Big Bass Bonanza slot overview
Big Bass Bonanza from Pragmatic Play and Reel Kingdom is one of the UK's favourite fishing slots – and the game PlayOJO's 80 no-wagering free spins are played on. First released in 2020, it remains a staple at UK online casinos.
How to play Big Bass Bonanza
Big Bass Bonanza is played on 5 reels and 3 rows with 10 fixed paylines. Fish symbols carry random cash values, but they are only collected during free spins.
- Choose your stake – up to the UK maximum of £5 per spin (£2 for players aged 18–24).
- Spin the reels and watch for wilds and scatters.
- Trigger the bonus features for the biggest wins.
Big Bass Bonanza features and free spins
Free spins
Land 3, 4 or 5 scatter symbols to win 10, 15 or 20 free spins.
Fisherman wild
During free spins, each fisherman wild collects the cash values of every fish symbol on the screen.
Retriggers and multipliers
Every fourth fisherman collected retriggers 10 extra spins, with multipliers of 2x, 3x and then 10x applied to collected values.
Big Bass Bonanza RTP and volatility
Big Bass Bonanza is high volatility, with a published default RTP of 96.71% – one of the higher RTPs among popular UK slots.
Tips for playing Big Bass Bonanza
- Claim PlayOJO's 80 free spins to try it with no wagering on winnings.
- The free spins round is where the big wins come – the base game is fairly quiet.
- Try sequels such as Big Bass Vegas 1000 on our new slots page.
Big Bass Bonanza pros and cons
Pros
- High 96.71% default RTP
- Retriggers with rising multipliers
- Free spins at PlayOJO
Cons
- Free spins can take a while to land
- 2,100x max win is modest for high volatility
Big Bass Bonanza vs similar slots
| Slot | Developer | RTP | Volatility | Ways to win |
|---|---|---|---|---|
| Big Bass Bonanza | Pragmatic Play | 96.71% | High | 10 paylines |
| Book of Dead | Play'n GO | 96.21% | High | 10 paylines |
| Sweet Bonanza | Pragmatic Play | 96.48% | High | Scatter pays |
| Gates of Olympus | Pragmatic Play | 96.50% | High | Scatter pays |
Book of Dead, Sweet Bonanza, Gates of Olympus are good alternatives if you enjoy Big Bass Bonanza.
Big Bass Bonanza on mobile and in demo mode
Big Bass Bonanza is fully playable on mobile in casino apps and browsers. You can also try it in demo mode at UK-licensed casinos once you have verified your age – a good way to see how often the features trigger before playing for real.
Our verdict on Big Bass Bonanza
Big Bass Bonanza is a high volatility slot from Pragmatic Play with a 96.71% default RTP. Its standout strength is high 96.71% default RTP; the main thing to be aware of is that it has free spins can take a while to land. Set a budget that can handle quiet spells.
Where to play Big Bass Bonanza in the UK
Big Bass Bonanza is widely available at leading UK casinos. Check the game lobby at your chosen casino, and compare welcome offers below.
See every offer on our casino bonuses page, or browse more video slots.
Frequently asked questions
What is the RTP of Big Bass Bonanza?
The developer's published default RTP is 96.71%. Check the game's help screen, as casinos can run different versions.
Is Big Bass Bonanza high volatility?
Big Bass Bonanza is high volatility.
What is the max win on Big Bass Bonanza?
The maximum win is 2,100x your stake.
Can I play Big Bass Bonanza for free?
Yes, in demo mode at UK-licensed casinos once you have verified that you are 18 or over.
Where can I play Big Bass Bonanza with free spins?
PlayOJO gives new customers 80 free spins on Big Bass Bonanza for a £10 first deposit, with no wagering on winnings.