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