Book of Poseidon

Book of Poseidon Slot Logo

The Book of Poseidon is an ancient Greek mythology online slot played on a 5x3 grid with unlimited Free Spins, expanding symbols and wild symbols.

Play Button

Book of Poseidon Game Overview

The bet sizes available in the Book of Poseidon slot game range from £2.50 to £15.

The Book of Poseidon online slot game has 5 reels, 3 rows, and 10 paylines.

Land 3 or more matching symbols on a payline starting from the leftmost reel to form a winning combination.

You can play the Book of Poseidon slot here at Wizard Slots! You can also play hundreds of other slots to play online; check out our collection.

How To Play Book of Poseidon

  • Log in to your Wizard Slots account or register a new one if you still need to become a member.
  • Launch the game and wait for it to load.
  • Use the Stacked Coins buttons on the right side of the reels or the +/- button below the reels to place your bet.
  • You can choose from a minimum bet of £2.50 to £15 per spin.
  • For more information, click on the Information button to access the paytable and the general rules.
  • Then press the Spin button to spin the reels.

You can play this slot on any device, including mobile devices, tablets and desktops. It uses the HTML5 software, which makes it compatible with mobile devices and operating systems.

Wild Symbol

The Book is the wild symbol of this game, but it also acts as the scatter symbol. It can replace other symbols except the expanding symbols to help you complete potentially winning combinations. 

Scatter Symbol

As a scatter symbol, the Book activates the Free Spins feature.

Expanding Symbols

The game will randomly choose a symbol at the start of the Free Spins feature. This symbol will become an expanding symbol. 

You can transform up to 9 symbols into expanding symbols.

Unlimited Free Spins

To trigger the Unlimited Free Spins feature, you must land 3 or more Book scatter symbols anywhere on the reels. 

You will receive 8 Free Spins, but before your Free Spins begin, you will receive the payout the triggering scatter symbols offer. So, if you land:

  • Land 3 scatter symbols = 2x your stake.
  • Land 4 scatter symbols = 20x your stake.
  • Land 5 scatter symbols = 200 x your stake.

Then the game will choose a symbol to become the expanding symbol. If the expanding symbol lands, it will spread to cover the entire reel. That may increase your chances of landing winning combinations. 

Additionally, you can retrigger the bonus feature by landing 3 or more additional scatter symbols. Retriggering the Free Spins adds another expanding symbol.

Gamble Feature

The Gamble feature can be activated on any win you may create from the base game. 

You will have 2 gambling options. There is a double-or-nothing gamble feature and a quadruple-or-nothing option. 

For double-or-nothing, you must guess the next card’s colour; if you guess it right, you double your wins. To quadruple your wins, you must guess the next card’s suit. 

Get it wrong, and you lose your winnings.

Book of Poseidon RTP

Return To Player (RTP): 95.68%

The RTP is a theoretical value and is shown as a percentage. It’s used to describe the percentage of money wagered a particular casino game may pay back to players over a certain period of time.

For example, if a game had a RTP of 92%, in theory, this would mean that for every £100 wagered, the game could return £92 back to players in potential winnings. However, it is important to note that winnings are completely random, and players are not guaranteed to receive this.


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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time.