Free spins
Three, four or five scatters award 10, 15 or 20 free spins.
Slot review · Pragmatic Play
Big Bass Bonanza slot: RTP 96.71%, features and cost per spin
The fishing slot that started the Big Bass series: in the free spins the fisherman wild collects fish money symbols worth up to 2,000x.
Below: what it costs per spin in shillings, how the features work and which slot sites carry it.
5×3, 10 paylines
Free demo
Play Big Bass Bonanza
- RTP
- 96.71%
- Volatility
- Medium
- Reels · paylines
- 5 · 10
- Bet range
- 0.10–250
- Studio
- Pragmatic Play
By
Amelia Nguyen
Updated 6 Oct 2026
Short answer
What Big Bass Bonanza pays back and costs
Big Bass Bonanza returns 96.71% of stakes over the long run in the version we list, so the house edge is 3.29%. At KSh 20 a spin, 1,000 spins cost about KSh 658 on average, and KSh 1,000 lasts about 1,520 spins. The figure that counts is the one in the game rules at your casino, so check it before you play.
- RTP
- 96.71% version we list
- 1,000 spins at KSh 20
- KSh 658 average cost
- 1 hour at KSh 20
- KSh 395 600 spins
- KSh 1,000 lasts
- 1,520 spins at KSh 20, on average
Big Bass Bonanza in numbers
-
96.71%
Big Bass Bonanza pays back 96.71%, the figure Pragmatic Play lists.
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KSh 658
Average cost of 1,000 spins at KSh 20. One session can end far above or below it.
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Retrigger ladder
Every fourth fisherman collected adds 10 more spins and raises the win multiplier: 2x, then 3x, then 10x on the third retrigger.
Big Bass Bonanza at a glance
| Studio | Pragmatic Play |
|---|---|
| RTP | 96.71% |
| Volatility | Medium |
| Reels | 5 |
| Paylines | 10 |
| Minimum bet | 0.10 |
| Maximum bet | 250 |
| Layout | 5×3, 10 paylines |
| Themes | Fish |
| Free demo | Yes |
Bets are the studio's own limits in its base currency; each casino sets its own limits. Layout: Pragmatic Play, Big Bass Bonanza game page.
What Big Bass Bonanza costs per spin
Expected cost = bet × spins × (1 − RTP), at 96.71%.
| Bet per spin | 100 spins | 1,000 spins | 1 hour (600 spins) | vs median 96.01% |
|---|---|---|---|---|
| KSh 10 | KSh 33 | KSh 329 | KSh 197 | −KSh 70 |
| KSh 20 | KSh 66 | KSh 658 | KSh 395 | −KSh 140 |
| KSh 50 | KSh 165 | KSh 1,645 | KSh 987 | −KSh 350 |
| KSh 100 | KSh 329 | KSh 3,290 | KSh 1,974 | −KSh 700 |
How to check the version
Open the game, tap the i or menu icon and find the theoretical RTP in the rules. That is the version you are playing.
What it means: If the rules show a lower figure than the one in the table, every spin costs more on average.
Features
How Big Bass Bonanza pays
Fisherman collects
During free spins every fisherman wild collects the value of all fish money symbols on screen. Fish can carry up to 2,000x.
What it means: The base game is mostly line hits; the money is in the bonus.
Retrigger ladder
Every fourth fisherman collected adds 10 more spins and raises the win multiplier: 2x, then 3x, then 10x on the third retrigger.
What it means: Reaching the 10x level takes twelve fishermen, so most bonuses end on the first level.
Features: Pragmatic Play, Big Bass Bonanza game page.
