Best Slot Games



Online slot games are the most popular casino games with players, and with all the variety out there, this comes as no surprise. Because of this, players can find thousands of slot games at countless online casinos, and not all of them are of the highest quality. However, if you’re looking to play the best slot games at the best slot sites in the UK, then you’ve come to the right place.

All the online slots UK games we’ve chosen offer hours of fun with stunning graphics, jackpots, high payouts, and features such as the Megaways mechanics. All the top slot sites we recommend have a huge games library, generous welcome bonuses, fast withdrawal times and are safe and secure to play at.

Best Online Slot Casinos Available

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  1. ‘Online Casino of the Year’ 2017 & 2018
    Win Prizes in Daily Online Slots Tournaments
    Official Partner of F1 McLaren Racing Team
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    50x
    Payout Time
    The usual withdrawal processing time
    1-2 Days
    Online Slots
    The total number of online slot games available
    1445
    Jackpot Slots
    The number of jackpot slot games available
    248
    Slot Providers
    The number of different slot game software providers
    11
    Part of the multinational gaming group Entain, Party Casino offers a huge range of progressive jackpots and exclusive online slots tournaments, with 24/7 support.
  2. Over 100 Live Dealer Tables
    Regular Casino Tournament Prizepools
    Monthly Loyalty Cashback Insurance
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    35x
    Payout Time
    The usual withdrawal processing time
    1-3 Days
    Online Slots
    The total number of online slot games available
    1171
    Jackpot Slots
    The number of jackpot slot games available
    31
    Slot Providers
    The number of different slot game software providers
    12
    HeySpin Casino is one of many themed casinos on the Aspire Global International platform and boasts over 100 live dealer roulette and blackjack tables.
  3. Official Megaways™ Slot Games Partner
    Exclusive Games such as Tiki Totems Megaways
    Trial Megaways Games for Free in Demo Mode
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    1x
    Payout Time
    The usual withdrawal processing time
    24 Hours
    Online Slots
    The total number of online slot games available
    360
    Jackpot Slots
    The number of jackpot slot games available
    17
    Slot Providers
    The number of different slot game software providers
    19
    Megaways Casino offers a wide selection of the popular Megaways™ slots with progressive jackpots, unlimited multipliers and extra win lines. They also offer traditional table games and a live casino.
  4. 'Online Casino of the Year' 2018-2022
    'Mobile Casino Product of the Year' 2021
    Exclusive 'LeoJackpot' Online Slot Games
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    50x
    Payout Time
    The usual withdrawal processing time
    1-5 Days
    Online Slots
    The total number of online slot games available
    2028
    Jackpot Slots
    The number of jackpot slot games available
    92
    Slot Providers
    The number of different slot game software providers
    58
    Leo Vegas Online Casino has won multiple industry awards for casino sites, including 'Online Casino of the Year' at the Global Gaming Awards five years in a row.
  5. 'Best Casino Operator' 2015, 2019 & 2021
    Listed on London Stock Exchange Since 2005
    Exclusive In-House Live Casino Tables
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    30x
    Payout Time
    The usual withdrawal processing time
    1-3 Days
    Online Slots
    The total number of online slot games available
    945
    Jackpot Slots
    The number of jackpot slot games available
    207
    Slot Providers
    The number of different slot game software providers
    45
    888casino is a multiple award-winning online casino that boasts a huge range of top games, including over 1000 online slots, plus exclusive in-house games.
  6. Popular Rainbow Riches Slot Game Series
    Regular Free Spins Promotions
    Stylish & Uncomplicated Games Lobby
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    1x
    Payout Time
    The usual withdrawal processing time
    1-3 Working Days
    Online Slots
    The total number of online slot games available
    120
    Jackpot Slots
    The number of jackpot slot games available
    8
    Slot Providers
    The number of different slot game software providers
    7
    Rainbow Riches Casino is named after the popular Irish themed Rainbow Riches slot game from Barcrest. But you’ll also find many other online casino games, plus live casino and bingo.
  7. Regular Free Spins & Deposit Match Bonuses
    Over 100 Live Dealer Tables
    Sign Up Takes Less Than a Minute
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    35x
    Payout Time
    The usual withdrawal processing time
    3-5 Days
    Online Slots
    The total number of online slot games available
    988
    Jackpot Slots
    The number of jackpot slot games available
    11
    Slot Providers
    The number of different slot game software providers
    52
    Playluck Casino is on the renowned Aspire Global International platform and boasts a huge variety of live dealer tables for all stake levels.
  8. Awarded ‘Operator of the Year’ 2020
    Various Exclusive Monopoly Slot Games
    Free-To-Play 'Monopoly Daily Free Parking' Game
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    1x
    Payout Time
    The usual withdrawal processing time
    1-3 Days
    Online Slots
    The total number of online slot games available
    1950
    Jackpot Slots
    The number of jackpot slot games available
    26
    Slot Providers
    The number of different slot game software providers
    27
    Monopoly Casino is built around the family favourite board game, but it’s not just Monopoly-themed slots you’ll find here - register to pass Go and take a Chance on over 2000 casino games.
  9. 4 Days of Welcome Bonuses
    Monthly Tournaments & Rewards
    Quick & Simple 2-Step Sign-Up Process
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    35
    Payout Time
    The usual withdrawal processing time
    1-2 Days
    Online Slots
    The total number of online slot games available
    708
    Jackpot Slots
    The number of jackpot slot games available
    5
    Slot Providers
    The number of different slot game software providers
    79
