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Free Play Slots UK 
Free slots are the same as any online slots you’ll find at online casinos except that they are set in demo/free play mode. They have the same features, the same graphics and, depending on game developers, can be played on both desktop and mobile. All free demos featured on JohnSlots come directly from the Game Developers themselves and are verified to be authentic.
Why Play Free Slots Online?
There is a good reason why online casinos host thousands of free online slot games to play for fun. By giving you free demo slots to enjoy, they also showcase their real money games library which you might decide to play later. And you should absolutely leverage such generosity for the below advantages:
- You get to test the slots you like and see if they are worth playing for real money.
- You can learn all about the bonus features present in the slots you want to play.
- You don’t need to deposit your money to play for free.
- You get a pretty good idea of the RTP and volatility, how often the slot pays out and how big are the wins.
- You can have a lot of fun without risking any real money.
How to Play Free Slots?
Playing free slots is easy. The only struggle you might face is finding an online casino that not only lets you play free slots but also comes with generous bonuses.
To give you a head start, we’ve put together a handy list of 10 free slot casinos at the top of this page which you can access any time. All you’ve got left to do to find the best free slots to play on desktop or mobile is to follow the below checklist:
- Choose a casino that offers a good variety of free slots (follow our recommendations).
- Choose the slot you want to play for fun.
- Select the demo mode and click play.
- If you are based in the UK, you will have to go through a one-time age verification process.
- Verify your age (on JohnSlots, we use AgeChecked).
- Play for free as long as you like.
UK Players: How To Verify Your Age?
To comply with UKGC regulations, players in the UK must verify their age before accessing free slot games. Recently we’ve partnered with AgeChecked, a secure age verification provider, to ensure compliance.
🛡️ JohnSlots is among the first UK websites to provide this age check solution to users, in full compliance with the regulations in Great Britain. Our goal is to give British players the opportunity to play real slot demos in a secure and safe environment.
How to use AgeChecked:
When you want to play a demo of a slot game and click “Verify Age”, AgeChecked will prompt you to verify your age through one of these four methods:
- Electoral Roll – Enter your address.
- Driving License – Provide your driving licence number.
- UK Mobile – Enter your email and mobile number.
- Credit Card – Enter your card details (no charge will be made).
Once you set up an AgeChecked account and verify your age, you can use the same email and password every time you want to play a free demo slot on JohnSlots.
Free Slots VS Real Money Slots
There is no wrong or right decision when it comes to choosing which slots you should play. Both real money slots and free slots have their advantages and disadvantages. It all depends on what you want to gain from this experience. That’s why we thought it’s a good idea to put these differences into perspective and compare free slots vs real money slots.
FREE SLOTS | REAL MONEY SLOTS |
|---|---|
You don’t need to deposit your money to test the free slots. | You have to wager real money to play. |
You can test and compare as many slots as you like without worrying about your budget. | With real money slots, you have to set the budget. |
You can play as long as you like without losing your money. | With real money slots, there’s always the possibility of losing cash. |
You get to learn all about the bonus features and special symbols. | With real money slots you can’t ‘test spin’, you always have to bet with real money. |
You’ll learn about how big the are payouts and how often you can win. | There’s the risk of underestimating how much money to bet on real money slots. |
You can access free demo slots on desktop and mobile. | You can access free demo slots on desktop and mobile. |
You will not win anything by playing free slots. | You can win a jackpot on a single spin. |
Free slots let you experience the thrills of what it’s like to play for real money without any of the consequences. | You experience the thrills of gambling for real money with the added concern of losing too much money. |
Best Free Slot Games for 2025
Differences aside, free slots are always fun to play. And we have a list of the 10 best free slots you can try today without any strings attached. Each free slot listed below is unique in its own way and offers entertaining gameplay. Take them for a test drive to experience the thrill of gambling for real money.
1. Blood Suckers – The Best Free Slot to Play For Fun
Blood Suckers is our top choice for free to play slots. It has:
- High RTP of 98%.
- Stunning graphics.
- Popular vampire-slaying theme.
- Free spins with multipliers.
▶️ Play Blood Suckers in free demo mode here.
2. Twin Spin – NetEnt’s Most Popular Free Play Slot
If you crave that vintage feel of old slot machines, but you want to play on a modern device – this is what this slot delivers.
- A 243 ways to win slot.
- Thrilling gameplay and big potential wins.
- Possible 135,000 max cash win.
▶️ Play Twin Spin in free demo mode here.
3. Astro Legends – Free Demo From Games Global
This fun cosmic-themed slot demo comes straight from its developer Games Global (previously known as Microgaming).
- Unique gameplay and HD graphics.
- Clusters pay mechanics.
- Max payout of 15,000x your bet.
- Sticky win respins, multipliers and respins.
▶️ Play Astro Legends in free demo mode here.
Other Free Slots to Play For Fun
SLOT | HIGHLIGHTS |
|---|---|
Classic online slot. Expanding wilds, free respins and multipliers. Pays both ways. Fun and entertaining gameplay. Frequent wins. | |
Highly entertaining gameplay with multiple bonus games. Random wilds, wilds reels, and lucrative free spins rounds. Multiplier of up to 1,000x. | |
3,125 ways to win. Extra high-risk slot with huge multipliers, extra lives and free respins. High-quality visuals. Huge wins. | |
Potential win of 3,000x your stake. Sticky wilds and respins. High-risk slot with frustrating but rewarding gameplay. High definition graphics. | |
Huge max payout of 20,000x your bet. Avalanche reels, free spins rounds with increasing multipliers. Beautiful visuals. | |
Epic 10,000x your bet max payout. Expanding scatters pays mechanics. Free spins games with multipliers. Exciting modern theme. |
Did You Know This about Free Slots?
In this guide, we’ve covered most of the important stuff there is to know about free slots, but if you have any more questions, take a look at the FAQs below.
In all honesty, we have no idea, but what we know is that there are thousands and thousands of different free slots to play for fun. Most of the top slots by the best software providers are available to play for free on both your desktop and mobile.
Most of the leading casinos have a selection of demo slots for testing out the game. If you don’t know which casino to pick, try our top list which includes the best casinos sites that offer many free slots.
All slots including classic slots, video slots, themed slots, and jackpot slots among many are available to play for free if they are set in demo mode by the casino.
Unfortunately, you can’t win real money from free slots and as a consequence, you can’t lose money either. In this case, it’s all about having fun for as long as you like.
The biggest difference between the free slots and real money slots is the winning potential. As opposed to not being able to win from free slots you can win from real money slots on a single spin.
Free slots can teach you a lot about the special features, RTP and volatility of the game. By playing for fun you can figure out how big and how frequent the payouts are which can help you choose the best free slots as a result.
RTP and volatility of the same game can vary among online casinos, therefore, you should check this kind of information before you play.
No, you don’t need to download any special software to play slots for free. Just choose a casino, register, go to their slots library and pick the free demo slots you want to play.
Online Slot Expert
10+ Years of Experience
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Leanna Madden is an expert in online slots, specializing in analyzing game providers and evaluating the quality and variety of slot games. With her extensive knowledge, she guides players to the best slot options, including high RTP slots and those with exciting bonus features. Leanna’s insights help players make informed decisions and enjoy rewarding slot experiences at online casinos.
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