Zillion Games

Cluster Gems

Play Cluster Gems slot by Zillion Games for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.

Only 0.8% of slots combine Random Reward and Respins.

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Index score

/ 99

05099

The Slot Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.

How this score is built

RTP

95.05%

return to player

Volatility

Medium volatility

variance

Max win

3,000×

top multiplier

Min bet

$0.10

per spin

Reels

Cluster Pays lines

Player rating

5.0 ★

7 votes

DEMO Play free, no signup

Zillion Games

5.0 / 5

7 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 & RTP8/10

RTP 95.05% → 8.0/10

Volatility8/10

medium → 8.0/10

Win Potential7/10

x3000.00 (3000×) → 7.0/10

Features6.5/10

7 features → 6.5/10

Game Mechanics6.8/10

f=7 r=5 → 6.8/10

Context signals (tie-breakers)

Layout5/10

5x5 → 5.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation6.6/10

provider avg 6.6 → 6.6/10

Popularity0/10

synthetic proxy → 0.0/10

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.

Spec sheet

Cluster Gems at a glance.

Identity

Slot nameCluster Gems

StudioZillion Games

Released9/10/2025

Math

Index score60

RTP95.05%

VolatilityMedium volatility

Max win3,000×

Bet range$0.10 – $100.00

Player rating5.0 / 5 · 7 votes

Format

Reels5

PaylinesCluster Pays

Layout5x5

Features

Themes

Expected average based on this slot's 95.05% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.98

Cost per session$1.98

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 Cluster Gems? 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: Medium

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 (Medium). The model is calibrated so the average return equals this slot's published RTP (95.05%), with wins capped at its top multiplier (3,000×).

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.

Compare Cluster Gems with other games

	Cluster Gems Score 60This game	9 Blazing Diamonds Score 64	Dracula's Gems Score 68	Jungle Adventure Bonus Score 57	Africa Score 52
Identity
Studio	Zillion Games	SpinPlay Games	MrSlotty	Inbet Games	Royal Slot Gaming
Released	9/10/2025	4/2/2021	10/6/2019	3/2/2024	4/23/2019
Math
RTP	95.05%	96.33%	97%	—	—
Volatility	Medium volatility	Medium volatility	—	—	—
Max win	3,000×	10,000×	—	2,000×	4,800×
Format
Reels	5	5	5	5	5
Layout	5x5	5x3	5x3	5x4	5x3
Paylines	Cluster Pays	25	10	30	243
Min bet	0.10	0.20	0.01	0.25	0.30
Max bet	100.00	25.00	25.00	250.00	1200.00
Features
Progressive	—	—	—	—	✓
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	—	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	—	—	—	—
Bonus game	—	—	—	✓	—
Respins	✓	—	—	—	—

Every number is shown as a delta against Cluster Gems.

Comparing against

Cluster Gems

Zillion Games

RTP

95.05%

Max win

3,000×

Score

− Free Spins− Multiplier− Respins

− Multiplier− Respins

Jungle Adventure Bonus

+ Bonus Game− Multiplier− Respins

+ Progressive− Multiplier− Respins

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