    Casiplay Casino is a slick and fully responsive casino site that looks good no matter what device you play on. Unfortunately its loyalty rewards program does not currently extend to UK casino players.
  10. Extensive Library of Slots & Jackpot Slot Games
    Weekly 'Rainbow Friday' Cashback
    Earn Spins on 'The Wheel of Vegas'
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    35x
    Payout Time
    The usual withdrawal processing time
    1-3 Days
    Online Slots
    The total number of online slot games available
    3121
    Jackpot Slots
    The number of jackpot slot games available
    189
    Slot Providers
    The number of different slot game software providers
    167
    Mr Vegas Casino stands out with its vast games inventory, including thousands of slots titles. It also offers a 'Rainbow Treasure' reward program - the more you stake during the week, the more cash-back you get the following Friday (up to £300 per day).
  11. 11
    Virgin Games Casino
    Established 2004
    More Details
    Virgin Red Rewards: Redeem Points for Cash
    Famous Brand & Fast Withdrawal Processing
    'The Vault' - Daily Free Games & Promotions
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    1x
    Payout Time
    The usual withdrawal processing time
    24 Hours
    Online Slots
    The total number of online slot games available
    430
    Jackpot Slots
    The number of jackpot slot games available
    36
    Slot Providers
    The number of different slot game software providers
    43
    Virgin Games is part of the world-renowned Virgin Group, which also includes the likes of Virgin Active, Virgin Media & Virgin Airlines. As you would expect from this brand, customer service and prompt payouts are a priority.
  12. 12
    Kwiff Casino
    Established 2015
    More Details
    Innovative Mobile First Casino & Sportsbook
    Multi-Game Casino Tournaments
    Supercharged Roulette (x2 or x5 Payouts)
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    20x
    Payout Time
    The usual withdrawal processing time
    3-5 Days
    Online Slots
    The total number of online slot games available
    487
    Jackpot Slots
    The number of jackpot slot games available
    4
    Slot Providers
    The number of different slot game software providers
    6
    Kwiff started life as an 'industry disruptive' sports betting app, but has now expanded into casino and boasts a wide range of slots, scratchcards, table games and kwiff themed live roulette & blackjack tables.
  13. Largest Retail Bingo Operator in the UK
    Daily Drop™ Must Go Jackpots
    Weekly Tournaments (Prize Multipliers)
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    20x
    Payout Time
    The usual withdrawal processing time
    24 Hours
    Online Slots
    The total number of online slot games available
    820
    Jackpot Slots
    The number of jackpot slot games available
    135
    Slot Providers
    The number of different slot game software providers
    12
    Buzz Bingo Casino is the online casino offering from the award winning UK Bingo operator, which boasts a nationwide network of Bingo clubs.
  14. Official Partner of the Red Bull F1 Team
    $10,000 Daily Casino Race Leaderboards
    PokerStars Rewards: Exchange StarsCoin for Cash
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    CASINO200
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    1x
    Payout Time
    The usual withdrawal processing time
    3-5 Days
    Online Slots
    The total number of online slot games available
    574
    Jackpot Slots
    The number of jackpot slot games available
    14
    Slot Providers
    The number of different slot game software providers
    18
    PokerStars Casino is bought to you by the world renowned poker operator which is part of the global gaming group Flutter Entertainment, who also own the likes of Paddy Power and Betfair.
  15. Glamorous 'Women First' Online Casino
    Regular 'Royal Rewards' Promotions
    VIP Lounge - 6 Level Reward Program
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    35x
    Payout Time
    The usual withdrawal processing time
    2-3 Days
    Online Slots
    The total number of online slot games available
    580
    Jackpot Slots
    The number of jackpot slot games available
    11
    Slot Providers
    The number of different slot game software providers
    66
    Queen Play Casino is one of a number of casino sites on the renowned Aspire Global International platform and aims to be 'the number one destination for women in the UK who enjoy online gambling'.
  16. No Frills, Slots-First Casino
    £1,000,000 'Drops & Wins' Every Month
    Redeem 'PlaySunny' Points for Free Spins
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    40x
    Payout Time
    The usual withdrawal processing time
    2-4 Days
    Online Slots
    The total number of online slot games available
    918
    Jackpot Slots
    The number of jackpot slot games available
    46
    Slot Providers
    The number of different slot game software providers
    41
    PlaySunny Casino offer a wide selection of 'only the hottest' slot games, including over 40 jackpot slots. They also have a more limited number of table games, instants and live casino games.
  17. Long Established UK Sportsbook & Casino
    Brand Ambassadors Harry Redknapp & Michael Owen
    Live Chat Support Available 24/7
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    35x
    Payout Time
    The usual withdrawal processing time
    1-3 Days
    Online Slots
    The total number of online slot games available
    1519
    Jackpot Slots
    The number of jackpot slot games available
    53
    Slot Providers
    The number of different slot game software providers
    11
    BetVictor were one of the pioneers of the online gambling industry and their online casino was launched back in 2000.
  18. Earn Trophies & Get Free Spins of the Mega Reel
    Regular Slot Promos & Free Spin Bundles
    Monthly Prize Draw Giveaways
    Bonus Code
    The code required to claim this sign-up bonus (if any)
    not required
    Bonus Wagering
    The number of times you have to play through your bonus before you are able to withdraw any winnings
    45x
    Payout Time
    The usual withdrawal processing time
    1 - 5 Days
    Online Slots
    The total number of online slot games available
    1498
    Jackpot Slots
    The number of jackpot slot games available
    40
    Slot Providers
    The number of different slot game software providers
    22
    Crystal Slots Casino rewards players for completing tasks with trophies. For every 5 trophies you’ll climb a level and with every level you’ll receive a free spin on the ‘Mega Reel’ to win free spins on selected slots.