machine will pay out across 1,000,000 spins based on the money wagered on it. Volatility illustrates the size of the wins that are going to be paid out. Low volatility slots payout small wins but more regularly and high variance slots the opposite. The best slots payouts on Thor Slots have been observed on the following slot machine games:

Are free slots playable on mobile?

If you are playing free slot games on Thor Slots, yes, they are. This free casino offers all the games, including new slots, through the dedicated mobile app and in their mobile optimised version. Supported devices include desktop computers, tablets, mobile phones (iOS, Android, and Blackberry) - but mobile slots tend to perform best on tablets due to screen size.

Can I play Slots Online?

Many people think that slot machine games are exclusive to land based casinos. Brand new casino sites like Thor Slots, however, offer an equal if no better gaming experience. Our slots online catalogue competes with the best Vegas casinos, easily.

Can I play free slots on Facebook?

Facebook slots are one of the latest trends in the gaming industry. Many brands, as well as Facebook itself, have launched online slot machines games which are playable for free. Players can play free slots online and unlock new slots as they play, just like Candy Crush. Premium features are also available but require money deposits. The negative aspect of Facebook Slots is that they do not reward any real money.

How do I download slots?

Normally, if you play on free online slots on sites like ours, you would not have to download a game to play. However, some free casino sites require punters to download slots and play for free on their phone just like any mobile app. The negative aspect of these is that there no real money rewards, just paid features to enjoy slots that are not even equal to the ones that reward real prizes. We find slot downloads outdated and unnecessary, especially when you have free slot sites like Thor in 2021.

Can you play real slots online and win real money?

Online slots are much better than brick and mortar slots in terms of graphics, payouts and variety. These are more real than any classic slot and can pay out very high amounts of real money, yes.

Any references to bonuses and free spins are subject to the following terms: New players only, min deposit £10, £8 max win per 10 spins, max bonus conversion equal to lifetime deposits (up to £250), 65X wagering requirements and full T&Cs apply. Please see our promotions page for more information.

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