Book of Sphinx

Take another trip back to Ancient Egypt as you explore the hidden tomb within the pyramids in Book of the Sphinx slot. Spin the stone reels as you attempt to match the traditional Egyptian symbols across the five reels in search of multipliers, the Free Spins Bonus and the Eye of Ra Bonus Feature which can randomly replace symbols to create more winning combinations.




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About Book of the Sphinx Slot

Good morrow knights and maidens of Castle Jackpot. Within our wide collection of online slots, one theme has always remained popular with all of our jousters, and that is Ancient Egypt. Transporting our jousters back to a bygone era, the slots include many traditional symbols and an atmospheric setting. Book of the Sphinx slot is no different, as it’s set against the backdrop of an ancient tomb with the reels being guarded by 4 stone statues.

Book of the Sphinx slot is developed by IGT who are behind some of the most popular games in our collection of online casino games, including Cleopatra slot and the sequel to that game, Cleopatra Diamond Spins which shows this isn’t their first attempt at a slot of this theme. But this time they’ve gone all out with the bonus features where jousters have the potential to unlock up to 250 Free Spins with the help of one symbol.

The base game symbols used within this slot all follow the Egyptian theme, with King Tut himself acting as the highest-paying symbol and giving players 100x thy stake if they can land five across a payline. The Golden Scarab Beetle, Anubis Statue, Ankh Crosses and the Golden Cobras also have their part to play, with the lower paying symbols taking the form of the live casino 10, J, Q, K and A. “But where does the Book come into it?” I hear you ask. Well, this acts as the Scatter which will trigger the Free Spins bonus round.

How To Play Book of the Sphinx Slot

Set Thy Stake

Players can adjust their stake in Book of the Sphinx slot by clicking the (+) and (-) below the line bet total on the bottom of the game screen. This will adjust the total bet stake that is active across the 20 paylines.

Spin The Reels

If players are happy with their stake in the Book of the Sphinx slot, they can set the reels in motion by clicking the ornate green play button at the bottom of the game screen.


Just like all of our popular slots at Castle Jackpot, Book of the Sphinx slot also includes an Autoplay feature which can be activated by clicking the blue button at the bottom of the reels. Here, players can set a specific number of rounds they’d like the reels to spin for, and the feature will prematurely end of a jackpot or bonus is triggered.

Book of the Sphinx slot Bonus Features

Eye of Ra Feature

Look for the Eye of Ra appearing across the reels of Book of the Sphinx slot jousters of Castle Jackpot as three on show across the 5x3 reel set up will trigger the Eye of Ra Bonus feature where a randomly chosen symbol apart from the Book scatter will transform and expand to take over the reels and award thee potential wins.

Free Spins Bonus Feature

The Book of the Sphinx which also acts as the Scatter symbol comes into play when triggering the Free Spins Bonus round. If three appear across the reels, players will be awarded 10 Free Spins with a multiplier of 2x your stake. But this can increase if players land for Scatter symbols to 15 Free Spins with 20x multiplier if 4 appear and 30 with a 200x multiplier if appear.

It’s all about the special symbols in the Free Spins Round, and when the bonus is triggered, one symbol will also be chosen to be a special symbol. If jousters art lucky enough to land 3 or more of them on the reels, they will expand to cover the entire screen. This means that if you land the Pharaoh, there is the chance to win up to 2,500x your stake.

This Free Spins bonus feature can also be retriggered by landing more Scatters on the reels with a maximum of 250 spins on offer.

Book of Sphinx Slot Courtyard Commentary

Egyptian slots are always a popular addition to our collection here in the Castle Keep and this slot stands out from the crowd due to the number of Free Spins that jousters can trigger - not to mention the potential multipliers on offer if you can land the highest-paying symbols as your special symbol. If you’d like to play more slots with this theme, why not try Book of Dead or Egyptian King slot.