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Book of 99 ★ 4.3/5
Editor's choice

Book of 99

Relax Gaming

A 99% RTP book slot from Relax Gaming where you collect 99 Book wilds for a guaranteed free spins trigger, backed by expanding symbols chasing 12,075x.

4.3Rating /5 99 %RTP ×12,075Max win
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The benchmarks

Record holders

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Biggest win

  1. Tombstone Slaughter: El Gordo’s Revenge×500,000
  2. Tombstone RIP×300,000
  3. Super Boost×200,000
  4. Starburst XXXtreme×200,000
  5. San Quentin 2: Death Row×200,000

Best RTP

  1. Mega Joker99 %
  2. Book of 9999 %
  3. Gamba Mamba98.21 %
  4. Xperiment Gold98.21 %
  5. Wild Stars98.20 %

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  4. Rasputin Megaways2,985,984
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