Red Tiger Gaming

Gemtastic

Slots Video Slots 3D Slots Fantasy Fruit Gems

A gem slot where winning symbols change the next result

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

95.07%

return to player

Volatility

High volatility

variance

Max win

10,201.3×

top multiplier

Min bet

$0.20

per spin

Reels

30 lines

Player rating

4.7 ★

5 votes

DEMO Play free, no signup

Red Tiger Gaming

Embed on your site

4.7 / 5

5 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 95.07% → 8.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x10201.30 (10201.3×) → 8.0/10

Features9/10

13 features → 9.0/10

Game Mechanics6.9/10

f=13 r=6 p=30 → 6.9/10

Context signals (tie-breakers)

Layout5/10

6x5 → 5.0/10

Bet Flexibility4/10

0.2–10 (×50) → 4.0/10

Provider Reputation6.8/10

provider avg 6.8 → 6.8/10

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: 70 — Gemtastic by Red Tiger Gaming

https://slotranker.com/red-tiger-gaming/gemtastic#score

How to cite

Slot Summary

Press spin once, and Gemtastic can carry that wager through a run of changing gem combinations. Red Tiger Gaming gives its jewel slot an active identity: glowing gems can return as wilds, while oversized gems make a winning result the starting point for another transformation.

Features & Win Potential

Magic Glow can mark a gem type on any spin. When those gems participate in a winning line, they disperse and become wilds for the respin, substituting for paying symbols.

Mega Gems occupy larger blocks of the playing area. A glowing Mega Gem that contributes to a winning line breaks into several smaller wilds, changing multiple positions for the following respin.

High volatility 6 Reels Multiplier Wild Symbol Cascading Respins RTP range Avalanche Colossal Reels Grid Random Wilds / Additional Wilds Mega Symbol (3x3)30 Paylines

Spec sheet

Gemtastic at a glance.

Identity

Slot nameGemtastic

StudioRed Tiger Gaming

Released1/9/2019

Math

SlotRanker Score70

RTP95.07%

VolatilityHigh volatility

Max win10,201.3×

Bet range$0.20 – $10.00

Player rating4.7 / 5 · 5 votes

Format

Reels6

Paylines30

Layout6x5

Features

Themes

This game is searched most in United States, Argentina, and Austria.

Expected average based on this slot's 95.07% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.94

Cost per session$3.94

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 Gemtastic? 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 (95.07%), with wins capped at its top multiplier (10,201.3×).

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 Gemtastic

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Compare Gemtastic with other games

	Gemtastic Score 70This game	Devil's Deal Score 83	Diamond Cascade Score 76	Fresh Fortune Score 72	Dragon Castle Score 71
Identity
Studio	Red Tiger Gaming	Hot Rise Games	Pragmatic Play	BF games	Habanero
Released	1/9/2019	10/4/2023	7/31/2023	2/15/2017	1/15/2015
Math
RTP	95.07%	96.05%	96.06%	98.05%	94.03%
Volatility	High volatility	Medium volatility	Medium volatility	Medium volatility	High volatility
Max win	10,201.3×	20,000×	8,000×	—	—
Format
Reels	6	5	6	5	5
Layout	6x5	5x3	6x5	5x3	5x3
Paylines	30	243	3888	243	25
Min bet	0.2	0.2	0.3	0.25	0.01
Max bet	10	60	30	50	5000
Features
Progressive	—	—	—	—	✓
Wild symbol	✓	✓	✓	✓	✓
Free spins	—	✓	✓	✓	✓
Scatter symbol	—	✓	✓	—	✓
Multiplier	✓	✓	✓	—	✓
Bonus game	—	✓	—	—	—
Respins	✓	—	—	—	—

Every number is shown as a delta against Gemtastic.

Comparing against

Gemtastic

Red Tiger Gaming

RTP

95.07%

Max win

10,201.3×

Score

+ Free Spins+ Scatter+ Bonus Game− Respins

+ Free Spins+ Scatter− Respins

+ Free Spins− Multiplier− Respins

+ Progressive+ Free Spins+ Scatter− Respins

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