Big Fin Bay Slot Demo
Big Fin Bay Slot Stats
Big Fin Bay runs on a 6 reel set up where each spin throws up between two and seven symbols per reel, giving a fixed 5,040 ways in the base game. Stakes start at ten pence and go up to one hundred pounds a spin, which suits both grinders and high rollers. The RTP sits at 96.14 per cent and the game is highly volatile with a 15,040 times stake max win.
Where Big Fin Bay really opens up is in the bonus, when the reels stretch towards the full seven high and pay ways can reach 117,649. There is no feature buy, so you grind it out the old way and hope the scatters land before the balance disappears. From my sessions the slot can feel quite streaky, with long dry spells broken by the odd chunky hit when expanding wilds line up.

How to Play Big Fin Bay Free Demo Slot
Thunderkick keep the set up in Big Fin Bay nice and clean, so even in demo mode it takes seconds to get going. I load the slot, open the bet selector and pick a stake level that would feel sensible in real money, then hit spin. The control panel also has turbo and sound toggles, so you can tweak the pace and atmosphere before you start your fishing session properly.
When I test a new release like Big Fin Bay I often use autoplay in demo to get a feel for the hit rate. You choose a number of spins, set loss and win limits, then sit back while the reels do their thing. It is a good way to see how often the Mystery Wild feature shows, how quickly the bonus seems to arrive and how punishing the downswings can be.
How to Play Big Fin Bay Quick Tips
In live play Big Fin Bay is straightforward. First, pick a bet that fits your bankroll, as the high volatility can chew through funds. Then spin manually or set a small autoplay block and watch for stacked fish or fishermen on the leftmost reels. I like to stop autospins after any sizeable hit or when two scatters land, as the game often feels like it can tease features in clusters.
Winning Combinations & Payouts in Big Fin Bay
Big Fin Bay uses a mix of card ranks and fishing icons on the reels. The low pays are nines through aces, while the premiums are four different fish and the fisherman himself. Wins form from left to right on adjacent reels, with three or more matching symbols needed, except the fisherman who pays from two of a kind. Low symbols pay around 0.3 to 1 times stake for six, premiums rise to seven times.
On paper those line wins look modest, but Big Fin Bay is all about volume of ways and multiplying hits through stacked symbols and expanding wilds. Full reels of the same fish across several columns can add up quickly, especially once the reels have grown in the bonus. In my experience, most base game returns come from clusters of mid level wins in a single spin rather than one monster combination.
Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
|
| 6 | x7 |
| 5 | x4 | |
| 4 | x3 | |
| 3 | x2 | |
| 2 | x1 | |
|
| 6 | x3.2 |
| 5 | x2.2 | |
| 4 | x1.5 | |
| 3 | x1 | |
|
| 6 | x3 |
| 5 | x2 | |
| 4 | x1.4 | |
| 3 | x1 | |
|
| 6 | x2.2 |
| 5 | x1.4 | |
| 4 | x1.2 | |
| 3 | x0.8 | |
|
| 6 | x2 |
| 5 | x1.2 | |
| 4 | x1 | |
| 3 | x0.8 | |
|
| 6 | x1.5 |
| 5 | x1 | |
| 4 | x0.6 | |
| 3 | x0.4 | |
|
| 6 | x1.4 |
| 5 | x0.7 | |
| 4 | x0.6 | |
| 3 | x0.4 | |
|
| 6 | x1.2 |
| 5 | x0.6 | |
| 4 | x0.5 | |
| 3 | x0.3 | |
|
| 6 | x1 |
| 5 | x0.5 | |
| 4 | x0.4 | |
| 3 | x0.3 | |
|
| 6 | x0.8 |
| 5 | x0.5 | |
| 4 | x0.4 | |
| 3 | x0.3 | |
|
| 6 | x0.8 |
| 5 | x0.5 | |
| 4 | x0.4 | |
| 3 | x0.3 | |
|
|
Wild | |
|
|
Scatter | |
Big Fin Bay Special Symbols
Beyond the standard paytable, Big Fin Bay leans heavily on its two special symbols. The Golden Marlin wild appears on all six reels and substitutes for anything except scatters, helping to connect those tricky five or six reel fish wins. The Anchor scatter is the ticket into the free spins, and seeing three or more anchors drop in one spin is where the slot really starts to show what it can do.
