IGT

Volcano Queen Diamond Spins

Slots Video Slots Fantasy Gems Fire Royal Ancient Queen

First Diamond Spins entry with three distinct bonus routes

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

95.62%

return to player

Volatility

Medium volatility

variance

Max win

—

top multiplier

Min bet

$20.00

per spin

Reels

30 lines

Player rating

4.7 ★

12 votes

DEMO Play free, no signup

IGT

Embed on your site

4.7 / 5

12 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 95.62% → 8.0/10

Volatility8/10

medium → 8.0/10

Win Potential—

no data

Features9/10

11 features → 9.0/10

Game Mechanics6.5/10

f=11 r=5 p=30 → 6.5/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility4/10

20–300 (×15) → 4.0/10

Provider Reputation5.6/10

provider avg 5.6 → 5.6/10

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.

Cite this score

SlotRanker Score: 62 — Volcano Queen Diamond Spins by IGT

https://slotranker.com/igt/volcano-queen-diamond-spins#score

How to cite

Slot Summary

As the first entry identified in IGT's Diamond Spins series, Volcano Queen Diamond Spins divides its value among three routes instead of relying on one centerpiece. Stacked premium symbols can create a locked jumbo-symbol respin, Bonus symbols lead to Free Spins, and Diamonds open a progressive jackpot sequence. Its 95.62% RTP and medium volatility place those features inside a measured 30-payline format.

How It Plays

The 30-payline base game pays matching symbols from the first reel onward. Wild symbols may substitute for standard symbols, while Scatters and Bonus symbols control separate events.

A full stack of the same premium symbol across at least three adjacent reels changes the next result. Those stacks combine into a jumbo symbol, lock, and leave the other reels to respin.

Theme & Atmosphere

Fire and Gems define the volcanic fortress setting, with the Queen positioned as the central Royal figure. The Fantasy treatment links treasure, heat, and authority without obscuring the symbols.

The game's strongest visual contrast comes from cool Diamond imagery appearing inside a setting dominated by Fire. That contrast also separates the progressive feature from the Queen-led respin event.

Fantasy Gems Fire Royal Ancient Queen

Features & Win Potential

Stacked Symbols supply the Volcano Queen respin trigger. Matching full stacks become one locked jumbo symbol, while the remaining reels respin and a random multiplier applies to the result.

The Progressive Jackpot is tied to locked Diamonds rather than the ordinary paylines. Each new Diamond renews the respin counter, allowing the collection to continue until no respins remain.

Free Spins Scatter Symbol Wild Symbol Respins Medium volatility 5 Reels Bonus Game Stacked Symbols Progressive Jackpot Stack 30 Paylines

Bonus & Free Spins

Six or more Bonus symbols trigger 10 Free Spins. Landing another group of six during the feature adds 10 spins, with the published total capped at 120.

Five or more Diamonds open the progressive bonus with three respins. Diamonds remain locked, new arrivals reset the counter, and specific collections can award progressive jackpots.

Spec sheet

Volcano Queen Diamond Spins at a glance.

Identity

Slot nameVolcano Queen Diamond Spins

StudioIGT

Released9/26/2019

Math

SlotRanker Score62

RTP95.62%

VolatilityMedium volatility

Max win—

Bet range$20.00 – $300.00

Player rating4.7 / 5 · 12 votes

Format

Reels5

Paylines30

Layout5x3

Features

Themes

Expected average based on this slot's 95.62% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$350.40

Cost per session$350.40

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 Volcano Queen Diamond Spins? 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 (95.62%), with wins capped at its top multiplier (1,000×).

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 Volcano Queen Diamond Spins

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Compare Volcano Queen Diamond Spins with other games

	Volcano Queen Diamond Spins Score 62This game	Kingdoms Rise: Shadow Queen Score 81	Jungle Queen Score 80	3 Magic Lamps: Hold and Win Score 76	Crystal Queen's Coins Score 73
Identity
Studio	IGT	Ash Gaming	BGaming	Playson	Quickspin
Released	9/26/2019	9/17/2020	2/20/2025	2/29/2024	11/19/2024
Math
RTP	95.62%	96.46%	96.15%	95.76%	94%
Volatility	Medium volatility	High volatility	High volatility	Medium/High	High volatility
Max win	—	5,000×	10,000×	16,746×	10,150×
Format
Reels	5	5	5	5	5
Layout	5x3	5x3	5x3	5x3	5x3
Paylines	30	25	20	25	20
Min bet	20	0.1	0.25	0.2	0.2
Max bet	300	100	25	100	100
Features
Progressive	✓	✓	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	—	✓	✓	—
Multiplier	—	✓	✓	✓	—
Bonus game	✓	✓	✓	—	✓
Respins	✓	—	—	—	—

Every number is shown as a delta against Volcano Queen Diamond Spins.

Comparing against

Volcano Queen Diamond Spins

IGT

RTP

95.62%

Max win

—

Score

Kingdoms Rise: Shadow Queen

+ Multiplier− Scatter− Respins

+ Multiplier− Progressive− Respins

3 Magic Lamps: Hold and Win

+ Multiplier− Progressive− Bonus Game− Respins

Crystal Queen's Coins

− Progressive− Scatter− Respins

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