Free spins
Three, four or five scatters award 10, 15 or 20 free spins.
Slot review · Pragmatic Play
A taller edition of Big Bass Bonanza with an extra row and fish money symbols worth up to 4,000x in the free spins.
Here you get the shilling cost per spin, the features in plain words and the sites that carry it.
Play Bigger Bass Bonanza
Short answer
Bigger Bass Bonanza returns 96.71% of stakes over the long run in the version Pragmatic Play lists, 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.
Bigger Bass Bonanza pays back 96.71%, the figure Pragmatic Play lists.
Average cost of 1,000 spins at KSh 20. One session can end far above or below it.
Each fourth wild adds 10 spins and moves the multiplier to 2x, 3x and finally 10x.
| Studio | Pragmatic Play |
|---|---|
| RTP | 96.71% |
| Volatility | High |
| Reels | 5 |
| Paylines | 12 |
| Minimum bet | 0.12 |
| Maximum bet | 240 |
| Layout | 5 reels × 4 rows |
| 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, Bigger Bass Bonanza game page. RTP: Pragmatic Play, Bigger Bass Bonanza game page.
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 |
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
Three, four or five scatters award 10, 15 or 20 free spins.
Fish money symbols can carry up to 4,000x, twice the cap of the original Big Bass Bonanza.
What it means: Same mechanic, higher ceiling: expect a longer wait for a big bonus.
Wilds collect every visible money symbol during the bonus.
Each fourth wild adds 10 spins and moves the multiplier to 2x, 3x and finally 10x.
Features: Pragmatic Play, Bigger Bass Bonanza game page.
Compare
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
Each casino below has Pragmatic Play on its review. Open its lobby to confirm Bigger 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.
Payment ticks come from each casino's live payment list; a dash means it is not listed, not that it is missing.
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.
Three to five scatters award 10–20 free spins. Fisherman wilds collect the fish money symbols, and each fourth wild adds 10 spins with a higher multiplier, up to 10x.
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.
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.
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.
Responsible gambling
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 Bigger Bass Bonanza can end far above or below them. If gambling stops being fun, our help pages list where to get support.