RTPBOSS
Big Fin Bay

Big Fin Bay

Thunderkick2021· Adventure
Pay WaysWild
Return to player
96.14%
Independently corroborated · checked 2026-07-11
92%96% median99.5%
House edge
3.86%
Beats
43.9%
of tracked slots
Volatility
High
Max win
15,040×
Layout
Ways to win
5040 (117649 in the Bonus game) pay ways
Hit frequency
Released
2021

— means the provider does not publish that figure; we don’t guess.

How Big Fin Bay compares

Measured against everything we track, Big Fin Bay lands ahead of 43.9% of 2808 slots on published RTP (96.14%), 0.47pp above the 95.67% average of the 108 Thunderkick slots we track. Expect a long-run cost of $3.86 for every $100 in play. Thunderkick rates it high volatility. The maximum win RTPBoss records is 15,040× the stake — a theoretical maximum.

Data status

Where each figure comes from and when we last checked it. We show provider-published values with their source, and flag anything unverified rather than presenting it as certified.

RTP
Secondary source· slot.report· checked 11 Jul 2026
Max win
Source not yet documented· checked 11 Jul 2026
Volatility
Secondary source· slot.report· checked 11 Jul 2026

How we source this · Source policy · Report an issue

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FAQ

What is the RTP of Big Fin Bay?

RTPBoss records 96.14% for Big Fin Bay (independently corroborated), leaving the house a 3.86% edge over the long run. RTPBoss currently records one documented RTP value for this game. That does not prove other operator or regional configurations do not exist — check the in-game paytable at your casino.

How volatile is Big Fin Bay?

Thunderkick rates Big Fin Bay as high volatility. High volatility generally means outcomes may vary more widely between sessions. It does not predict the result or frequency of wins in any single session.

What is the max win in Big Fin Bay?

Big Fin Bay has a recorded top multiplier of 15,040× (a legacy import). Treat it as a theoretical ceiling reached only rarely, not something to plan around.

Who made Big Fin Bay?

Big Fin Bay is made by Thunderkick, released in 2021.

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