Spinberry

Super Tuna Overload

Fishing slot with upgrading tuna and a post-bonus decision

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

93.24%

return to player

Volatility

Medium volatility

variance

Max win

—

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

4.1 ★

2 votes

DEMO Play free, no signup

Spinberry

Embed on your site

4.1 / 5

2 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 & RTP5/10

RTP 93.24% → 5.0/10

Volatility8/10

medium → 8.0/10

Win Potential—

no data

Features4/10

5 features → 4.0/10

Game Mechanics4.2/10

f=5 r=5 p=10 → 4.2/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility8/10

0.1–200 (×2000) → 8.0/10

Provider Reputation5.3/10

provider avg 5.3 → 5.3/10

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: 45 — Super Tuna Overload by Spinberry

https://slotranker.com/spinberry/super-tuna-overload#score

How to cite

Slot Summary

A fishing slot with a plain ten-line base but a consequential post-bonus choice is the space Super Tuna Overload occupies. Spinberry reserves its defining ideas for Free Spins, where weaker winning tuna can change into the strongest tuna on the line. Once that round ends, Feature Respin asks whether to keep the result or replace it with one replay. Medium volatility sits beside a comparatively low 93.24% RTP.

How It Plays

The base game uses 10 fixed lines across a 5x3 layout. Matching symbols must begin on the leftmost reel, and only the highest combination on each line pays.

Most of the game's distinct behavior appears after Free Spins activate. Feature Respin then offers one replacement run, so accepting it means surrendering the completed bonus total.

Theme & Atmosphere

The Fish theme takes place aboard a working vessel, with tuna, fishing equipment, and open water supplying a practical commercial-fishing tone rather than a fantasy setting.

Different tuna values matter mechanically as well as visually. The theme becomes part of the payout logic when weaker fish on a winning line change into its strongest tuna.

Fish

Features & Win Potential

Wild symbols substitute within ordinary line combinations, while Scatter symbols provide the connection to Free Spins. The base game otherwise keeps attention on direct left-to-right wins.

Substitution of winning symbols becomes significant in Free Spins, where weaker tuna in a qualifying line can change into the strongest tuna represented on that line.

Free Spins Scatter Symbol Wild Symbol Additional Free Spins Substitution of wining symbols

Bonus & Free Spins

Free Spins contain the tuna-upgrade rule and can award Additional Free Spins. Their result may later be kept or replaced through the separately documented post-feature decision.

Spec sheet

Super Tuna Overload at a glance.

Identity

Slot nameSuper Tuna Overload

StudioSpinberry

Released7/23/2026

Math

SlotRanker Score45

RTP93.24%

VolatilityMedium volatility

Max win—

Bet range$0.10 – $200.00

Player rating4.1 / 5 · 2 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 93.24% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.70

Cost per session$2.70

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 Super Tuna Overload? 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 (93.24%), 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 Super Tuna Overload

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 Super Tuna Overload with other games

	Super Tuna Overload Score 45This game	Big Bass Hold and Spinner Megaways Score 89	Jawsome Score 89	Freaked Out Fish Score 88	Razor Returns Score 87
Identity
Studio	Spinberry	Reel Kingdom	Massive Studios	Blue Guru Games	Push Gaming
Released	7/23/2026	8/28/2023	3/8/2025	9/26/2024	7/4/2023
Math
RTP	93.24%	96.7%	96.65%	96.02%	96.55%
Volatility	Medium volatility	High volatility	High volatility	High volatility	High volatility
Max win	—	20,000×	50,000×	30,000×	100,000×
Format
Reels	5	6	6	7	5
Layout	5x3	6-9-9-9-9-6	6x6	7x7	5x5
Paylines	10	147456	Cluster Pays	0	40
Min bet	0.1	0.2	0.2	0.15	0.2
Max bet	200	250	100	45	100
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	—	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	—	✓	—	—	✓
Respins	—	✓	—	—	—

Every number is shown as a delta against Super Tuna Overload.

Comparing against

Super Tuna Overload

Spinberry

RTP

93.24%

Max win

—

Score

Big Bass Hold and Spinner Megaways

+ Multiplier+ Bonus Game+ Respins

+ Multiplier+ Bonus Game

Explore More Games with Similar RTP

	Provider	RTP	Volatility	Max win	Score
Wild Esqueleto Lightning Chase	Boomerang Studios	93.19%	Medium/High	5,000×	64
Buffalo Wilds	Spinberry	93.2%	Medium/High	—	72
Zeus	Tada Gaming	93.21%	Medium/High	10,000×	67
Bullets For The Bonus	Spinberry	93.22%	High volatility	—	60
Fu Frog Animals	Zitro Games	93.23%	—	—	63
Super Tuna Overload	Spinberry	93.24%	Medium volatility	—	45
Super Hot Flaming Jesters	Spinberry	93.24%	Medium volatility	1,000×	44
Tuna Overload	Spinberry	93.25%	—	1,000×	57
Championship Fortunes	Spinberry	93.26%	—	1,000×	62
Goal Multiplier	Spinberry	93.27%	—	1,785×	54
Rainbow of Stars	Spinberry	93.28%	High volatility	—	51

01What happens to tuna symbols during Free Spins?

When a winning line contains different tuna values, the weaker tuna can change to match the strongest tuna present before that win is calculated.

02How does Feature Respin work?

After Free Spins, the player may keep the feature total or replay the bonus once. Choosing the replay discards the original result rather than adding to it.

03What are the RTP and volatility?

Super Tuna Overload has a listed RTP of 93.24% and Medium volatility. These describe long-run math and risk distribution, not a forecast.

04How many paylines does the game use?

The base game uses 10 fixed paylines across five reels and three rows, with wins evaluated from the leftmost reel.

No player notes yet

Be the first to share your experience with this slot.