Book of Slots

35 free demo slots with book of theme

"Book of" slots aren't a theme - they're a format. The book serves as both wild and scatter, free spins expand a random symbol across the reels, and the grid is almost always 5x3. Book of Dead set the template. Everything after follows it with different art. The few that break the mold - Book of Monsters on a 7x7 cluster grid, Canny the Can on 5x4 - play like completely different games.

Book of the Aztec's LegendFeb 2026

Zillion Games

RTP 95.35%High1,675x

Book of CrownJan 2026

PoggiPlay

RTP 96.05%Med5,000x

Book of the Golden LionJan 2026

Zillion Games

RTP 95.35%High1,675x

Book of GaneshaNov 2025

Endorphina

RTP 96.03%High5,000x

Book of ArabiaAug 2025

Wicked Games

RTP 96.14%V.High10,000x

Book of Arcane 100May 2025

Just Slots

RTP 96.36%Med-High100,000x

The Book of ValkyrieMay 2025

Zillion Games

RTP 96.1%High4,535x

Book of MonstersMar 2025

Pragmatic Play

RTP 96.5%V.High5,000x

Book of CandyFeb 2025

Pragmatic Play

RTP 96.5%High5,000x

Book of the Golden DragonJan 2025

Zillion Games

RTP 95.35%High1,675x

Amuns Book HD DeluxeJan 2025

Zeusplay

RTP 96.24%Med-High8,480x

Book of Wealth IIIDec 2024

Mancala Gaming

RTP 95%High5,100x

Book of ZuluDec 2024

Gamzix

RTP 96.02%Med-High2,500x

Book of RunesApr 2024

Mancala Gaming

RTP 95%Med1,230x

Book of ValhallaJan 2024

Zillion Games

RTP 96%Med-High1,197x

Book of SorceryOct 2023

Amigo Gaming

RTP 96%High6,000x

John Hunter and the Book of Tut MegawaysSep 2023

Pragmatic Play

RTP 96%V.High10,000x

Book of Tut MegawaysSep 2023

Pragmatic Play

RTP 96%V.High10,000x

Amuns Book HD 6May 2023

Zeusplay

RTP 95.15%Med-High5,000x

Book of the Priestess Bonus BuyMar 2023

Evoplay

RTP 95.96%Med-High6,088x

Book of the PriestessFeb 2023

Evoplay

RTP 95.96%Med-High6,029x

Book of SamJan 2023

ELK Studios

RTP 94%High10,000x

Book of TimeNov 2022

Hacksaw Gaming

RTP 96.13%High10,000x

John Hunter and the Book of Tut RespinOct 2022

Pragmatic Play

RTP 96.5%Med4,000x

Book of Golden SandsSep 2022

Pragmatic Play

RTP 96.46%High10,000x

Book of Aztec KingMar 2022

Pragmatic Play

RTP 96.5%High5,500x

Book of ZeusDec 2021

Amigo Gaming

RTP 96%High6,000x

John Hunter and the Book of the FallenNov 2021

Pragmatic Play

RTP 96.5%High5,000x

Hot

Book of the FallenNov 2021

Pragmatic Play

RTP 96.5%High5,000x

Book of SpellsNov 2021

Zillion Games

RTP 95.16%Low785x

Book of ToroNov 2021

ELK Studios

RTP 95%High10,000x

Book of VikingsJul 2021

Pragmatic Play

RTP 96.5%High6,600x

Book Of HorFeb 2021

Zillion Games

RTP 94.65%High636x

Book of KingdomsNov 2020

Pragmatic Play

Play'n GO

The expanding-symbol formula and its exceptions

Almost every entry here runs the same core loop: land three books, get free spins, a random symbol expands to fill entire reels. Book of the Fallen and Book of Dead play this at its cleanest - both rate well. The rest differentiate through skin, not structure. Book of Aztec King wraps it in Aztec art. Book of Candy swaps to sweets. Book of Ganesha goes Indian. The expanding-symbol mechanic stays identical.

The outliers are worth finding. Book of Monsters throws the template out for a 7x7 cluster grid, and it's one of the highest-rated entries here. John Hunter and the Book of Tut Megaways runs a variable-reel grid where expanding symbols work across shifting reel heights. Book of Arcane 100 pushes max win to 100,000x - wildly above everything else on this page.

ELK's two entries (Book of Sam, Book of Toro) run the standard formula but at 94-95% RTP, noticeably below the rest of the page.