Big Fin Bay RTP & review
by Thunderkick
Key facts
| Provider | Thunderkick |
|---|---|
| RTP | 96.14% |
| Volatility | High |
| Max win | 15,040x stake |
| Layout | 6 reels |
| Paylines / ways | 5040 ways |
Thunderkick rates volatility "High". Thunderkick lists this as the max exposure (the largest possible win).
Source: Thunderkick official game data, checked 2 November 2026.
Big Fin Bay overview
Thunderkick's Big Fin Bay is a high volatility 6-reel slot. The game pays across 5040 ways.
Its RTP is 96.14%, above the 96.07% average of the 3,742 slots in our database and higher than 59% of them. That means a house edge of 3.86%: on average the game keeps about €38.60 of every €1,000 staked.
With high volatility, expect longer runs without much coming back, with bigger wins mostly in the features. The maximum win is 15,040x your stake, so a €1 spin could pay up to €15,040, although wins anywhere near the maximum are extremely rare.
We track 68 Thunderkick slots, with an average RTP of 95.58%; Big Fin Bay is 0.56 points above it.
Like every slot, Big Fin Bay pays back less than you stake over time. Play for fun, set a budget before you start, and stop when it's gone.
Big Fin Bay FAQ
What is the RTP of Big Fin Bay?
Big Fin Bay has an RTP of 96.14%, according to Thunderkick's official game data.
Is Big Fin Bay high volatility?
Big Fin Bay is high volatility: expect longer runs without much coming back, with bigger wins mostly in the features.
What is the max win on Big Fin Bay?
The maximum win on Big Fin Bay is 15,040x your stake.
Who makes Big Fin Bay?
Big Fin Bay is made by Thunderkick.
More Thunderkick slots
| Slot | Provider | RTP | Volatility | Max win |
|---|---|---|---|---|
| 12 Bolts of Thunder | Thunderkick | 96.15% | High | 30,000x |
| 1429 Uncharted Seas | Thunderkick | 98.60% | Low | 670x |
| 3 Wildos | Thunderkick | 94.20% | High | 5,000x |
| Alice: Time Rift | Thunderkick | 94.10% | High | 7,500x |
| Arcader | Thunderkick | 96.10% | Low | 1,600x |