The wilds in Big Fin Bay have a neat twist. Any time a wild takes part in a winning combination it stretches to cover the whole reel, often pulling extra ways into play. On top of that there is the random Mystery Wild feature, which can turn up to three full reels wild on any spin. Those moments are usually when the base game actually wakes up and throws some respectable totals around.
Anchor scatters have their own quirk. It is not just how many scatters you land, but the reels they appear on, because each scatter reel awards between one and six free spins. In the best case you can walk into the bonus with thirty six spins queued up and a very mixed set of reel heights. That randomness keeps the build up fresh, and I find it adds a nice layer of anticipation.
Big Fin Bay Bonus Game
The bonus game in Big Fin Bay is where the maths model really kicks off. During free spins, every time a wild lands and helps a win it expands to fill the reel and then triggers a respin. Before that respin starts, an extra symbol is added to that reel, effectively growing it taller. Reels never shrink during the feature, so you can slowly build towards seven high columns and a huge number of ways.
Each reel that reaches the full seven symbols tall throws in three extra free spins, so the feature can go on for quite a while when things fall right. Maxed out you get 117,649 ways, stacked fish and marlin wilds everywhere, and that is where the 15,040 times stake potential sits. In reality I usually end up somewhere in the middle, with a few reels grown and a bonus worth fifty to two hundred times.

Big Fin Bay Final Thoughts
For me Big Fin Bay hits a nice spot between old school fishing graphics and modern ways mechanics. The base game can drag, so it suits players who enjoy chasing weighty bonuses rather than constant small hits. When the wilds behave and the reels stretch, the slot feels capable of something serious, but you need a steady bankroll and a bit of patience to see it at its lively best.
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FAQs About Big Fin Bay
Absolutely! You can enjoy Big Fin Bay for free on our website without registration. Our partner casinos of Thunderkick also usually offer demo mode access.
Yes, to win real money in Big Fin Bay, you'll need to create an account at a licensed casino site. You can then play for real and win up to x15040.
Yes, Big Fin Bay is fully optimized for mobile devices and runs smoothly on any devices.
Compare Big Fin Bay With Other Slots
| Slot | Rating | Software | Release Date | Volatility | RTP | Bet Range | Max Win | Number of Reels | Number of Betways |
|---|---|---|---|---|---|---|---|---|---|
| Big Fin Bay | 8 | Thunderkick | 2021-03-31 | High | 96.14% | 0.10 - 100 | x15040 | 6 | 5040 - 117649 |
| Baron Bloodmore and the Crimson Castle | Thunderkick | 2021-05-19 | High | 96.15% | 0.10 - 100 | x25000 | 5 | 25 | |
