Big Bass Bonanza Slot by Pragmatic Play
Big Bass Bonanza is a slot by Pragmatic Play, released in 2020.
Game facts
| Provider | Pragmatic Play |
|---|---|
| Game type | Slots |
| Release date | December 2020 |
| RTP | 96.71% |
| Volatility | High volatility |
| Max win | 2,100x the betOdds: 1 in 3,880,481 |
| Reels × rows | 5 × 3 |
| Pays | 10 paylines |
| Bet range | 0.10–250 |
| Bonus buy | No |
| Wild symbol | Yes |
| Jackpot | No |
| Features | Free spinsMoney collectProgressive multiplierScatters |
| Themes | Fish |
| Devices | desktop, mobile, tablet, HTML5 |
| App | Yes — how to install |
Free demo of Big Bass Bonanza
The free demo of Big Bass Bonanza is on this page: no deposit and no real-money wins.
The demo uses virtual credits: no deposit, no real-money wins.
Where to play for real money
18+ · T&Cs apply · Gamble responsibly · Offers for your country
Real-money play is only for adults and only at licensed online casinos where online gambling is legal for you.
How to play Big Bass Bonanza
Bet range: 0.10–250
- Match symbols on one of the 10 paylines
- Collect fisherman wilds during free spins
- Every 4th wild raises the multiplier
- Add 10 free spins per 4th wild collected
Bonus features
Free spins
3, 4 or 5 scatters award 10, 15 or 20 free spins; every 4th fisherman wild collected adds 10 more spins
Multipliers
Every 4th fisherman wild collected in free spins raises the collection multiplier to 2x, then 3x, then 10x
During free spins, fisherman wilds stick around and each fourth one you collect pushes the win multiplier up to 2x, then 3x, then 10x, while money symbols carry cash values that the wilds gather for you.
RTP and volatility
| RTP version | Return per 100 staked |
|---|---|
| 96.71% | 96.71 |
| 95.67% | 95.67 |
| 94.5% | 94.50 |
The gap between versions is 2.21 per 100 staked.
The RTP of the version you play is shown in the game's information screen.
High volatility — Free spins land about once every 113 spins, and the top prize of 2100x your bet comes with odds of 1 in 3,880,481.
Other versions of Big Bass Bonanza
| Game | RTP | Max win | Volatility | Year |
|---|---|---|---|---|
| Big Bass Bonanza Megaways | 96.7% | 4,000x | High volatility | 2021 |
| Bigger Bass Bonanza | 96.71% | 4,000x | High volatility | 2021 |
| Big Bass Splash | 96.71% | 5,000x | High volatility | 2022 |
| Big Bass Bonanza Keeping it Reel | ||||
| Big Bass Amazon Xtreme | 96.07% | 10,000x | High volatility | 2023 |
Big Bass Bonanza app: download and install
The Big Bass Bonanza app for Android downloads with the button on this page.
- Tap the download button on this page to get the installation file.
- When Android asks, allow your browser to install apps from this source.
- Open the downloaded file from your notifications or downloads folder.
- Confirm the installation when prompted.
Frequently asked questions
What is the RTP of Big Bass Bonanza?
The default RTP of Big Bass Bonanza is 96.71%. Casinos can also run versions at 95.67%, 94.5%; the gap is 2.21 per 100 staked. The RTP of the version you play is shown in the game's information screen.
What is the max win in Big Bass Bonanza?
The max win in Big Bass Bonanza is 2,100x the bet. The odds of hitting it are 1 in 3,880,481. At the maximum bet that is 525,000.
How volatile is Big Bass Bonanza?
Big Bass Bonanza has high volatility. Free spins start every 113 spins on average.
How do free spins work in Big Bass Bonanza?
3, 4 or 5 scatters award 10, 15 or 20 free spins; every 4th fisherman wild collected adds 10 more spins.
Can I play Big Bass Bonanza for free?
Yes. The free demo of Big Bass Bonanza is on this page: it uses virtual credits, with no deposit and no real-money wins.
How does Big Bass Bonanza differ from Big Bass Bonanza Megaways?
The original has 10 paylines and a top win of 2100x, while the Megaways version uses a dynamic reel layout and offers a higher maximum win of 4000x.
What does the progressive multiplier do in free spins?
It grows as you collect fisherman wilds, so later wins in the bonus round can be worth several times more than earlier ones.
Similar slots
18+. Gambling involves risk; play only where online casinos are legal for you.
Updated: Nov 11, 2026