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We evaluate slot machines based on multiple criteria, from which we make our final verdict.
Design and theme
90 %
Features and playability
85 %
RTP and volatility
96 %
Slot machine details and review Gold of Sirens Bonus Buy
Gold of Sirens Bonus Buy was designed by Evoplay, and it is a slot machine where you will discover a design inspired by the ocean and its gorgeous creatures. Itβs sirens in this particular case, at least for the majority of its graphics, and you can enjoy it and its symbols through the 5×3 reels that will spin each round. The game area has 20 paylines active at all times.
Every slot machine must be developed by a company that invented, designed and put it into operation. Many players eventually find that they only enjoy playing on machines from specific software provider, so they narrow down their selection by preferred brand.
A high volatility slot. Wins are rare, but can be really big. The game has more pronounced fluctuations and can often go without hitting anything for a long time, suitable for players who like adrenaline, higher risk and work with a larger budget. More about volatility here.
Slot theme and symbols
The sirens, mythological creatures of the ocean that are women with fish tails, are the stars of this particular slot, and you see them both in the statues sitting next to the reels, and in the four premium symbols with which you form combinations. Out of the 8 symbols landing on the five reels of this slot machine, 4 are jellyfish, and the other 4 are the high-paying sirens. The graphics look pretty good, though not that much better than the average ocean-themed slot.
Gold of Sirens Bonus Buy theme and symbols
Gold of Sirens Bonus Buy is going to be the type of slot machine where you will experience significant risk, with the high volatility announced for it being the main issue with it. Otherwise, it looks good as far as rewards (up to 6,119x the stake) and RTP (96.18%) are concerned. Winning is possible either through features or through winning combinations that require 3 to 5 matching symbols to appear on the same line, and from left to right.
Red Siren
White Siren
Purple Siren
Teal Siren
Pink Jellyfish
Yellow Jellyfish
Blue Jellyfish
Green Jellyfish
Special Symbols and Slot Features
3D
NO
Autoplay
YES
Free Spins
YES
Gamble Feature
NO
Locking Symbols
NO
Wild Symbol
YES
Win Multiplier
NO
Other features
Bonus buy
Hold and Win
Other Features
Scatter Symbol
WILD symbol
This is the symbol marked with the WILD logo, and featuring an image of a crown. As a substitute, it contributes to the formation of other combinations. On its own, if it lands 3 to 5 times on a line, it pays 2x to 50x, so itβs also the top-paying symbol in this game.
Jackpot symbol
Jackpot symbols are the ones that carry regular prizes or the two smaller fixed jackpots (Minor or Major). Regular variants pay up to 10x, while Minor pays 20x, and Major pays 50x the stake. These pay only when theyβre part of the Jackpot Game.
Jackpot Game
Whenever there are 6+ Jackpot symbols present at the same time, the slot will trigger the Jackpot Game. It consists of 3 respins, with the triggering Jackpot symbols sticky, and with you trying to get more such symbols to land. Respins reset if new symbols land, in a feature where blank positions are the only alternative. You either run out of respins or you fill the reels to complete the feature. All Jackpot symbols pay at the end, and an additional 3,000x Epic Jackpot will pay if all 15 positions have Jackpot symbols on them.
Scatter symbol
There is a Scatter symbol as well, and itβs also marked with its own name, so you canβt miss it. These scatters can land on all five reels.
Free Spins
If you can get 3, 4, or 5 scatter symbols to appear at the same time, you will be rewarded with 8, 10, or 12 free spins, respectively. The part thatβs different about it comes from the random pick of a low-value symbol each round, to turn all its instances into wilds.
Bonus Buy
Depending on the number of free spins you want to trigger, you can pay 40x the stake for 8 rounds, 50x for 10, or 60x the stake for 12 free spins. You also have the option to spend 34x the stake and get access to the Jackpot Game instead.
