Realtime Gaming

Mermaid Royale

Slots Video Slots Fantasy Mythology Gems Sea Royal Treasure

Royal mermaid fantasy with respins and expanding-symbol bonuses

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

96.25%

return to player

Volatility

—

variance

Max win

—

top multiplier

Min bet

$0.25

per spin

Reels

25 lines

Player rating

3.9 ★

13 votes

DEMO Play free, no signup

Realtime Gaming

Embed on your site

3.9 / 5

13 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 96.25% → 9.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential—

no data

Features8.5/10

13 features → 8.5/10

Game Mechanics5.6/10

f=13 r=5 p=25 → 5.6/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.25–125 (×500) → 6.0/10

Provider Reputation5.9/10

provider avg 5.9 → 5.9/10

Popularity3.3/10

synthetic proxy → 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 — Mermaid Royale by Realtime Gaming

https://slotranker.com/realtime-gaming/mermaid-royale#score

How to cite

Slot Summary

A shifting mix of Respins, Expanding Symbols and Additional Free Spins gives Mermaid Royale its main shape in the absence of a confirmed series lineage. Realtime Gaming sets that feature mix against a royal underwater fantasy, using 25 paylines and a 96.25% RTP as the conventional base. Random Wilds and multipliers then create shorter changes between the extended rounds.

How It Plays

Regular combinations are evaluated across 25 paylines, giving each spin a fixed-line structure. Feature events then modify symbol coverage or create another chance through a Respin.

Mega Symbols can occupy a 3x3 area, while Random Wilds add substitutes without a fixed placement pattern. These changes can affect several paylines at once.

Theme & Atmosphere

Fantasy and Mythology frame Mermaid Royale as an underwater court rather than a naturalistic Sea game. Royal imagery supplies the status and ceremony implied by the title.

Gems and Treasure add material stakes to the mermaid setting. Their presence connects the submerged kingdom to discovery and wealth without displacing the central royal character.

Fantasy Mythology Gems Sea Royal Treasure

Features & Win Potential

Expanding Symbols increase the area occupied by a qualifying symbol, while Random Wilds introduce substitutions elsewhere. Respins provide another evaluation of the reels after a feature event.

Random multiplier results alter the value of selected wins, and the 3x3 Mega Symbol changes grid coverage. Both can affect several of the 25 paylines simultaneously.

Free Spins Scatter Symbol Wild Symbol Respins 5 Reels Additional Free Spins Expanding Symbols 96% RTP Free Spins Multiplier Random multiplier Random Wilds / Additional Wilds Mega Symbol (3x3)25 Paylines

Bonus & Free Spins

Free Spins create the principal extended round, with Additional Free Spins allowing the sequence to continue after it has started. A Free Spins Multiplier can raise qualifying returns.

Respins offer a shorter bonus event outside that extended sequence. Their role is to provide another reel outcome without turning every feature activation into a full Free Spins round.

Spec sheet

Mermaid Royale at a glance.

Identity

Slot nameMermaid Royale

StudioRealtime Gaming

Released12/21/2022

Math

SlotRanker Score70

RTP96.25%

Max win—

Bet range$0.25 – $125.00

Player rating3.9 / 5 · 13 votes

Format

Reels5

Paylines25

Layout5x3

Features

Themes

Expected average based on this slot's 96.25% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.75

Cost per session$3.75

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 Mermaid Royale? 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: Mediumassumed — not published for this slot

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 (96.25%), 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 Mermaid Royale

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 Mermaid Royale with other games

	Mermaid Royale Score 70This game	Pearl Catcher Score 80	Wins of Mermaid Multipower Score 80	Gems of Valhalla Score 76	Under the Sea Score 75
Identity
Studio	Realtime Gaming	All For One Studios	Fantasma Games	KingMidas Games	Betsoft
Released	12/21/2022	9/29/2022	2/13/2024	8/1/2024	5/15/2012
Math
RTP	96.25%	96.4%	96%	97%	96.4%
Volatility	—	High volatility	High volatility	Medium volatility	Low volatility
Max win	—	2,500×	10,000×	5,000×	—
Format
Reels	5	5	6	6	5
Layout	5x3	5x3	6x5	6x6	5x3
Paylines	25	243	6	—	30
Min bet	0.25	0.2	0.2	0.2	0.6
Max bet	125	20	80	100	150
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	—	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	—	—	—	—	✓
Respins	✓	—	✓	—	—

Every number is shown as a delta against Mermaid Royale.

Comparing against

Mermaid Royale

Realtime Gaming

RTP

96.25%

Max win

—

Score

+ Multiplier− Respins

Wins of Mermaid Multipower

+ Multiplier− Wild− Respins

+ Multiplier+ Bonus Game− Respins

Explore More Games with Similar RTP

	Provider	RTP	Volatility	Max win	Score
Greek Pantheon Megaways	GameArt	96.21%	High volatility	30,000×	88
Mission Coinplete	Fantasma Games	96.22%	High volatility	—	89
Piggy Cluster Hunt	Bullshark Games	96.23%	High volatility	15,000×	90
Desert Temple	Backseat Gaming	96.24%	High volatility	15,000×	88
Mermaid Royale	Realtime Gaming	96.25%	—	—	70
Joyful Joker Megaways	All For One Studios	96.25%	High volatility	23,000×	87
Bets10 Bon Bon	Lucksome	96.26%	Medium/High	20,000×	88
3 Charge Buffalo	Jili Games	96.27%	Medium/High	—	85
La Bomba	Side City Studios	96.27%	Medium/High	—	72
Crystal Robot	Backseat Gaming	96.28%	High volatility	12,500×	86
Pillars of Asgard	NextGen	96.29%	High volatility	25,000×	87