- Three cluster power-ups are available in the base game and bonus round
- Retrigger free spins bonus round and collect up to 15x in win multipliers
- Buy straight into the bonus round with the option to boost the multiplier tier progression
In this fifth installment of the Tumble series, you’ll join a Lara Croft-like heroine in scaling mountains in the Himalayan wilderness of Nepal and diving into temple ruins on a mission to find her missing husband. This online slot machine offers a ton of features and power-ups along with AAA aesthetics.
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Cluster Tumble Game Highlights
Cluster Tumble by Relax Gaming offers a unique gaming experience with action-packed win sequences and plenty of ways to win. Multiple power-ups can stretch your clusters even in the base game, while multipliers and retriggering free spins really drive home the wins in the bonus round. Get all the details in this online slot review.
Cluster Tumble Quick Facts and Features
Software Provider | Relax Gaming |
RTP | 96.4% |
Volatility | High |
Jackpot Type | N/A |
Paylines | Cluster Pays |
Reels | 8×8 |
Max Wager | $50 |
Max Win | 20,000x |

Does Cluster Tumble Pay Real Money?
Cluster Tumble is just one of many real money slot games available in the BetMGM catalog. At BetMGM Casino, you can legally play slots online for real money wagers if you’re located in New Jersey, Pennsylvania, Michigan, or West Virginia.
How To Play Cluster Tumble
The Cluster Tumble slot plays on a massive 8×8 reel grid with a unique cluster pay mechanic that can quickly rack up big wins. Betting starts at $0.10 and ranges up to $50 per spin, so there is quite a bit of room to play when finding a comfortable wager. When you’re ready to get started, select your bet by using the plus or minus buttons to scroll through the denominators or click the bet value to select from the full list.
Cluster Tumble Game Features
The game runs on a high-volatility math model and offers a generous 96.4% return to player (RTP). This really shows off the bat, with win sequences quickly racking up big numbers, even on lower bet denominators.
Landing four or more adjacent symbols anywhere on the reels will start a win sequence. Here, winning symbols and any adjacent symbols explode and make way for new symbols to land in their place. Any new wins made with the new symbols will continue to explode and offer new symbols indefinitely until there are no more winning combinations.
A range of special symbols may also land across the reels and serve as various power-ups throughout the game. Wild symbols may land, replacing other symbols to create a winning combination. These can also land with up to three extra lives, where they’ll stay in play for the next three cascades.
Lightning symbols activated in a winning combo will select a target symbol from other symbols on the grid. On the next cascade, any symbols matching the target will be included in the cluster win, no matter where they are on the grid.
Fire symbols work similarly, selecting a target symbol when activated in a cluster. Except on the next cascade, one or two symbol types will be transformed into the target to increase the size of any cluster wins.
Cluster Tumble Bonuses and Jackpots
A free spin round is also available and is triggered by either clearing the whole grid during a win sequence or landing three scatter symbols. Free spin rounds start with five free spins and a base 1x multiplier. Any new scatter landed during the round will add an extra spin.
If you clear the grid during free spins, you’ll win an additional three spins and a 3x multiplier, which will be applied for the rest of the game. Every time you clear the grid, you’ll win an additional three spins and increase the multiplier by 3x. Multipliers are applied to all wins during free spins.
You can also buy into the free spin round for 100x or 200x your bet. The 100x purchase will get you a standard free spin round with five spins. If you opt for 200x, you’ll get an extra-volatile free spin round where multipliers increase by 6x every time you clear the grid.
How To Win Cluster Tumble
Winning this Relax Gaming slot can become quite easy if you know how to use the cluster pay system. With all the power-ups available to you, you can really capitalize on boosting your clusters.
If you’re willing to risk the buy-in fee, a decent tip for using the free spins round is also to lower your base bet and buy the round. If you drop your base bet to $1, then the round will only cost double the max bet.
Cluster Tumble Graphics and Design
This adventure-themed slot is heavily inspired by a mix of Tomb Raider and Fortnite aesthetics. The main character looks like a younger, sassier Lara Croft, but the overall style looks as if she was created as a Fortnite skin.