Prize table
Symbol
Multiplier
3x in payline
4x in payline
5x in payline
WILD symbol
2x
5x
50x
Red Siren
1.5x
3.5x
40x
White Siren
1.2x
3x
30x
Purple Siren
1x
2.5x
25x
Teal Siren
1x
2x
20x
Pink Jellyfish
0.5x
1x
10x
Yellow Jellyfish
0.3x
0.8x
8x
Blue Jellyfish
0.2x
0.7x
5x
Green Jellyfish
0.1x
0.5x
3x
Our rating of the game
Gold of Sirens Bonus Buy
Whether itβs the wild symbol, the free spins, or the Hold & Win style bonus game, these are all common features in a modern slot machine. Gold of Sirens Bonus Buy doesnβt excel in any one area, though Iβm OK with the advertised high volatility, given the 6,118x top jackpot and the 96.18% RTP. Itβs a solid game for a modern player, giving him the features he expects to find inside. Itβs not going to surprise you, though, so if youβre looking for a unique experience, this one isnβt it.
85%
Editor's rating
Design and theme
85 %
85 %
Features and playability
85 %
85 %
RTP and volatility
96 %
96 %
How do we rate slot machines?
We evaluate slot machines based on multiple criteria, from which we make our final verdict.
With a top prize worth 6,118x the stake, Gold of Sirens can pay fairly well.
It has a 96.18% RTP, so itβs slightly above average for a modern slot machine as far as paid prizes go.
It has a Jackpot Game with respins where you can claim cash prizes or jackpots.
There are also free spins present, and the odds of getting wild symbols to appear are much higher for them.
Itβs a pretty good design, and it has only themed symbols for its reels.
A Bonus Buy option is available and works for both the Jackpot game and free spins.
Cons
Ocean creatures and mermaids are quite common in todayβs slots.
With high volatility, it offers a risky experience that not all players can stomach.
Comes with the same mix of modern features as everyone else, with minor differences.
Manufacturer EvoPlay
Evoplay is a leading iGaming software provider known for developing innovative online slot games, instant-win titles, and casino content. Established in 2017, the company has gained recognition for its high-quality graphics, engaging gameplay features, and mobile-optimized experiences.
18+. New Players Only. Β£10 minimum deposit. 100% up to a maximum of Β£200. The welcome offer can be activated only once. 30 calendar days to activate. 35x wagering. 60 calendar days from activation to complete wagering. The 100% bonus up to Β£200 will be paid out in 10% increments to your Main Account balance. Bonus balance is not payable. Any remaining bonus balance will be forfeited upon withdrawal. T&Cs Apply. GambleAware.org
How do we rate bonuses?
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
18+. New players only. Min dep. Β£20. Valid for 14 days from registration. Welcome Offer: Earn points for cash bets made to unlock wager-free spins on selected games: 2 points for every Β£10 bet on Slots, 1 point for every Β£10 bet on Video Poker and qualifying Side Bets. 0.25 points for every Β£10 bet on Roulette games. Maximum accumulation of redeemable points is limited to 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally you will earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach a total of 2000 points. Spins credited the next day. Spin winnings credited as cash funds and capped at Β£100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours. Terms Apply. BeGambleAware.org.
How do we rate bonuses?
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
Total bonus amount
90 %
Easy to reach
89 %
Bonus conditions
90 %
Casino rating
91 %
Warning: Play and gamble responsibly | Gambling may be addictive 18+ | Underage gambling is an offence | When the fun stops, stop.
I am a writer who specializes in slot machines. I've been writing about them since 2013 and have reviewed thousands of slot machines over the years. I continue to cover the industry and review new releases for Bonusmenu. When I'm off the clock, you'll find me buried in a book or wandering the virtual wastelands of Fallout and the provinces of The Elder Scrolls.
18+. New Players Only. Β£10 minimum deposit. 100% up to a maximum of Β£200. The welcome offer can be activated only once. 30 calendar days to activate. 35x wagering. 60 calendar days from activation to complete wagering. The 100% bonus up to Β£200 will be paid out in 10% increments to your Main Account balance. Bonus balance is not payable. Any remaining bonus balance will be forfeited upon withdrawal. T&Cs Apply. GambleAware.org
18+. New players only. Min dep. Β£20. Valid for 14 days from registration. Welcome Offer: Earn points for cash bets made to unlock wager-free spins on selected games: 2 points for every Β£10 bet on Slots, 1 point for every Β£10 bet on Video Poker and qualifying Side Bets. 0.25 points for every Β£10 bet on Roulette games. Maximum accumulation of redeemable points is limited to 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally you will earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach a total of 2000 points. Spins credited the next day. Spin winnings credited as cash funds and capped at Β£100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours. Terms Apply. BeGambleAware.org.
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Software provider
Game typeSlot
Reels
Winning paylines20 paylines
