You may have heard of several online slot games focusing on books and Ancient Egypt's wonders. But this release from SG Digital isn’t one of those. Instead, the Book of Fusion slot game provides a look at some wonders of science on its reels, and it’s all set out in a laboratory where you can do your own scientific research. That’s pretty neat, right? The game has five reels to spin, and the developer added 10 paylines to this interface. Book of Fusion also has an expected RTP rate of 93.98%, and you can win a maximum payout of 500x your in-play wager.
The game is very nicely designed, and it also has one or two specialities incorporated into the gameplay to bring some extra enjoyment to a session. A wild symbol appears on the reels, first and foremost, which is also the slot’s scatter. Therefore, it will substitute in wins and also provide a scatter payout. It takes three of these wild scatters to activate the game’s free spins round, where two standard symbols are chosen randomly to become special symbols throughout. You can also buy a pass into the free spins round of the Book of Fusion online slot.
Look at our review of this SG Digital slot game to learn more about it, and then when you’re ready to give it a go, try it out below in free play demo mode first.
Exclusive Offer
Our Score
#Ad.18+. New players only. Min. Deposit £10. Bonus: 1st deposit 100% up to £300 + 30 bonus spins (Reactoonz™), 2nd deposit 50% up to £500 + 50 bonus spins (Book of Dead™), 3rd deposit 25% up to £200 + 20 bonus spins (Legacy of Egypt™). Spins on specified games only;winnings from spins credited as bonus funds. Bonus money is separate to cash funds & subject to 35x wagering requirement. £5 bonus max. bet. Bonus must be used within 30 days, spins within 10 days, otherwise any unused will be removed. Only bonus funds contribute towards wagering requirements. Terms apply. BeGambleAware.org
Big Welcome Offer
Our Score
#Ad.18+. New players only. Min deposit £10. Bonus funds are 121% up to £300 and separate to Cash funds. 35x bonus wagering requirements apply. Only bonus funds count towards wagering requirement. £5 max. bet with bonus. Bonus funds must be used within 30 days, otherwise any unused shall be removed. Terms Apply. BeGambleAware.org
Unique Bonus
Our Score
18+. New players only. No restrictions while playing with cash. Min. refund bonus is £10. Wagering on bonus is 60×. Refund bonuses granted next day when 1st deposit has been lost. When playing with refund bonus max bet is £5. Eligibility is restricted for suspected abuse. Skrill & Neteller deposits excluded T&C's Apply.
Wager Free Spins
Our Score
Trusted UK Brand
Our Score
#AD. 18+ New customers only. Opt in, deposit and wager £20 on selected games within 7 days of opening new account. Get 200 Free Spins on Big Bass Splash no wagering. Spins Expire in 7 days. Card payments only. T&Cs Apply. begambleaware.org | Please Gamble Responsibly.
Accepts All Players
Our Score
#AD. 18+ New customers only. Cashback is given on the deposit amount during the previous day from 00:00 to 23:59(UTC). The cashback percentage depends on the deposit sum for the previous day.
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#Ad.18+. New players only. Min deposit £10. Bonus funds are 121% up to £300 and separate to Cash funds. 35x bonus wagering requirements apply. Only bonus funds count towards wagering requirement. £5 max. bet with bonus. Bonus funds must be used within 30 days, otherwise any unused shall be removed. Terms Apply. BeGambleAware.org
#Ad.18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Extra spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 30 extra spins on 1st deposit, 25% match up to £800 + 25 extra spins on 2nd deposit, and 50% match up to £200 + 50 extra spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Terms apply. BeGambleAware.org.
18+. New players only. No restrictions while playing with cash. Min. refund bonus is £10. Wagering on bonus is 60×. Refund bonuses granted next day when 1st deposit has been lost. When playing with refund bonus max bet is £5. Eligibility is restricted for suspected abuse. Skrill & Neteller deposits excluded T&C's Apply.
#Ad. 18+, New UK players only. 10 no-deposit Spins credited on Squealin' Riches after mobile verification. Deposit £10 for 30 Free Spins on The Dog House Megaways at 20p each. Code: DOGHOUSE30. Expiry 48 hours of qualifying. All winnings are uncapped and credited in cash. Full T&Cs apply. Gamble Responsibly.
#Ad.New customers. Opt in. Wager £10 on selected games in 7 days of sign up. £70 bonus = 2 x £20 and 3 x £10 bonuses for selected games, up to 40x wagering,7 days expiry. Max redeemable £1,750. Card Payments & Paypal only. Geo Restrictions. Additional terms for existing BetVictor customers apply. Additional terms for existing BetVictor customers apply. T&Cs apply. 18+ | Please Gamble Responsibly.
