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We evaluate slot machines based on multiple criteria, from which we make our final verdict.
Design and theme
75 %
Features and playability
85 %
RTP and volatility
96 %
Slot machine details and review Thunder Mega Sevens Bonus Buy
Thunder Mega Sevens Bonus Buy is an online slot that was created by Evoplay. They went with a type of design that would be considered dated by some, or charmingly retro by others, and the inspiration for its theme comes from the classics, with a focus on the Sevens category. The game area you can use has 5×3 reels and offers 20 paylines.
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 slot with medium volatility. Wins occur occasionally and are balanced. The game has an alternating course without extreme fluctuations, suitable for players looking for a compromise between risk and winning potential. More about volatility here.
Slot theme and symbols
You will find that the look of Thunder Mega Sevens Bonus Buy is not exactly something you havenβt seen before; on the contrary. Itβs inspired by classic land-based machines, and so youβre going to find a lot of very familiar symbols on the slotβs five reels. About half of the 8 regular symbols are different types of Sevens, while the rest are fruits and other classics.
Thunder Mega Sevens Bonus Buy theme and symbols
The type of experience you can expect from Thunder Mega Sevens Bonus Buy would be described as a Medium in terms of volatility, so while wins donβt come very often, they do tend to pack a bit of punch when they do come around. Trying out a demo of this online slot should give you the right idea about its potential. Itβs important for you to know that the RTP is 95.90%, and that the biggest prize paid during testing was 3,133.4x the stake.
Red Sevens
Green Seven
Blue Seven
Yellow Seven
Bell
BAR
Lemon
Cherries
Special Symbols and Slot Features
3D
NO
Autoplay
YES
Free Spins
YES
Gamble Feature
NO
Locking Symbols
NO
Wild Symbol
YES
Win Multiplier
YES
Other features
Bonus buy
Bonus Scatter
Other Features
Scatter Symbol
WILD symbol
Wild symbols are extremely common in modern slots, and this particular release comes with its own version of them. Itβs going to be easy to spot, given its WILD logo with a thunderbolt, made as a neon sign. Youβre also going to find it on certain reels, the ones from the 2nd to the 5th columns. When it lands there, itβs a substitute symbol, and it contributes to other combinations. Itβs available both for paid and for free spins.
Scatter symbol
This is another feature symbol, and itβs also easy to figure out which one it is. The gameβs scatter has a Free Spins logo on it, with lightbulbs at the top.
Free Spins
Whenever 3 or more scatters appear at the same time, you will get 10 to 20 free spins. This feature can be retriggered via the same 3+ scatters. In this mode, the game adds up the prizes mentioned on bonus symbols. At the end of the feature, youβre guaranteed a spin of the Wheel of Thunder, provided that 1+ bonus symbols landed along the way.
Bonus symbol
The third, and final, feature symbol is the bonus symbol. It has a prize attached, ranging from 1x to 5x.
The Wheel of Thunder
If there are 5+ bonus symbols on the reels during paid spins, you get access to Wheel of Thunder. The game adds up the values from the bonus symbols first. The spin of the Wheel can bring you a multiplier in the range of 2x to 12x, or a combination of 2x or 3x multipliers with a respin of the wheel. The resulting multiplier(s) will apply to the total amount collected from bonus symbols.
Bonus Buy
Access to the main feature can also be purchased. The gameβs going to ask for either 50x the stake for 10 free spins, 75x for 15 free spins, or 100x for 20 free spins.
Prize table
Symbol
Multiplier
3x in payline
4x in payline
5x in payline
Red Sevens
1.5x
3.5x
15x
Green Seven
1x
2.5x
8.5x
Blue Seven
0.7x
1.5x
6.5x
Yellow Seven
0.7x
1.5x
6.5x
Bell
0.5x
1x
3x
BAR
0.5x
1x
3x
Lemon
0.5x
1x
3x
Cherries
0.5x
1x
3x
Our rating of the game
Thunder Mega Sevens Bonus Buy
Despite the classic nature of the slotβs theme, you will find Thunder Mega Sevens Bonus Buy a modern-enough release, particularly when it comes to the features being offered (a combination of bonus symbols with prizes, multipliers via a Wheel, free spins, and wilds). You get enough there to keep you interested, and the Medium volatility will not drive you away immediately. Add a top prize of 3,133.4x the stake, and the RTP of 95.90%, and itβs a pretty good slot to spend some time with.
80%
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.
It has a Wheel of Thunder feature that will bring you multipliers to apply to prizes from bonus symbols.
Comes with a free spins feature, where you collect bonus symbols, and you get Wheel of Thunder guaranteed then.
A prize of 3,133.4x the stake looks pretty good when you donβt expect extreme risk.
Has Medium volatility, so itβs not as risky to play as some of the other slots.
A Bonus Buy option is included and lets you trigger 10 to 20 free spins.
Cons
A 95.90% RTP is adequate, but lower than the majority of the slots that it will compete against.
Itβs the same classic theme as everyone else uses, so visually it doesnβt impress.
Regular combinations pay little, up to 15x the stake for the best symbols available.
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
