Book of Slots
35 free demo slots with book of theme
"Book of" slots are actually a format rather than just a theme. The book symbol works as both the wild and the scatter, and during free spins, a random symbol expands across the reels. The game board is almost always a standard 5x3 grid. Book of Dead set the standard for this layout, and most games that came later just copied the mechanics with different artwork. A few games break the rules - like Book of Monsters on a 7x7 grid or Canny the Can on a 5x4 board - but they end up feeling like entirely different games.
Zillion Games
PoggiPlay
Zillion Games
Endorphina
Wicked Games
Just Slots
Zillion Games
Pragmatic Play
Pragmatic Play
Zillion Games
Zeusplay
Mancala Gaming
Gamzix
Mancala Gaming
Zillion Games
Amigo Gaming
Pragmatic Play
Pragmatic Play
Zeusplay
Evoplay
Evoplay
ELK Studios
Hacksaw Gaming
Pragmatic Play
Pragmatic Play
Pragmatic Play
Amigo Gaming
Pragmatic Play
Pragmatic Play
Zillion Games
ELK Studios
Pragmatic Play
Zillion Games
Pragmatic Play
Play'n GO
What to expect from these games
Most of the games on this list follow the exact same rules. If you land three book symbols, you win free spins where one random symbol expands to cover whole reels. Book of the Fallen and Book of Dead are two of the most popular examples of this basic setup. The other games mostly just change the artwork. Book of Aztec King uses an Aztec theme, Book of Candy is about sweets, and Book of Ganesha uses Indian mythology. The actual gameplay stays exactly the same.
A few games do things differently. Book of Monsters drops the standard layout completely for a large grid where symbols pay in clusters, and players rate it very highly. John Hunter and the Book of Tut Megaways changes the board size on every spin, so the expanding symbols have to work across different reel heights. Then there is Book of Arcane 100. This one has a maximum win of 100,000x your bet, which is much higher than anything else here.
You should also check the stats on the two games from ELK Studios, Book of Sam and Book of Toro. They use the normal expanding symbol rules, but their return to player rates sit around 94% to 95%. That is noticeably lower than the other games on this page.