#Ad. 18+. New players only. Min. Deposit £10. Bonus: 1st deposit 100% up to £300 + 30 bonus spins (Reactoonz™), 2nd deposit 50% up to £500 + 50 bonus spins (Book of Dead™), 3rd deposit 25% up to £200 + 20 bonus spins (Legacy of Egypt™). Spins on specified games only;winnings from spins credited as bonus funds. Bonus money is separate to cash funds & subject to 35x wagering requirement. £5 bonus max. bet. Bonus must be used within 30 days, spins within 10 days, otherwise any unused will be removed. Only bonus funds contribute towards wagering requirements. Terms apply. BeGambleAware.org
18+. New players only. One offer per player. Max bonus bet £5. Offer: 100% bonus match on 1st deposit + bonus spins. Value of bonus & number of spins depend on deposit amount: £20-£99: max £100 bonus + 50 spins on selected games; £100-£200: max £200 bonus + 100 spins on selected games; or £200+: max £300 bonus + 150 spins on eligible NetEnt Games. Winnings from spins credited as bonus and capped at £100. Bonus funds are separate to cash funds & subject to wagering requirement (35x deposit + bonus). Only bonus funds contribute to wagering requirement. Bonus funds expire within 30 days; bonus spins within 72hrs. Affordability checks apply. Terms Apply. Please gamble responsibly. BeGambleAware.org.
18+. Full T&Cs apply. New customers only. min deposit £20. wagering 40x bonus. max bet £5 with bonus funds. 100% up to £99 bonus + 99 free spins on 1st deposit. Eligibility is restricted for suspected abuse. no max cash out on deposit offers. Welcome bonus excluded for players depositing with skrill or Neteller.
18+. New Players Only. 1 bonus offer per player. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £20. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £500 + 50 bonus spins on your 1st deposit, 25% match up to £1000 + 50 bonus spins on your 2nd deposit, and 50% match up to £500 + 25 bonus spins on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus funds, deposit and Bonus spins. Only bonus funds count towards wagering contribution. Terms apply. Please gamble responsibly. BeGambleAware.org. Full T&C's Apply.
18+. New players only. Min. deposit £20. Max. bonus bet £5. Bonus spins on selected game only and must be used within 72hrs. Winnings from Bonus spins credited as bonus funds and capped at £20. Bonus funds expire within 30 days. Offer is 100% bonus match up to £300 + 60 Bonus spins on your 1st deposit. Bonus funds are separate to cash funds & subject to wagering requirement (40x deposit + bonus). Only bonus funds contribute towards wagering requirement. Affordability checks apply. Terms apply. Please gamble responsibly. BeGambleAware.org.
The base theme that is running through this online slot centres on a scientist and the crazy experiments that have been going on within his lab. That lab can be seen in the background, with test tubes, conical flasks, beakers and other assorted items filled with potions of various colours. You’ll also be able to see a variety of machines to help with crafting the next greatest invention that the world has ever seen. And SG Digital has made the game even more entertaining with the soundtrack included in the slot, giving it an almost Dexter’s Laboratory feel to it. Everything has been designed perfectly, and you can find a similar vibe in the Perfect Potions Megaways slot, which SG also developed.
Upon the five reels of the Book of Fusion video slot, you will see a nice choice of symbols. These all help to bring the game's theme to life, although the initial symbols (and thereby lower paying ones) are represented by numbers and letters relating to playing cards. They run from the lowest of 10 and then increase up through J, Q, K and A. Next in line is a magnet that has various wires attached to it. You’ll also see a machine with dials on it, followed by a switch that will be flipped to provide power. A giant golden orb emitting electrical power from it is another symbol, while the crazy scientist himself serves as the game’s most premium symbol. From him, you can win up to 500x your bet.
The wild symbol, which is also the scatter, comes in the shape of the titular book surrounding fusion power. As a wild, it can substitute in forming winning combinations on the paylines, and at the same time, it can provide the maximum payout of 500x your bet.
And it is your bet that should be chosen upon loading the Book of Fusion slot up. To do this, you need to use the coins button on the right-hand side of the reels. This provides a + and – button to utilise, offering wagers of between €0.10 and €35 per spin. Remember that the game has an RTP rate of 93.98% attached to it, which is far below the general average for video slots.
You will find five reels and three rows making up the layout of this SG Digital slot release. And it is across this interface that the game’s 10 fixed paylines are involved. Wins on them must occur on adjacent reels, beginning with the leftmost reel. Only the highest winning payout per payline is provided, and it takes at least three identical symbols to form a win.
The primary inbuilt feature of this slot is its free spins round, and it is the scattered wild symbol which is responsible for activating this. Three or more of them showing up anywhere will trigger 10 free spins for you. At the start of the round, two of the slot’s standard symbols are chosen randomly to become special symbols throughout the feature. And if you re-trigger the free spins, two additional symbols are selected randomly. These special symbols will expand across the reels they appear on while free spins are in play.
If you would rather play the free spins feature instantly, you can do so by using the Buy Pass button in the screen's bottom-left corner. The cost will be displayed on-screen for you to see, and you need to press confirm to begin free spins. It takes 70x your overall stake to utilise the Buy Pass feature.
Book of Fusion follows a very well-known setup, as many of the ‘Book of…’ games run similarly. The free spins round is nice enough, and so is the inclusion of a scattered wild symbol. It’s also true to say that SG Digital has utilised an inviting base theme throughout. The RTP rate of Book of Fusion is somewhat concerning, considering it is a recent video slot release. That won’t stop you from having a fun time if you do choose to spin its reels, though.