The game features beautifully animated cut scenes straight out of a AAA-styled video game and epic transitions, unlocking giant temple doors as you move from one round to the next. Each cascade is packed with realistic explosions to usher in new symbols, and win animations include the heroine taunting rogue raiders.
Cluster Tumble Symbols
The paytable on this online slot machine is out of this world. Clusters can reach 40+ symbols in a single win, so there are plenty of winning tiers to move through. The payouts below are based on a $1 base wager:
Size of Cluster | Red Dragon | Green Scarab | Blue Mask | Red Gem | Green gem | Blue Gem |
4 | 1.00 | 0.40 | 0.40 | 0.30 | 0.30 | 0.30 |
5 | 1.20 | 0.50 | 0.50 | 0.30 | 0.30 | 0.30 |
6 | 1.40 | 0.60 | 0.60 | 0.40 | 0.40 | 0.40 |
7 | 1.60 | 0.80 | 0.80 | 0.50 | 0.50 | 0.50 |
8 | 1.80 | 1.00 | 1.00 | 0.60 | 0.60 | 0.60 |
9 | 2.00 | 1.20 | 1.20 | 0.70 | 0.70 | 0.70 |
10 | 2.20 | 1.40 | 1.40 | 0.80 | 0.80 | 0.80 |
11 | 2.50 | 1.60 | 1.60 | 0.90 | 0.90 | 0.90 |
12 | 3.00 | 1.80 | 1.80 | 1.00 | 1.00 | 1.00 |
13 | 3.50 | 2.00 | 2.00 | 1.20 | 1.20 | 1.20 |
14 | 4.00 | 2.50 | 2.50 | 1.40 | 1.40 | 1.40 |
15 | 5.00 | 3.00 | 3.00 | 1.60 | 1.60 | 1.60 |
16 | 6.00 | 3.50 | 3.50 | 1.80 | 1.80 | 1.80 |
17 | 8.00 | 4.00 | 4.00 | 2.00 | 2.00 | 2.00 |
18 | 10.00 | 4.50 | 4.50 | 2.50 | 2.50 | 2.50 |
19 | 12.00 | 5.00 | 5.00 | 3.00 | 3.00 | 3.00 |
20 | 15.00 | 6.00 | 6.00 | 3.50 | 3.50 | 3.50 |
21 | 20.00 | 7.00 | 7.00 | 4.00 | 4.00 | 4.00 |
22 | 25.00 | 8.00 | 8.00 | 4.50 | 4.50 | 4.50 |
23 | 30.00 | 9.00 | 9.00 | 5.00 | 5.00 | 5.00 |
24 | 35.00 | 10.00 | 10.00 | 5.50 | 5.50 | 5.50 |
25 | 40.00 | 11.00 | 11.00 | 6.00 | 6.00 | 6.00 |
26 | 45.00 | 12.00 | 12.00 | 6.50 | 6.50 | 6.50 |
27 | 50.00 | 13.00 | 13.00 | 7.00 | 7.00 | 7.00 |
28 | 55.00 | 14.00 | 14.00 | 7.50 | 7.50 | 7.50 |
29 | 60.00 | 15.00 | 15.00 | 8.00 | 8.00 | 8.00 |
30 | 70.00 | 16.00 | 16.00 | 9.00 | 9.00 | 9.00 |
31 | 80.00 | 17.00 | 17.00 | 10.00 | 10.00 | 10.00 |
32 | 90.00 | 18.00 | 18.00 | 12.00 | 12.00 | 12.00 |
33 | 100.00 | 20.00 | 20.00 | 14.00 | 14.00 | 14.00 |
34 | 150.00 | 25.00 | 25.00 | 16.00 | 16.00 | 16.00 |
35 | 200.00 | 30.00 | 30.00 | 18.00 | 18.00 | 18.00 |
36 | 300.00 | 35.00 | 35.00 | 20.00 | 20.00 | 20.00 |
37 | 400.00 | 40.00 | 40.00 | 25.00 | 25.00 | 25.00 |
38 | 500.00 | 45.00 | 45.00 | 30.00 | 30.00 | 30.00 |
39 | 1,000.00 | 50.00 | 50.00 | 40.00 | 40.00 | 40.00 |
40+ | 2,000.00 | 100.00 | 100.00 | 50.00 | 50.00 | 50.00 |

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