Key Facts
Big Bass Boom is a high (5/5)-volatility online slot from Pragmatic Play with an RTP of 97.07% and a maximum win of 5,000x.
- Provider
- Pragmatic Play
- RTP
- 97.07%
- Volatility
- High (5/5)
- Max win
- 5,000x
- Paylines
- 10
- Released
- 2024
Page updated August 2026
Real Play Data
StreamNeeds DataBig Bass Boom has been played 20 times across 20 live bonus hunts by streamers on the StreamNeeds network returning 100× the stake or more in 2 of 20 plays (10%) with a biggest recorded win of 622× on 11 Aug 2026.
- Times played
- 20
- Hit 100×+
- 10% (2/20)
- Biggest win
The Data
Method & full datasetBig Bass Boom has been opened 20 times in our recorded bonus hunts between 12 Jul 2026 and 1 Sept 2026; the median open returned 23.85× the bet, and 2 of 20 opens (10%) returned 100× or more; the biggest single result recorded was 622× the bet.
Every recorded open by result — 20 opens
- No win (0×)
- 0 (0%)
- Under 10×
- 1 (5%)
- 10–25×
- 9 (45%)
Across 20 recorded opens, the middle open on Big Bass Boom returned 23.85× the bet — 53% below the 50.8× middle open across our whole recorded dataset.
That is our recorded result over those opens, not a prediction — a slot's real maths only shows over millions of spins.
Where to Play Big Bass Boom
Spinchester
9.8
Bonus
100% up to £1,000 + 25 No Wager Free Spins
Get Upto 6010 Free Spins! + Upto 25% Cashback!
18+ | Play responsibly | Ad — we may earn a commission from these partners.
Game Review
Reviewed by Johnessy
What Big Bass Boom has actually done in our bonus hunts
We have opened Big Bass Boom 20 times across 20 separate bonus hunts between 12 Jul 2026 and 1 Sep 2026 and recorded every result. Across those 20 opens the median result was 23.85× the bet, against 50.8× for every slot in our recorded dataset. The biggest single result we have recorded on it is 621.7×. 2 of those 20 opens were 100× or better. These figures describe only the sessions we recorded — they are not this slot's RTP and they do not predict what your next bonus will do.
Big Bass Boom is an online slot from Pragmatic Play, with high (5/5) volatility, a published RTP of 97.07% and a listed maximum win of 5,000x.
RTP varies between casino configurations and markets, so check the information screen inside the version you are playing. A maximum-win figure is a theoretical ceiling, not a likely result. How these pages are researched and what the recorded play data does and does not show is set out in our editorial policy.
18+ only. Slot outcomes are random and past results do not make a win more likely — set a limit before you start.
Big Bass Boom FAQ
What is the RTP of Big Bass Boom?+
Big Bass Boom has an RTP (return to player) of 97.07%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Pragmatic Play — individual sessions can land far above or below it.
How volatile is Big Bass Boom?+
Big Bass Boom is rated high (5/5) volatility. High-volatility slots pay out less often, but wins tend to be bigger when they land — expect longer dry spells and larger swings to your balance.
