Play Online Slot Games in the UK Prime Casino
Our expert reviews – supported by real player feedback – highlight the top-rated slot sites offering the most exciting games, highest RTPs and consistently reliable payouts. These individual slot games can still pay out staggering jackpots, including the €17.9 million won on Mega Fortune by a Finnish player. That massive win came just two weeks after a WowPot jackpot of £15.2 million was won by a UK slots player on the Book of Atem online slot. The biggest online progressive jackpot payouts have primarily come from the WowPot and Mega Moolah series of slot games.
Jackpot King
Bonus funds expire in 30 days, unused bonus funds will be removed. Min. deposit £20. Min. £10 in lifetime deposits required. Claim up to £50 on your first deposit. All offers valid for 7 days after claiming. Min deposit £10 (excl PayPal & Paysafe).
Yes, in fact 63% of people play slots on their phone (according to the WhichBingo UK Bingo and Casino Player Survey 2026). A 96% RTP slot returns £96 for every £100 wagered across millions of spins. We consider 96% or above to be a high RTP game.RTP (return to player) is the percentage of all money staked that a slot pays back over time.
Razor Shark (Push Gaming)
Discover a broad range of online slots and find games that suit your style. Our online casino is licensed by both the UK Gambling Commission, demonstrating our commitment to player safety and ensuring all of our online slots are fair. Video slots are the most common type of online slot, with five or more reels, detailed themes and bonus rounds such as free spins and multipliers. You can also explore the latest UK slot sites featuring generous welcome bonuses, free spins and ongoing reload offers, giving you more ways to play without stretching your bankroll. Our UK online slots team especially enjoys the random daily prize drops, which give everyone who plays a chance to win – not just those who make it onto the weekly leaderboard. Based on current player trends and expert insights, here are the most popular online slots in the UK right now, plus trusted sites where you can play them safely.
HTML5 games
This creates up to 117,649 ways to win per spin, with the exact number changing every round. Popular video slots at Unibet include Book of Dead by Play’n GO and Starburst by NetEnt. Video slots are the modern evolution of the classic format. If slots not on gamstop you prefer a no-frills experience, classic slots are a great place to start. Classic slots are inspired by traditional pub fruit machines.
- For more tips on playing safely, see our responsible gambling guide.
- Now part of the Evolution Group, the studio produces visually polished games often featuring dynamic reels, engaging bonus rounds, and daily jackpots.
- Autoplay and quick spin features are banned, every spin must last at least 2.5 seconds, and Bonus Buy features are prohibited for UK players.
- NetEnt was the first to break the 100k barrier with Dead or Alive 2, offering a maximum payout of 111,111x your stake.