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What to look for in online slots machines

No matter how well-stocked you are on free spins and cash bonuses, there’s no point playing to win if you don’t understand the basic rules of online slots. For instance, every spin of the reels is a game of chance and no matter how many times you’ve wagered, each and every outcome is a random one. Therefore, it’s possible first-time players could win the jackpot if their wager is high enough.

Just because an online slot game looks great value on the surface doesn’t mean it is. For example, free spins and bonus rounds might be plentiful, but the overall return to players and potential returns might be small. Poor returns in base games can make some online slots a long haul investment just to see some sizable win. So, always check the individual return to player percentage (or RTP) of slots before committing to any significant play.

The best online slots come in two distinct categories. Firstly, there are the simple 5-reeler slots. They are designed to cater to players of all types – from the complete novice to the seasoned professional who has been playing for years. Slots are not a game of skill as such. However, getting up to speed on the ins and outs of each title and their unique bonus rounds is essential. Therefore, more seasoned players can opt for advanced rules with more interactive titles. Thus, having the choice of multiple bonus options, each with their own unique perks and drawbacks. In short, getting a basic grasp of gaming strategy is essential and possibly be incredibly lucrative if you’re invested in long-term play.

Number of spins

10 free spins

Bonus package

up to £200+10 free spins

NBWELCOME

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£10+ deposit required, no e-wallets/prepaid cards, 100% Up to £200 Bonus + 10 Casino Spins on Vegas, 30x Playthrough on Bonus and 50x on Casino Spins winnings. T&Cs Apply. BeGambleAware.org

Number of spins

175 Spins

Bonus package

up to £350+175 Spins

no bonus code required

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New players only. Selected slots only. Min deposit £10, Max Bonus £350 + 175 bonus spins on Starburst, 30x wagering (dep+bonus), 4x conversion. T&Cs Apply.

Number of spins

175 Spins

Bonus package

up to £350+175 Spins

no bonus code required

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New players only. Selected slots only. Min deposit £10, Max Bonus £350 + 175 bonus spins on Starburst, 30x wagering (dep+bonus), 4x conversion. T&Cs Apply.

The best place to play free online slots

If you’re happy to play for practice, you’ll get full access to most gaming features of free online slots at any reputable online UK casino. Above all, play in practice mode with popular titles from gaming developers like NetEnt, Playtech and Microgaming. Once you’ve polished up on the slot game specs, you can play for real with no investment. This is possible if you take advantage of new member bonuses and welcome perks when you sign up to many leading online casinos. Having said that, you can get around your bonus restrictions by signing up for multiple welcome bonuses at different casinos to continue to play for free.

Number of spins

Gratis 77 free spins

requirement Upon registration

game Treasure Fair, Steampunk Nation, Gods of Gold

Rating

9.3

New Customers Offer, T&C’s Apply

no bonus code required

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No Deposit Offer: New players only • Predefined bet amount of £0.25 per spin • Free Spins (FS) must be claimed within 48 hrs of receiving the email and expires after 14 days • FS wins are capped at £20 Bonus, exc. JP win. Withdrawal restrictions & full T&Cs apply

Number of spins

Gratis 30 free spins

requirement Upon registration

game A Night in Paris, Black Gold, Viking Age and more

Rating

7.7

New Customers Offer, T&C’s Apply

30FS200

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*For New Customers only; Min deposit £20; Bonus is valid for the following providers: Betsoft, Fugaso, GS, Playson, and Felix Gaming.

Number of spins

Gratis 20 Spins

requirement Upon registration

game Age of the Gods

Rating

9.5

New Customers Offer, T&C’s Apply

no bonus code required

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Spins: Wins given as Bonus. 20X WR. Select Games Only. Bonus: £20 min.dep. 40X WR on bonus. Game weighting Applies. Valid 30 days. Max bonus bet: £5 Slots, 10% Bonus on others

Best welcome bonuses for new players

If you’re new to the world of online casinos, you will find it surprising at just how many places will seem to want to give you something for nothing. Indeed, it is possible to play for free at many casinos. However, more often than not, players are going to find any ‘free bonus’ ultimately has to pay for itself with extensive wagering requirements. So don’t get surprised if you have to bet 20-30x your initial stake just to release your winnings. What is more, expect a necessity to make at least one actual cash deposit before any winnings you earn on slots can make it into your pocket.

Ultimately, no-deposit bonuses are the cheapest way to play for cash at online casinos. However, wagering limits and relatively small starting stakes might appeal to small-time wagerers and novices only. On the contrary, high rollers looking to make more money, quicker, can find much more lucrative sign-up bonuses out there. Those go upwards of £1000 matched deposit welcome gifts and free spins in the hundreds. On the whole, you’ll find no deposit bonuses at hundreds of UK Casinos. A perfect example is the 25 no-deposit free spins for new customers at Mr Green Casino.

You’ll always get the best returns when you stake at least some money down as a deposit. Make the most of matched bonuses with lucrative offers of up to 400% returns. Almost every casino rewards new members with a cash credit bonus. They can use this bonus to play on online slots and other casino games. What is more, these usually have laxer wagering restrictions than no-deposit schemes. For serious high rollers, there’s great VIP only rewards at BGO Casino. For instance, players can earn up to £200 when they join and 10 free spins to use on online slots and instant wins.

Number of spins

2020 free spins

Bonus package

up to 1500$+2020 free spins

Rating

7.6

New Customers Offer, T&C’s Apply

WELCOME1

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New Casino players only. Min deposit $25 with bonus code WELCOME1. Max bonus $1500. Deposit debited & replaced with bonus; playthrough required within 28 days. Free Spins wins paid as bonus with playthrough requirements once all spins played. You may forfeit the bonus, reverting deposit to withdrawable cash. BeGambleAware.org. Please play responsibly. 18+

Number of spins

500 free spins

Bonus package

500 free spins

Rating

7.1

New Customers Offer, T&C’s Apply

no bonus code required

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New customers only. Min dep £10/£50. Claim period 14 days. Daily Spins claim period 1 day. Winnings from spins 40x wagering within 7 days. Max 500 spins total. Max Winnings on all spins £1,000. Max bet £5. Game restrictions apply.

Number of spins

500 free spins

Bonus package

500 free spins

Rating

6.0

New Customers Offer, T&C’s Apply

no bonus code required

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Top 5 Online Slots in the UK

Players have plenty of choices when it comes to online slots titles. There are hundreds of tried, tested and trusted free online slots to choose from in the UK alone. In fact, they can choose from thousands of essential games from popular software developers like Microgaming, Novomatic and IGT. You’ll find classic 5-reel slots with lemons, bells and bars alongside dynamic video slots inspired by movies and comic books. So, whether you’re new to online slots or just looking for a new favourite, we’ve assembled 5 of the best you can play today at popular UK casinos.