| Pyramyth | 7 | Thunderkick | 2021-08-18 | High | 96.17% | 0.10 - 100 | x10000 | 5 | 15 |
| Gods of Rock | 8.5 | Thunderkick | 2021-09-29 | High | 96.05% | 0.10 - 100 | x20000 | 6 | 466 |
| Fortune Cats Golden Stack | 8 | Thunderkick | 2021-12-08 | Average | 96.14% | 0.10 - 100 | x2500 | 5 | 40 - 120 |
| Odin’s Gamble | 8 | Thunderkick | 2022-01-26 | High | 96.17% | 0.10 - 100 | x19333 | 6 | 466 |
| Lava Lava | Thunderkick | 2022-03-22 | High | 96.14% | 0.10 - 100 | x10000 | 5 | 15 | |
| Lost City of the Djinn | Thunderkick | 2022-05-25 | High | 96.07% | 0.10 - 100 | x25000 | 5 | 25 | |
| Shifting Seas | 7.5 | Thunderkick | 2022-08-10 | High | 96.15% | 94% | 92% | 90% | 0.10 - 100 | x15000 | 6 | 117649 |
| Phoenix Paradise | 8.5 | Thunderkick | 2022-09-22 | High | 96.13% | 94.12% | 92.14% | 90.11% | 0.10 - 100 | x10000 | 5 | 15 |
| Triple Royal Gold | 6.7 | Thunderkick | 2022-10-19 | High | 96.41% | 94.27% | 92.37% | 90.34% | 0.10 - 100 | x5000 | 3 | 27 |
| Triple Christmas Gold | 8.5 | Thunderkick | 2022-11-23 | High | 96.12% | 0.10 - 100 | x5000 | 3 | 27 |
| Rex The Hunt | 8.5 | Thunderkick | 2022-12-14 | High | 96.16% | 0.10 - 100 | x4000 | 6 | 178 |
| Cosmic Voyager | Thunderkick | 2021-01-27 | High | 96.14% | 0.10 - 100 | x5000 | 5 | 10 | |
| Crystal Quest Arcane Tower | Thunderkick | 2020-12-09 | High | 96.17% | 0.10 - 100 | x15000 | 6 | 4096 | |
| Beat the Beast Griffins Gold | 7 | Thunderkick | 2020-11-11 | High | 96.14% | 0.10 - 100 | x22222 | 5 | 9 |
| Crystal Quest: Deep Jungle | 8 | Thunderkick | 2020-10-14 | High | 96.14% | 0.10 - 100 | x15000 | 6 | 4096 |
| Jin Chan’s Pond of Riches | 8 | Thunderkick | 2020-09-16 | High | 94.27% | 0.10 - 100 | x10000 | 5 | 15 |
| Beat the Beast: Quetzalcoatl´s Trial | Thunderkick | 2020-08-19 | High | 96.16% | 0.10 - 100 | x5555 | 5 | 9 | |
| Beat the Beast Cerberus’ Inferno | 8 | Thunderkick | 2020-06-07 | High | 96.15% | 0.10 - 100 | x6666 | 5 | 9 |
| Pink Elephants 2 | Thunderkick | 2020-05-06 | High | 96.13% | 0.10 - 100 | x10000 | 6 | 4096 | |
| Beat the Beast: Mighty Sphinx | Thunderkick | 2020-04-08 | High | 96.14% | 0.10 - 100 | x4444 | 5 | 9 | |
| Beat the Beast: Kraken’s Lair | 8 | Thunderkick | 2020-02-19 | High | 96.12% | 0.10 - 100 | x7777 | 5 | 9 |
| Esqueleto Explosivo 2 | 7 | Thunderkick | 2020-01-22 | High | 96.13% | 0.10 - 100 | x5000 | 5 | 99 |
| Sword of Khans | Thunderkick | 2019-12-11 | High | 95.36% | 0.10 - 100 | x10000 | 5 | 10 | |
| Pelican’s Bay: Rapid Link | 6.5 | NetGaming | 2023-10-25 | Below average | 96.35% | 0.20 - 200 | x5000 | 50 - 130 | |
| Shark’s Bay | 7.5 | Zillion | 2022-07-29 | High | 94% | 0.20 - 100 | 6 | 117649 | |
| Mermaid’s Bay | 6.5 | Mascot Gaming | 2019-02-01 | Average | 96% | 0.25 - 25 | 5 | 25 | |
| Booty Bay | Push Gaming | 2021-07-15 | High | 96.41% | 0.10 - 100 | x20000 | 5 | ||
| Big Ben | 6.5 | Aristocrat | 2015-10-15 | Average | 95.55% | 0.01 - 5 | 5 | 25 |