Relax Gaming

Kluster Krystals Megaclusters

RARE Slots Video Slots Fantasy Aztec Magic Nature Forest Gems Ancient

Relax Gaming's symbol-upgrading Megaclusters debut on a high-volatility gem grid

Only 0.03% of slots feature Megaclusters.

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

96.49%

return to player

Volatility

High volatility

variance

Max win

9,921×

top multiplier

Min bet

$0.10

per spin

Reels

5 lines

Player rating

4.2 ★

14 votes

DEMO Play free, no signup

Relax Gaming

Embed on your site

4.2 / 5

14 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP9/10

RTP 96.49% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x9921.00 (9921×) → 8.0/10

Features10/10

15 features → 10.0/10

Game Mechanics8/10

f=15 r=5 p=n/a → 8.0/10

Context signals (tie-breakers)

Layout5/10

5x5 → 5.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation7.3/10

provider avg 7.3 → 7.3/10

Popularity3.3/10

search demand p26 + proxy blend (70/30) → 3.3/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 77 — Kluster Krystals Megaclusters by Relax Gaming

https://slotranker.com/relax-gaming/kluster-krystals-megaclusters#score

How to cite

Slot Summary

Upgrading neighboring symbols after every winning cluster gives cascades a way to change the board instead of merely clearing it. Kluster Krystals Megaclusters was Relax Gaming's first original use of the Megaclusters mechanic, combining those upgrades with multiplier symbols and three cascade-triggered modifiers. The 5x5 gem grid rewards extended chains more than isolated hits, while high volatility and an x9921 ceiling emphasize rare, concentrated outcomes.

How It Plays

Cluster wins remove their contributing symbols and allow replacements to fall into the 5x5 grid. The important result is what happens beside that win, since neighboring symbols receive upgrades.

Longer cascade sequences create two linked objectives: keep forming clusters and improve the remaining symbols. Multipliers can become stronger, while Bonus symbols move closer to their completed form.

Theme & Atmosphere

Gems carry the visual logic, making every upgrade readable as a more complete Krystal rather than an unrelated modifier appearing over the grid.

The Ancient, Forest, Nature, Magic, and Fantasy labels support a secluded treasure-site atmosphere, while the gem treatment keeps the mechanic visually central.

Fantasy Aztec Magic Nature Forest Gems Ancient

Features & Win Potential

Megaclusters, Cluster Pays, Cascading, and Transforming Symbols operate as one connected system. A cluster clears space, adjoining symbols transform, and replacement symbols create another chance to continue.

After 6 cascades, a modifier can remove one symbol group, eliminate visible single normal symbols, or upgrade all visible normal symbols, extending the chance of another cluster.

High volatility Free Spins Multiplier Scatter Symbol Wild Symbol Cascading Cluster Pays 5 Reels Transforming Symbols Expanding Reels Megaclusters RTP range 96% RTP Colossal Reels Grid

Bonus & Free Spins

Free Spins begin when a Bonus symbol beside a winning cluster reaches its quad form. A quad Bonus symbol during the round adds 7 Free Spins and a further 4 spins.

Spec sheet

Kluster Krystals Megaclusters at a glance.

Identity

Slot nameKluster Krystals Megaclusters

StudioRelax Gaming

Released1/12/2021

Math

SlotRanker Score77

RTP96.49%

VolatilityHigh volatility

Max win9,921×

Bet range$0.10 – $100.00

Player rating4.2 / 5 · 14 votes

Format

Reels5

Paylines5

Layout5x5

This game is searched most in United Kingdom, Austria, and Brazil.

Expected average based on this slot's 96.49% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.40

Cost per session$1.40

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Kluster Krystals Megaclusters? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: High

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (High). The model is calibrated so the average return equals this slot's published RTP (96.49%), with wins capped at its top multiplier (9,921×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Kluster Krystals Megaclusters

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Kluster Krystals Megaclusters with other games

	Kluster Krystals Megaclusters Score 77This game	Jungle Queen Score 80	Blazing Goddess Score 73	Doragon's Gems Score 83	Irish Crown Score 77
Identity
Studio	Relax Gaming	BGaming	Lightning Box	Realtime Gaming	Pragmatic Play
Released	1/12/2021	2/20/2025	5/15/2016	8/17/2022	12/30/2024
Math
RTP	96.49%	96.15%	95.39%	—	96.52%
Volatility	High volatility	High volatility	High volatility	High volatility	Medium volatility
Max win	9,921×	10,000×	—	25,000×	5,000×
Format
Reels	5	5	5	5	5
Layout	5x5	5x3	5x4	5x3	5x3
Paylines	5	20	1024	25	20
Min bet	0.1	0.25	0.5	0.2	0.2
Max bet	100	25	100	5	5
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	✓	✓	✓	—
Bonus game	—	✓	✓	—	✓
Respins	—	—	—	—	✓

Every number is shown as a delta against Kluster Krystals Megaclusters.

Comparing against

Kluster Krystals Megaclusters

Relax Gaming

RTP

96.49%

Max win

9,921×

Score

+ Bonus Game+ Respins− Multiplier

Explore More Games with Similar RTP

	Provider	RTP	Volatility	Max win	Score
Holy Hand Grenade	Print Studios	96.45%	High volatility	20,000×	85
Giza Infinity Reels	ReelPlay	96.45%	Medium volatility	10,000×	73
Dragon Fall	Blueprint Gaming	96.46%	Medium volatility	50,000×	88
Cash Lab Megaways	iSoftbet	96.47%	High volatility	20,000×	87
Midgard’s Fortune Megaways	GameArt	96.48%	—	15,000×	83
Kluster Krystals Megaclusters	Relax Gaming	96.49%	High volatility	9,921×	77
Retro Sweets	Push Gaming	96.49%	High volatility	10,000×	86
3 Secret Cities	4ThePlayer	96.5%	High volatility	50,000×	88
Bonanza Falls	Big Time Gaming	96.51%	High volatility	93,540×	85
Coink Bank	Fazi Interactive	96.52%	Medium volatility	3,250×	62
Juicy Storm	Pascal Gaming	96.52%	High volatility	21,100×	85

01What distinguishes Kluster Krystals Megaclusters from a standard cluster slot?

Winning clusters do more than disappear. They upgrade neighboring symbols, including multiplier and Bonus symbols, so each cascade can improve the material left on the grid.

02What happens after a long cascade sequence?

A sequence of 6 cascades guarantees one of three modifiers that can remove a symbol group, remove single normal symbols, or upgrade visible normal symbols.

03How does the Free Spins round begin?

A Bonus symbol upgraded beside a winning cluster can become a quad symbol and open the round with 7 Free Spins.

04What are the RTP and maximum win?

Kluster Krystals Megaclusters has a 96.49% RTP, high volatility, and a stated maximum win of x9921.

No player notes yet

Be the first to share your experience with this slot.