Star Gems Slot Series from Booongo

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As mentioned before, Booongo has some slot games in its collection and a few series on its hands. One of those series is the Book of Sun series. It’s obvious from the title that the theme featured in the series is the Ancient Egyptian theme.

There are 3 titles in the series so far and they all have 5 reels and 10 fixed paylines. Polished graphics and smooth gameplay come naturally as well as a fitting soundtrack and various features to keep things fresh. All in all, a very interesting series of slot games.

Book of Sun Slots List

Book of Sun: Choice Slot Review
Apr 2020
Book of Sun: Multi Chance Slot Review
May 2019
Book of Sun Slot Review
Nov 2018


The first title in the series is known simply as Book of Sun and it has a wild symbol that serves as a substitute and helps players get winning combinations. A combination of 5 wild symbols can also get them a jackpot of 5,000 coins.

The Scarab serves as the scatter symbol and it rewards players with free spins when it appears a few times on the reels. The number of free spins ranges from 6 to 10 and it depends on the number of scatters that land with a minimum of 3.

During free spins, the wild symbols will transform into stacked symbols that will increase your wins significantly. There’s also the option to re-trigger the free spins with just two scatter symbols.

The second title in the series is known as Book of Sun: Multi Chance and it features the Book serves as a wild and scatter symbol. As a wild symbol, it serves the traditional role as a substitute. When it’s a scatter symbol, players need at least 3 such symbols to trigger rewards such as free spins.

While the free spins last, players get a special symbol and it expands and takes over the reel that it’s on. If players manage to retrigger the free spins then the number of symbols increases and so do their wins.

The third title in the series is known as Book of Sun: Choice and it has pretty similar features as the second game. When the Book is a scatter and 3 such symbols are present free spins are triggered and they trigger 12 rounds.

When this happens players get to choose the special that appears on the reels. If the players re-trigger the feature they have to choose another one. Finally, all of the titles are available on multiple platforms.

Book of Sun Series Design

All three games have the reel window set on a wall of an Egyptian temple behind which is a desert. Also, all the titles have it in the center of the screen. The current bet and balance are shown beneath the window and the buttons that are part of the player’s table area to the right of the window.

Through them, the players can turn on the auto-spin feature as well as change the game’s settings. The table below the window allows players to increase or decrease the bet amount.


All three games have different wagering limits. The first one comes with limits from 0.10 to 50.00 credits. The second title comes with limits stretching from 0.10 to 30.00 credits and the third title‘s limits span from 0.20 to 30.00 credits. Operators also have a say when it comes to the setting of the wagering limits.


The Book of Sun series is proof of the effort Booongo puts into making slot games. Each title is an upgrade of the previous one when it comes to the features. That gives players 3 titles to choose from and distinct features to each one. With that said, the Book of Sun is a must-play series for any slot fan.

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