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