% Bonus up to £50 + Bonus Spins. Over Slots; Best Game Providers; Huge Live Casino Section. JackpotJoy Casino: Best Progressive Jackpot Slots Site. Best Online Casino Site for Slots: Winomania. Find your perfect match and win real money at the most trusted slot casinos in the UK. Find the best UK online casinos with the latest real money slot games, excellent bonuses, online betting, loyalty rewards and more. Play a wide variety of online slots at the best UK slot sites. Mr Vegas. Book of Dead (Play 'n GO) · 2. . These generally come from leading software providers, with Starburst, Book of Dead, Gonzo's Quest and Bonanza being among the most popular slots. Discover the Best Online Slots · 1. Leo Vegas: Best Mobile Slots Site. Videoslots Casino · 4. Casumo · 3. Best UK Slot Sites · 1. You are. Immortal Romance (Microgaming) · 4. Kwiff Casino: Best Free Spins Slot Site. All UK Slot Sites () · Bally Casino · Planet Sport Bet Casino · Casushi Casino · [HOST] Casino · Lottoland Casino · BetUK Casino. PlayFrank · 2. Starburst (NetEnt) · 3. Best Features: Over slot games, including more unique slots like Scratch King. Top UK casinos for playing slots · Duelz · Mr Vegas · Magic Red · MrQ · VoodooDreams · Luckster Casino · Winomania · Hotstreak Slots. Bonanza Megaways. Fun Casino · 5. Magical Vegas Casino: Best Megaways Slot Site.