Kluster Krystals Megaclusters

Review, Demo Play, Payout, Free Spins & Bonuses

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  • Fun twist on Megaclusters format
  • Great reel modifier features
  • Unique free spins trigger
  • Highly volatile gameplay
  • Top prize under 10,000x

Kluster Krystals Megaclusters is an online slot developed by Relax Gaming. Features include cluster pays, transforming symbols, multipliers and free spins. The RTP of this high volatility slot is 96.49% and its top prize is worth 9921x your stake.


After Big Time Gaming created Megaways, it wasn’t long before other developers jumped on the bandwagon to license the mechanic and equip their own games with it. So, we’re not surprised that  less than a year after Star Clusters Megaclusters was launched by Big Time Gaming, Relax Gaming is now using the innovative format in its own games.

Kluster Krystals will be Relax Gaming’s first Megaclusters game, offering players a totally new way of experiencing cluster-based gameplay, a wide range of bonus features, free spins and a top prize of nearly 10,000x.

If you want to try out other similar games, you can play Cyberslot Megaclusters and Slot Vegas Megaclusters, as well as Relax Gaming’s previous cluster-based slots like Tower Tumble or Wildchemy.

Theme and Graphics

Kluster Crystals has a vibrant look to it, with symbols that feature raw crystals in various bright colours. It is a very well-designed slot, with a jungle setting – so it will appeal to players who are already fans of Temple Tumble Megaways.

It doesn’t look at all like Big Time Gaming’s Megaclusters slots – so Relax Gaming has ensured that its game really stands out.

Kluster Krystals Megaclusters

How to Play

It’s easy to get started playing Kluster Krystals Megaclusters:

  1. After the game loads, click on the menu button in the lower left-hand corner of the screen. Here, you can review the paytable.
  2. You can adjust the sound and spin speed settings but clicking the buttons in the bottom bar.
  3. Adjust your bet size. You can wager between .10 coins and 100 coins per spin.
  4. Check out the autoplay options.
  5. Click SPIN and have fun!

Kluster Krystals Megaclusters RTP and Variance

The RTP (return to player) of Kluster Krystals Megaclusters is 96.49%. This is about average for online slots today – but still on the higher end of the scale.

It is also highly volatile slot – a 5/5 on Relax Gaming’s own scale. However, with a win rate of 21.39%, you can expect more frequent wins than in most highly volatile slots that tend to have hit frequencies of about 30%.

How to Win

To hit winning combinations in Kluster Krysal Megaclusters, you’ll need to land 8 matching symbols in a group. Most cluster games ask for groups of 5 or more, so 8 sounds like quite a lot – but the game’s symbols appear as singles, doubles, triples and quads – so it’s not as difficult as it sounds to land a win.

Whenever you hit wins in this game, you’ll cause a cascade to occur. The winning symbols disappear and new symbols fall into their places. As cascades occur, the symbols next to winning combinations will upgrade (for example a single into a double or a double into a triple) – to help you land bigger wins.

Multipliers are also available in this slot. These symbols can appear with either 1x, 2x, 3x, 4x, 5x or 10x multipliers.

Random Features and Free Spins

During the base game, you’ll benefit from three different random features. After 6 cascades, one of the following bonuses will be triggered:

  • Krystal Boost: all symbols upgraded by one level
  • Krystal Kut: removes all single symbols
  • Krysal Vanish: removes all instances of one symbol colour

The bonus symbol can also be upgraded, and this is the key to triggering the free spins round. Whenever it appears next to a winning cluster, it is upgraded. Once it is upgraded to a quad symbol, you’ll trigger the free spins round.

Here, you can get four more free spins by fully upgrading another bonus symbol.

There isn’t anything extra in the free spins bonus. However, you can still trigger all of the above boosts – which will provide you with plenty of winning potential.

Kluster Krystals Megaclusters Overall Review

Kluster Krystals from Relax Gaming does a wonderful job of making the Megaclusters mechanic into a totally new beast. From the graphics to the game’s upgradeable symbols, Kluster Krystals Megaclusters really brings something new to players.

If you’re a fan of the Megaclusters series, then Kluster Krystals is certainly worth a spin. The game delivers a unique online gaming experience with plenty of great winning potential. It’s the kind of game that won’t have any trouble holding your attention, and we’re sure it’s going to become a big hit among players.

Disclaimer: Kluster Krystals Megaclusters trademark / license is owned by Relax Gaming. This site is not endorsed by Relax Gaming.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Kluster Krystals Megaclusters
Software: Relax Gaming
RTP: 96.49%
Volatility: High volatility
Paylines: 5
Reels: 5
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £100 (GBP)
Top Win: 9921
Features: Wild Symbol , Scatter Symbol , Multiplier , Free Spins , Clusters , High volatility , 5 Reels , Cascading , Expanding Reels , Megaclusters , Transforming Symbols
UK Available in GB? Yes. Relax Gaming have a UKGC license and are allowed to offer their games at UK licensed casinos.

Kluster Krystals Megaclusters Slot FAQs

What is the RTP of Kluster Krystals Megaclusters?

Kluster Krystals Megaclusters has a payout percentage of 96.49%.

What is the biggest win available on Kluster Krystals Megaclusters?

The top win you can land on Kluster Krystals Megaclusters is 9921x. Not quite as big as the other Megacluster slots – but still a nice prize.

How volatile is Kluster Krystals Megaclusters?

Kluster Krystals Megaclusters is a highly volatile slot – rated a 5/5 according to Relax Gaming’s own variance scale.

How do the Megaclusters work in Kluster Krystals?

Each symbol in Kluster Krystals Megaclusters can appear in four stages – singles, doubles, triples and quads (referring to number of segments in a single symbol). Each of these segments counts as a single symbol, and you can upgrade the number of segments in a symbol when that symbol appears next to a winning combination.

Is there a free spins bonus in Kluster Krystals Megaclusters?

When a bonus symbol is fully upgraded to become a quad (or a group of four segments), you’ll trigger the free spins bonus.

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