Atomic Slot Lab

Mermaid Pays

Slots Video Slots Mythology Egypt Animals Fish Sea

Sea mythology slot where mermaids repeat qualifying line wins

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

95.5%

return to player

Volatility

Medium volatility

variance

Max win

—

top multiplier

Min bet

$0.25

per spin

Reels

50 lines

Player rating

3.6 ★

20 votes

DEMO Play free, no signup

Atomic Slot Lab

Embed on your site

3.6 / 5

20 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 95.5% → 8.0/10

Volatility8/10

medium → 8.0/10

Win Potential—

no data

Features9/10

13 features → 9.0/10

Game Mechanics5.9/10

f=13 r=5 p=50 → 5.9/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.25–100 (×400) → 6.0/10

Provider Reputation6.6/10

provider avg 6.6 → 6.6/10

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: 69 — Mermaid Pays by Atomic Slot Lab

https://slotranker.com/atomic-slot-lab/mermaid-pays#score

How to cite

Slot Summary

Fifty paylines cross a five-reel field in Mermaid Pays, giving its medium-volatility math a more conventional base than its mythological subject suggests. Atomic Slot Lab makes the mermaid central to the payout logic: her symbols can match a qualifying line win and multiply its value. Free Spins keep that relationship active, add symbol substitution, and allow the round to grow through further Scatter Symbols.

How It Plays

Base play evaluates wins across 50 paylines, with Wild and Scatter Symbols supporting the regular line structure. The mermaid becomes important whenever another paying combination lands.

Instead of replacing the original line prize, each qualifying mermaid can match it. Several mermaids on the same result therefore increase the value through repeated copies of that win.

Theme & Atmosphere

The Sea setting treats the mermaid as both the Mythology figure and the game’s key paying device, connecting the subject directly to the math.

Fish and other Animals support the underwater setting without displacing the central character. Egyptian cues add ornamental detail to an otherwise clearly maritime presentation.

Mythology Egypt Animals Fish Sea

Features & Win Potential

The Multiplier effect comes from mermaid symbols matching a qualifying win. This connects the feature to ordinary payline results rather than reserving it for a separate bonus screen.

Sub Symbols In Feature removes lower-paying symbols during Free Spins, concentrating the available set. Stacked symbols and Wild Symbols can then occupy more of the active reel area.

Free Spins Multiplier Scatter Symbol Wild Symbol Medium volatility 5 Reels Sub Symbols In Feature Bonus Buy Additional Free Spins RTP range Bonus symbols Stack 50 Paylines

Bonus & Free Spins

Free Spins begin with 10 spins, and later Scatter Symbols can award Additional Free Spins. Two scatters add three spins, while three add another 10.

Bonus Buy offers a direct route into Free Spins where permitted. Once active, symbol substitution and the mermaid Multiplier distinguish the round from the base game.

Spec sheet

Mermaid Pays at a glance.

Identity

Slot nameMermaid Pays

StudioAtomic Slot Lab

Released5/31/2022

Math

SlotRanker Score69

RTP95.5%

VolatilityMedium volatility

Max win—

Bet range$0.25 – $100.00

Player rating3.6 / 5 · 20 votes

Format

Reels5

Paylines50

Layout5x4

Features

Themes

Expected average based on this slot's 95.5% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.50

Cost per session$4.50

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 Pays? 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 (95.50%), 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 Pays

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Compare Mermaid Pays with other games

	Mermaid Pays Score 69This game	Spirit of the River Score 75	Koi Gate Score 75	Divine 9 Score 55	4 Fantastic Fish in Egypt Score 84
Identity
Studio	Atomic Slot Lab	Light & Wonder	Habanero	Rarestone Gaming	4ThePlayer
Released	5/31/2022	8/31/2021	2/12/2017	5/9/2023	5/15/2023
Math
RTP	95.5%	96.7%	96.26%	95.9%	96%
Volatility	Medium volatility	High volatility	Low volatility	Medium volatility	High volatility
Max win	—	5,000×	—	—	12,000×
Format
Reels	5	6	5	3	6
Layout	5x4	6x3	5x3	3x3	6x4
Paylines	50	6	18	Pay Anywhere	4096
Min bet	0.25	0.2	0.18	0.2	0.1
Max bet	100	50	90	90	80
Features
Progressive	—	—	✓	—	—
Wild symbol	✓	✓	✓	—	✓
Free spins	✓	✓	✓	—	✓
Scatter symbol	✓	✓	✓	—	✓
Multiplier	✓	✓	✓	—	✓
Bonus game	—	—	—	✓	✓
Respins	—	—	—	✓	✓

Every number is shown as a delta against Mermaid Pays.

Comparing against

Mermaid Pays

Atomic Slot Lab

RTP

95.5%

Max win

—

Score

+ Bonus Game+ Respins− Wild− Free Spins− Scatter− Multiplier

4 Fantastic Fish in Egypt

+ Bonus Game+ Respins

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