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