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We evaluate slot machines based on multiple criteria, from which we make our final verdict.
Design and theme
80 %
Features and playability
85 %
RTP and volatility
96 %
Slot machine details and review Queen of Sirens
Queen of Sirens is one of Evoplayβs slots, and a release thatβs going to stand out thanks to their choice of getting rid of paylines and using a bonus game as the only way to get paid. Itβs Ocean-themed, as you can see from the mention of the sirens, and itβs going to deliver 3×3 reels each round, where the middle row acts as a payline of sorts, but with the aim to trigger a feature, not form combinations.
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 visuals for Queen of Sirens are the right ones for an ocean-themed slot machine. Youβre looking at the queen next to the reels, and sheβs a redheaded siren. Around the reels, you can see ancient ruins of a sunken civilization, likely inspired by the myth of Atlantis, along with schools of fish that dart around from time to time. You donβt get much in the way of themed symbols, given that you canβt form combinations with them. Instead, there are mostly different types of coins, treasure chests, and an octopus.
Queen of Sirens theme and symbols
Even though you donβt have the possibility to form regular combinations, this slot with 3 reels can still deliver some decent wins, but itβs not without risk. Itβs considered a highly volatile release, but with wins of up to 4,313x the stake obtained during testing. The RTP is 95.97%, which is OK, but there are others that do even better in the long run. When you find out about the hit rate of 3.03%, you can see why itβs got that high volatility rating. It only pays in one out of every 33 spins or so, but the rewards tend to be better than in typical slots that also use winning combinations.
Special Symbols and Slot Features
3D
NO
Autoplay
YES
Free Spins
NO
Gamble Feature
NO
Locking Symbols
YES
Wild Symbol
NO
Win Multiplier
YES
Other features
Bonus buy
Hold and Win
Mystery Win
Symbol collection
Bonus Coin
The Bonus Coin is one of the more common symbols you will notice on the slotβs reels. Itβs going to appear with a value on it, worth either 1x, 2x, 3x, or 4x the stake.
Sticky Coin
Itβs also possible to get the Sticky Coin to land, and as the name suggests, this oneβs sticky in the position it lands in. It stays there until you get a bonus feature, and you get to use it. The values are higher for these Sticky Coins as well, the range being from 5x to 9x the stake.
Mystic symbols
You can get two types of Mystic Symbols, and both are available during the feature. Regular Mystic symbols will transform into a random symbol at the end of the feature. Mystic Jackpot symbols will transform into a fixed jackpot (either Mini, Minor, or Major).
Octopus symbol
Another symbol that stands out is the Octopus, a collector that awards prizes from bonus symbols. This includes jackpots. It can appear at any point, during paid spins or the bonus game, though the collection only occurs during the latter stage.
Bonus Game
Triggering the bonus game requires that you get 3 symbols of any type on the middle row, all during the same spin. You will get either the bonus game or the Ultra bonus game. The triggering symbols are going to be sticky on the reels, and then you get 3 respins where you try to get more bonus symbols. The respins reset whenever new bonus symbols land. Once you run out of respins or when you fill all positions, you claim all prizes that are present on the reels at the time. This includes a chance to claim the four jackpots. The Grand Jackpot, worth 500x, is paid as a bonus if you have 9 bonus symbols occupying all positions.
Ultra Bonus Game
Access to the Ultra Bonus Game can be obtained at random as you play through the paid spins. It adds 3+ random symbols, with the middle row filled. This feature starts with the Luck of Aurora modifier, and it also has a higher chance of triggering as you progress.
Luck of Aurora
Luck of Aurora is a special modifier that can randomly trigger for you, both during the Bonus Game and the Ultra Bonus Game (higher chances here). It will add 1 to 9 fire comets to random positions, giving them 2x multipliers. If it happens again for the same cell, then there is a 1x increase to the multiplier. The multiplier applies to the wins collected at the end of the feature.
Bonus Buy
Youβre also given the option to trigger the Bonus Game in exchange for a 30x the stake wager, or the Ultra Bonus Game with a 75x wager.
Prize table
Symbol
Multiplier
Our rating of the game
Queen of Sirens
These sorts of slot machines, inspired by Hold and Win respins and built entirely around them and the chance to claim prizes and jackpots, are becoming increasingly common. There are several developers that have them in their collection, and Evoplay is one of them, with several titles out already. I like that theyβve included a couple of modifiers that you donβt always get from others, so they stand out in that, at least. The high volatility, a 95.97% RTP, and 4,313x jackpot are not making it look too good, but neither are they things you should run away from. Experienced players are more likely to enjoy the action in this one, especially with its very low hit rate.
85%
Editor's rating
Design and theme
80 %
80 %
Features and playability
85 %
85 %
RTP and volatility
95 %
95 %
How do we rate slot machines?
We evaluate slot machines based on multiple criteria, from which we make our final verdict.
A slot machine thatβs designed around a bonus game, a different experience than what most deliver.
There is an actual theme here, Ocean-inspired, while a lot of other similar slots donβt bother with this aspect.
Both a regular and an Ultra version for the bonus game, so once again, it does better than most.
Additional modifiers coming through Luck of Aurora, which adds multipliers to bonus prizes.
You can use the Bonus Buy option to get immediate access to either of the two main features.
Cons
With just a couple of different symbols and plenty of positions getting blanks, itβs not a very rewarding experience, visually.
The high volatility is always a downside, along with the low hit rate.
A top prize of 4,313x the stake is on the lower side of whatβs expected in a slot where the volatility is high.
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 paylines1 payline
