Cluster Tumble

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Cluster Tumble
RTP (Return to Player)
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Cluster Tumble Slot (Relax Gaming)

In a world of non-stop action, it can be difficult to find games that are relaxing. Relax Gaming, an online slot developer has found the perfect balance with Cluster Tumble Slot.

This game is packed full of excellent graphics and intriguing mechanics that have been created by one of the most reliable developers in the industry.

Cluster Tumble Slot may not be a unique release from this company but its popularity has exploded on various casino sites around the world thanks to a well thought out design and numerous features.

I will share all about this game in the review below:

Game Set-Up

Relax Gaming has used a very large game area and the developer has provided an 8x8 reels grid, with Cluster Pays.

There are a couple of interesting features inside among them the wilds, scatters, cascading reels, free spins with multipliers, and a couple of modifiers.

Betting and Prizes

If you want to maximize your chance of winning big, then you need to make sure that the right bet is placed. The first step is selecting the wager.

The total amount can be anywhere between $0.10 and $50 per spin and it all depends on how much money you have in your bankroll or pocket at any given time.

The total amount can be anywhere between $0.10 and $50 per spin, and I love the slot's potential where you can walk away with wins of up to 20,000x the stake (or $1,000,000 in cash from just one lucky spin).

The RTP of 96.40% serves it quite well, and especially when you consider its medium-high volatility.

Cluster Tumble Slot Features

To get a win on this slot, you only need to get 4+ matching icons in a cluster, and these should touch vertically, or horizontally.

Wild symbols are present too, and I love the potential that they carry since you can use them as a replacement for other regular icons.

Relax Gaming has also included two interesting modifiers, but before you can trigger them, you must form a cluster right next to a Stone Block. These two modifiers are the Lightning Win and the Fire Transform.

The slot’s maximum potential lies in the free spins, and to get there, you have two options. One is by unlocking all 8x8 reels, while the other one is by landing 3+ scatters. I opted for the scatters, but both options trigger the free spins, and finally received my 5 free spins that also came with some multipliers.

If you get an additional scatter, you will retrigger the free spins.

Theme & Design

It has an adventure theme, one that reminds me of Lara Croft. There is a female explorer who plays the main role, and she is taking us on an adventure through a South American temple, as she searches for her husband and some treasures.

I’m impressed by the golden idols and decorations that sit strategically around the slot’s large game area, plus the available symbols that include the W wild, the Idol scatter, several images of gemstones (pink, blue, green), an Aztec Chief, an Egyptian Beetle, Asian Dragon, plus icons with Fire/Lightning.


It has really nice visuals and animations that will keep you playing for hours on end! The overall design of the game is simple yet elegant, with lots of interactive areas for you to explore.

Shawna Dudley

Shawna is an ambitious and free-spirited digital nomad with expertise in creating high-quality and SEO-friendly guides and reviews in the iGaming and travel industry. Follow her on Twitter or Linkedin or send her an email.