Crystal Classics Slot Review

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300% Bonus To $2000 + 20 Freespins

44% Rated

Graphics - 55%

Gameplay - 54%

Bonuses - 30%

Value - 20%

Whizz hot?

  • Fruity slot
  • 25,000x+ top payout
  • Old-school theme with a modern look
  • Wilds show up after wins

Whats not so hot?

  • Disappointing 95.27% RTP

Where to play?

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98% Rated


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Welcome bonus

250% Welcome Bonus To $5000

97% Rated


US flag Players from United States accepted


US flag Players from United States accepted

Game information


Crystal Classics


booming games




Cluster Pays





Crystal Classics is a Booming Games video slot that builds on the fruity theme. It doesn’t do much with them visually, but boy, are the bonus rounds fresh in this one! For one, the playing field is a far cry from your 3×3 setups. The online slot boasts a reel configuration of 7 reels, 7 rows and Cluster Pays. That means no paylines – instead, you have to find touching Clusters of 5+ matching symbols to get a win.

Booming Games adds an extra lick of paint to Crystal Classics with Cascades, Wilds, Free Spins, and Bonus Buy.

The hit rate is high at 31%, but don’t expect a soft math model. Crystal Classics is a high variance real money casino game that will bleed your bankroll dry. That’s if you play reckless and if you don’t plan your sessions. On the positive side, the jackpot is huge at 27,556x your stake. The betting range goes from $0.20 to $10 and you can even test it as a free slot.

Crystal Classics slot is now live at our legal casinos online for slot play from Europe. Before we continue with the slot review of Crystal Classics. The slots for real money is not available in the slot libraries of the top legal online casinos for Australians.

Crystal Classics Slot By Booming Games

RTP & Symbols

The theoretical RTP of Crystal Classics is 95.27%. That’s not great by any stretch and even disappointing. Suffice to say that the RTP is way below the industry average, which sits at 96% straight. It’s not at all apparent why the studio decided to undercut things, but that’s how it is. Not cool, but what can you do?

The graphical display consists of a kaleidoscope of colours. We didn’t expect anything less since it’s a classic fruity slot. Fruit symbols like lemons and cherries work as the low pays. On the upper side of the scale, you have sevens, bells, and stars. The premiums are worth up to 100x, but you need a full Cluster of 25+ symbols. Not easy to do, as you’d imagine. The payout though is spectacular if you’re willing to grind.

Crystal Classics Slot By Booming Games

Bonus Rounds Crystal Classics Slot


During a Cascade, winning symbols disappear from the grid. Moreover, new symbols fill the empty spaces they leave. That’s the cascades in a nutshell and we reckon you’ve all seen it before. There are no real improvements to it here, but no limits either. The process always runs until you hit a configuration without a win, however long that might take.


After a win, a laser shoots into the blank spaces. This can net you up to 3 Diamond Wilds. These are Wilds that substitute for other symbols in winning combos. If you’re lucky, another laser will appear. This time, it will shoot Diamond Wilds and transform them into Multiplier Wilds.

The values of the Multiplier Wilds are 2x, 3x, or 5x. The appropriate win multiplier will then apply to all wins in which they feature. Keep in mind the multipliers don’t multiply but they add up.

Free Spins

When 4 or more scatters appear on a single spin; they trigger 10 to 25 free spins. You can then re-trigger or prolong the feature by finding more Scatters. Each set of 3 is worth 5 bonus free spins. During free spins, at least one Diamond Wild will appear for each Cluster that you get. Even better, the value of the win multipliers for those Wilds go up to 100x!

Bonus Buy

If you don’t want to wait for free spins which trigger on every 400th spin. At least that’s what Booming Games says on the tin’s label. The Bonus Buy option offers an easy way out. Yet, it will cost you 100x your stake to buy the Free Spins.

Crystal Classics Slot By Booming Games

Crystal Classics Tips & Strategy

Generally speaking, we’re not really into slots with fruity themes. We’ll make an exception for Crystal Classics because it punches above its weight class. The bonuses and the cascades are entertaining but the volatility stings like crazy!

To give you an example of what we were up against. It took us 417 spins to trigger the free spins. Not only does the slot become a grind it becomes downright painful at times.

Like the majority of the fruity slot monotony sets in pretty quick. We won 99x our stake in the free spins. Taking into account our average stake of $1 we were in the red. To that end, Crystal Classics nailed our bankroll. Even if it was with free slots credits. Yes, wins higher than 25,000x are possible, however, it will take countless spins to win it.



Crystal Classics is a stellar Booming Games slot with only one glaring flaw. Its RTP  is not on par with what other video slots offer. Had it not been for the RTP and crazy volatility, we’d recommend the slot.

It’s still a lot of fun with all the modern touches. Especially, when the Diamond Wilds pop in the free spins. The combination of high variance and lowish RTP makes this slot unsuitable for bonus wagering requirements.

Extreme Megaways from Stakelogic is a fruity slot with a space theme. The slots studio tops it up with Free Spins with 2x multiplier wilds. As well as a Feature Buy, a Super Stake Option and a jackpot of $500,000.

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