Compare
The Big Bass slots compared
Layout, bonus and RTP as Pragmatic Play lists them on each game page. The version we list can differ; the game rules at your casino decide.
| Slot | Layout | Bonus | Biggest stated value | RTP (Pragmatic Play) |
|---|---|---|---|---|
| Big Bass Bonanza | 5×3, 10 lines | 10–20 free spins | Fish up to 2,000x | 96.71% |
| Bigger Bass Bonanza | 5 reels × 4 rows | 10–20 free spins | Fish up to 4,000x | 96.71% |
| Big Bass Bonanza Megaways | Megaways | 10–25 free spins | Fish up to 4,000x | 96.70% |
| Big Bass Christmas Bash | 5×3, 10 lines | 10+ spins, 5 modifiers, 100x buy | Not stated | 96.71% |
| Big Bass Day at Races | 5×3, 10 lines | Free spins, horse pick | Not stated | 96.07% |
| Big Bass Halloween 2 | Not stated | 10–20 spins, random modifier | Max win 5,000x | 96.71% |
| Big Bass Mission Fishin | Not stated | Free spins or Stack the Cash | Fish up to 5,000x | 96.50% |
| Big Bass Secrets of the Golden Lake | 5×3 | Up to 20 spins, two modes | Not stated | 96.07% |
| Big Bass Trophy Catch | Not stated | 10–20 spins, power-up coins | Fish up to 5,000x | 96.50% |
Pragmatic Play game pages, checked 6 Oct 2026.
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Where to play Live ranking
Casinos with Pragmatic Play slots
Each casino below has Pragmatic Play on its review. Open its lobby to confirm Big Bass Bonanza is there and check the RTP in the game rules before you deposit. We found no Kenyan licence listed for these sites; our Kenya page explains the legal position.
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1
BC.GAME KSh 3,000,000 + 1 free spin
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
2
1xBet KSh 190,000 + 150 free spins
- M-Pesa
- ✓
- Airtel Money
- ✓
- Cards
- –
1xBet review 18+ · T&Cs Apply · Play Responsibly -
3
22BET KSh 40,000
- M-Pesa
- ✓
- Airtel Money
- ✓
- Cards
- –
22BET review 18+ · T&Cs Apply · Play Responsibly -
4
Betum KSh 25,000
- M-Pesa
- ✓
- Airtel Money
- –
- Cards
- ✓
Betum review 18+ · T&Cs Apply · Play Responsibly -
5
AvaBet KSh 190,000 + 300 free spins
- M-Pesa
- ✓
- Airtel Money
- –
- Cards
- ✓
AvaBet review 18+ · T&Cs Apply · Play Responsibly -
6
Betwinner KSh 200,000 + 150 free spins
- M-Pesa
- ✓
- Airtel Money
- ✓
- Cards
- –
Betwinner review 18+ · T&Cs Apply · Play Responsibly -
7
Captainsbet 30 free spins
- M-Pesa
- ✓
- Airtel Money
- ✓
- Cards
- ✓
Captainsbet review 18+ · T&Cs Apply · Play Responsibly -
8
Ivibet KSh 13,000 + 120 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- –
Ivibet review 18+ · T&Cs Apply · Play Responsibly -
9
Mostbet KSh 50,000 + 250 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
10
1xSlots KSh 190,000 + 150 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
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18+ · T&Cs Apply · Play Responsibly
Payment ticks come from each casino's live payment list; a dash means it is not listed, not that it is missing.
Big Bass Bonanza: questions and answers
What is the RTP of Big Bass Bonanza?
96.71%, the same figure Pragmatic Play lists on its game page. That leaves a house edge of 3.29%: over many spins you lose about 3.29% of what you stake, on average. The version that counts is the one in the game rules at your casino.
How do the free spins work in Big Bass Bonanza?
Three to five scatters give 10–20 free spins. Fisherman wilds collect all visible fish money values, and every fourth fisherman adds 10 spins with a 2x, 3x and then 10x multiplier.
How much does an hour of Big Bass Bonanza cost at KSh 20 a spin?
About KSh 395 on average for 600 spins at 96.71%. Real sessions swing well above and below that figure, so set your limit before you start.
Can I play Big Bass Bonanza for free in Kenya?
Yes. The demo on this page runs Pragmatic Play's own build, with no account or deposit. Demo credits have no cash value, and a casino can run a different RTP version than the demo.
Can I use M-Pesa to play Big Bass Bonanza?
Several casinos in our list take M-Pesa or Airtel Money; the casino table on this page shows which ones. You must be 18 or older to play.
18+
Responsible gambling
Play only if you are 18+ and set a limit first
Decide your budget in shillings before the first spin and stop when it is gone. The costs on this page are averages: one session of Big Bass Bonanza can end far above or below them. If gambling stops being fun, our help pages list where to get support.