Nucleus Gaming

Shark Spin

Slots Video Slots Mythology Animals Fish Shark Sea

Sea slot centered on expanding Shark Wilds and locked respins

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

97.03%

return to player

Volatility

—

variance

Max win

—

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

4.5 ★

16 votes

DEMO Play free, no signup

Nucleus Gaming

Embed on your site

4.5 / 5

16 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 & RTP10/10

RTP 97.03% → 10.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential—

no data

Features6/10

8 features → 6.0/10

Game Mechanics5.1/10

f=8 r=5 p=10 → 5.1/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation6.3/10

provider avg 6.3 → 6.3/10

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: 68 — Shark Spin by Nucleus Gaming

https://slotranker.com/nucleus-gaming/shark-spin#score

How to cite

Slot Summary

For a reader who ranks return before feature count, Shark Spin's 97.03% RTP is the clearest reason to inspect its otherwise direct setup. Nucleus Gaming gives the Sea theme one decisive mechanical interruption: the Shark Wild can expand across a middle reel, lock, and force a respin. Free Spins preserve that interaction instead of replacing it with a separate ruleset, keeping the game's identity focused and easy to read.

How It Plays

Regular wins are evaluated across ten fixed paylines that pay in both directions. That creates a direct line-pay cycle before any expanding symbol interrupts it.

The main change of state occurs when the Shark Wild occupies a middle reel. The covered reel stays fixed while the remaining reels spin again.

Theme & Atmosphere

Sea, Fish, and Animals imagery provides an immediate hierarchy: ordinary marine life supplies the regular symbols, while the Shark receives the dominant mechanical role.

The Neptune's Horn trigger adds a Mythology cue without displacing the Sea setting. It functions as a recognizable signal for the separate Free Spins round.

Mythology Animals Fish Shark Sea

Features & Win Potential

The Expanding Symbols feature applies to the Wild Symbol on the middle reels. Once expanded, that Respin Wild covers its reel and remains locked for another result.

Further wild appearances can produce additional Respins, with as many as three linked respins documented. Wild substitution remains active while the covered reels accumulate.

Free Spins Wild Symbol Respins 5 Reels Expanding Symbols 10 Paylines Respin Wild 97% RTP

Bonus & Free Spins

Free Spins are awarded when three Neptune's Horn symbols occupy the middle reels. The round supplies ten spins and retains the expanding Respin Wild behavior from base play.

Spec sheet

Shark Spin at a glance.

Identity

Slot nameShark Spin

StudioNucleus Gaming

Released8/16/2021

Math

SlotRanker Score68

RTP97.03%

Max win—

Bet range$0.10 – $100.00

Player rating4.5 / 5 · 16 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 97.03% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.19

Cost per session$1.19

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 Shark Spin? 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 (97.03%), 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 Shark Spin

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 Shark Spin with other games

	Shark Spin Score 68This game	Poseidon Score 80	Release the Kraken Score 76	Siren's Spell Score 75	Dorks of the Deep Score 68
Identity
Studio	Nucleus Gaming	Tada Gaming	Pragmatic Play	Habanero	Hacksaw Gaming
Released	8/16/2021	10/2/2024	1/28/2020	6/27/2023	3/13/2025
Math
RTP	97.03%	97.11%	95.5%	96.79%	96.2%
Volatility	—	Medium volatility	High volatility	High volatility	Medium volatility
Max win	—	20,000×	10,000×	3,351×	10,000×
Format
Reels	5	6	5	5	6
Layout	5x3	6x5	5x3	5x3	6x4
Paylines	10	Pay Anywhere	20	25	14
Min bet	0.1	0.2	0.2	0.25	0.1
Max bet	100	100	5	500	10
Features
Progressive	—	—	—	—	—
Wild symbol	✓	—	✓	—	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	—	✓	✓	✓	✓
Multiplier	—	✓	✓	—	—
Bonus game	—	—	✓	—	—
Respins	✓	—	✓	—	—

Every number is shown as a delta against Shark Spin.

Comparing against

Shark Spin

Nucleus Gaming

RTP

97.03%

Max win

—

Score

+ Scatter+ Multiplier− Wild− Respins

+ Scatter+ Multiplier+ Bonus Game

+ Scatter− Wild− Respins

Explore More Games with Similar RTP

	Provider	RTP	Volatility	Max win	Score
Golden Shot (Advant play)	Advant Play	96.99%	Medium/High	12,800×	82
Maria’s Piggy Bank	Elbet	97%	High volatility	15,000×	88
Aztec: Bonus Hunt 2 Xmas	Advant Play	97.01%	Medium/High	12,000×	87
Fish Prawn Crab Bonanza	Advant Play	97.02%	Medium/High	20,000×	87
Shark Spin	Nucleus Gaming	97.03%	—	—	68
RoxDogs	Popiplay	97.03%	High volatility	30,000×	90
Mega Ace (5G Games)	5G Games	97.04%	High volatility	40,000×	86
Roma II	Nextspin	97.05%	Medium volatility	—	84
Treasure of Atlantis	Nextspin	97.06%	High volatility	500×	76
Football Fever	Advant Play	97.07%	High volatility	70,000×	89
Multi Billyonaire	Amatic	97.08%	High volatility	—	83