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Cluster Tumble Review

by

Relax Gaming

Updated: Febr 8, 2026

RTP

96.40% (96.57% Buy)

Volatility

High (5/5)

Max Win

20,000x Bet

Min Bet

$0.10

Max Bet

$50

Paylines

Cluster Pays (4+)

Play Cluster Tumble Free

🎰
Cluster Tumble Demo

Cluster Tumble Game Specifications

Game ProviderRelax Gaming
Release DateNovember 2021
Reels Layout8 Reels, 8 Rows
Game TypeVideo Slot
ThemeAdventure / Himalayas
Mobile CompatibleYes ✓
Free SpinsYes ✓
Buy FeatureYES (100x / 200x)

Cluster Tumble Pros & Cons

Cluster Tumble delivers classic Aristocrat action with a proven track record. The choice-based free spins and stacked symbols create a good variety, but the RTP and max win won't impress everyone.

👍 Pros
  • 20,000x Max Win: Incredible potential for a grid slot
  • Expanding Grid: Clear stone blocks to unlock the full 8x8 area
  • Special Stone Blocks: Lightning and Fire features add variety
  • Play Free Demo on SlotsGamblers
  • Unlimited Multiplier: Free Spins multiplier grows by 3x every time you clear the grid
  • Red Dragon Symbol: Pays a massive 2,000x for 40+ clusters
👎 Cons
  • High Volatility - Clearing the grid can be difficult
  • Base game can feel slow without special blocks
  • Hit frequency (20%) is lower than some competitors

The cinematic intro sets the scene perfectly. The in-game graphics are crisp, with glowing runes and detailed stone textures. The music is atmospheric and adventurous, building in intensity as you clear more of the grid.

What Players Are Saying About Cluster Tumble (Reddit & Forums)

"It's Temple Tumble's cooler, more volatile sister. The Lightning Win blocks are the best—when they hit the right symbol, it clears half the board. The bonus round is stressful but rewarding. I cleared the grid twice in one bonus, got a 6x multiplier, and hit a 1,500x win." — User on CasinoGrounds, 2024
 

The husband is missing, and it's up to you to find him. Cluster Tumble by Relax Gaming (released Nov 2021) is the fifth installment in the Tumble series, following the success of Temple Tumble. This time, we are in the Himalayas with a brave female explorer.

With a massive 8x8 Grid and a 20,000x Max Win, the stakes are higher than ever. The game uses a Cluster Pays mechanic where you must destroy stone blocks to reveal the full playing field and trigger special features.

You can play Cluster Tumble for free right here on SlotsGamblers. Start the adventure!

Game Overview & Specs

The 20,000x Max Win is standard for the Tumble series but still very high. The RTP of 96.40% is solid. The hit frequency of 20% means you might have some dead spins, but the wins tend to be significant when they chain together. The Red Dragon symbol is a beast, paying 2,000x on its own for a full screen.

DEVELOPER Relax Gaming
THEME Adventure / Himalayas
GRID SIZE 8 Reels, 8 Rows
PAYLINES Cluster Pays (4+)
RTP 96.40% (96.57% Buy)
HIT FREQUENCY 20.29%
MAX WIN 20,000x Bet
VOLATILITY High (5/5)
MIN/MAX BET 0.10 / 50.00
BONUS BUY YES (100x / 200x)
RELEASE DATE November 2021

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Symbol Values and Paytable

The gap between the Dragon and the other symbols is enormous (20x difference). This game is all about hunting the Dragon.

👉
SYMBOL 40+ CLUSTER PAYOUT DESCRIPTION
Red Dragon
2,000.00x Bet
Highest paying. A massive payout potential.
Green Beetle
100.00x Bet
High value scarab.
Blue Mask
100.00x Bet
High value Aztec-style mask.
Red Gem
50.00x Bet
Medium value stone.
Green Gem
50.00x Bet
Medium value stone.
Blue Gem
50.00x Bet
Medium value stone.

How to Play: Clear the Path

Set Your Bet

Bets range from €0.10 to €50.00.

Cluster Pays

Match 4+ symbols adjacently (horizontally or vertically) to win.

Tumble Mechanic

Winning symbols explode, and adjacent stone blocks are destroyed. New symbols fall in.

Unlock the Grid

The goal is to destroy all stone blocks on the board. Doing so in the base game triggers Free Spins.

Special Blocks

Some stones contain power-ups (Wild, Lightning, Fire). Destroy them to activate the feature.

Free Spins

Triggered by clearing the board OR landing 3 Scatters.

Conclusion

Final Verdict

Cluster Tumble successfully reinvents the Tumble formula. It feels different enough from Temple Tumble to stand on its own. The combination of grid clearing strategy and high-payout symbols makes it one of the most engaging grid slots on the market.

Best For: Fans of grid slots and adventure themes.

Play Responsibly - 18+ Only

Gambling should be entertaining and fun. Remember that slots are games of chance, and there's no guaranteed way to win. Never gamble more than you can afford to lose, and always set limits for yourself. If you feel gambling is becoming a problem, please seek help immediately.

FAQ - Frequently Asked Questions

How do I trigger Free Spins?

There are two ways: land 3 Scatter symbols anywhere on the grid, OR destroy all stone blocks on the board in a single spin.

What is the Volatile Free Spins option?

If you use the Bonus Buy, you can choose a "Volatile" option where the multiplier increases by x6 instead of x3, but you start with no multiplier. This is for high-risk players.

Does the multiplier reset?

In the base game, yes. In the Free Spins, the multiplier never resets; it only grows every time you clear the board.

What does the Lightning Block do?

It targets a symbol type and transforms regular symbols into that target symbol, ensuring a win. It acts as a great connector for clusters.

Is the 20,000x win capped?

Yes. If the total win of a round reaches 20,000x your bet, the game round ends immediately and the cap is awarded.

What is the minimum cluster size?

You need at least 4 matching symbols connecting horizontally or vertically to form a winning cluster.