Octoplay

Gemstone Guardians

Slots Video Slots 3D Slots Fantasy Mythology Gems Asia Dragon

Mythological gem cascader with a persistent Multiplier Zone

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

95.77%

return to player

Volatility

Medium/High

variance

Max win

10,000×

top multiplier

Min bet

$0.10

per spin

Reels

Pay Anywhere lines

Player rating

3.6 ★

6 votes

DEMO Play free, no signup

Octoplay

Embed on your site

3.6 / 5

6 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 95.77% → 8.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x10000.00 (10000×) → 8.0/10

Features7.5/10

11 features → 7.5/10

Game Mechanics6.1/10

f=11 r=6 → 6.1/10

Context signals (tie-breakers)

Layout5/10

6x6 → 5.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation6/10

provider avg 6.0 → 6.0/10

Popularity5/10

synthetic proxy → 5.0/10

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.

Cite this score

SlotRanker Score: 70 — Gemstone Guardians by Octoplay

https://slotranker.com/octoplay/gemstone-guardians#score

How to cite

Slot Summary

A pay-anywhere grid with a horizontal top row makes symbol position matter after a combination has already formed. Gemstone Guardians uses Cascading wins to create repeated chances beneath that Multiplier Zone, while qualifying top-row symbols can increase the payout. Octoplay sharpens the idea in Free Spins, where the multipliers remain in place and double after activation, giving the bonus its own accumulating pressure.

How It Plays

Pay Anywhere evaluates the total number of matching symbols across the grid instead of requiring fixed lines. At least 8 matching symbols produce a win.

After payment, Cascading removes every winning symbol and drops replacements into the open spaces. The process repeats while each refill creates another qualifying combination.

Theme & Atmosphere

Asia, Gems, and Mythology meet in a Sakura garden guarded by Dragon and other animal figures, keeping the setting calm beside the active grid.

The Fantasy treatment presents gemstones as protected objects within the garden, linking the guardians to the payout symbols without overwhelming the unusually tall format.

Fantasy Mythology Gems Asia Dragon

Features & Win Potential

The Multiplier Zone occupies the horizontal top row and hides values behind its symbols. A value activates when the aligned symbol contributes to a win.

Red and Blue Blaze effects attach stronger Multiplier values to qualifying symbols, while a Wild Symbol in the zone can spread its Blaze across a complete winning group.

Multiplier Scatter Symbol Wild Symbol Cascading Medium/High 5 Reels Bonus Buy Avalanche Pay Anywhere Colossal Reels Grid

Bonus & Free Spins

Landing at least 3 Scatter Symbols awards 10 Free Spins, with extra Scatter Symbols adding more spins up to 25 at the initial trigger.

During Free Spins, Multiplier values remain fixed between spins and double whenever activated, with each position capable of reaching 100x.

Spec sheet

Gemstone Guardians at a glance.

Identity

Slot nameGemstone Guardians

StudioOctoplay

Released8/11/2023

Math

SlotRanker Score70

RTP95.77%

VolatilityMedium/High

Max win10,000×

Bet range$0.10 – $100.00

Player rating3.6 / 5 · 6 votes

Format

Reels5

PaylinesPay Anywhere

Layout5x5

Features

Themes

Expected average based on this slot's 95.77% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.69

Cost per session$1.69

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 Gemstone Guardians? 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-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 (Medium-High). The model is calibrated so the average return equals this slot's published RTP (95.77%), with wins capped at its top multiplier (10,000×).

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.

Where to play Gemstone Guardians

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 Gemstone Guardians with other games

	Gemstone Guardians Score 70This game	Lucky Qilin Score 75	Dragon Kings Score 75	Sky Pearls Score 63	Si Ling Megaways Score 86
Identity
Studio	Octoplay	JDB	Betsoft	3 Oaks	Skywind Group
Released	8/11/2023	5/5/2018	7/21/2018	2/24/2024	1/27/2022
Math
RTP	95.77%	96.05%	95.53%	95.72%	96.5%
Volatility	Medium/High	High volatility	Medium volatility	Low volatility	High volatility
Max win	10,000×	—	28,075×	—	—
Format
Reels	5	5	6	5	6
Layout	5x5	5x3	6x3	5x3	6x7
Paylines	Pay Anywhere	243	10	0	117649
Min bet	0.1	—	0.1	0.1	0.2
Max bet	100	—	10	60	200
Features
Progressive	—	—	✓	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	—	✓	✓	—	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	—	✓	—	—
Bonus game	—	—	✓	✓	—
Respins	—	—	—	✓	—

Every number is shown as a delta against Gemstone Guardians.

Comparing against

Gemstone Guardians

Octoplay

RTP

95.77%

Max win

10,000×

Score

+ Free Spins− Multiplier

+ Progressive+ Free Spins+ Bonus Game

+ Bonus Game+ Respins− Multiplier

+ Free Spins− Multiplier

Explore More Games with Similar RTP

	Provider	RTP	Volatility	Max win	Score
Candy Wild Bonanza	StakeLogic	95.73%	High volatility	20,000×	80
Year-Round Riches Clusterbuster	Red Tiger Gaming	95.74%	—	20,482×	80
Dynamite Riches Megaways	Red Tiger Gaming	95.75%	High volatility	7,000×	75
Bloody Murder	Red Tiger Gaming	95.76%	High volatility	16,400×	78
Gemstone Guardians	Octoplay	95.77%	Medium/High	10,000×	70
Rainbow Jackpots Megaways	Red Tiger Gaming	95.77%	High volatility	20,000×	82
Supercharged Clovers: Hold and Win	Playson	95.78%	High volatility	14,000×	75
Shah Mat	Red Tiger Gaming	95.79%	High volatility	4,323×	80
Money Jar 2	SlotMill	95.8%	High volatility	25,000×	79
Quad Link Red	Playtech	95.81%	High volatility	—	78
Aztec Pyramid Megaways	3 Oaks	95.82%	High volatility	50,000×	81