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