Big Bass Bonanza, released by Pragmatic Play in December 2020, is a fishing-themed slot on a conventional 5x3 grid with 10 fixed paylines - a plainer structure than the cluster-pay titles that dominate the rest of GoldSpin's Pragmatic Play catalogue.
Verified RTP and the volatility split between sources
The default RTP configuration commonly listed for Big Bass Bonanza is 96.71%, per SlotCatalog and CasinoTop's game data - above the industry average for a slot of this age. Volatility is where sources diverge: Pragmatic Play's own classification and several review portals list it as high, while others describe it as medium-high, pointing to a base game that pays modestly on its own with most of the return weighted into the bonus round. Either way, expect longer stretches between meaningful wins outside the free-spins feature.
| Metric | Value |
|---|---|
| Provider | Pragmatic Play |
| Base RTP | 96.71% |
| Volatility | High (some sources: medium-high) |
| Max win | 2,100x stake |
| Layout | 5x3, 10 fixed paylines |
The money-collect bonus mechanic
Three or more scatter symbols (the fisherman) trigger the free spins round, where cash-value fish symbols land on the reels and get collected into a running tally each time the angler's hook lands. Extra scatters during the round add more spins rather than resetting the feature, which is the main lever behind the 2,100x max-win ceiling - a single well-extended bonus round rather than base-game multipliers.
Part of a series, not a standalone release
Pragmatic Play has expanded Big Bass Bonanza into a series - Big Bass Bonanza 1000 runs a different, higher-volatility math model with its own RTP. If GoldSpin's slots hub lists a version tagged 1000 or another series entry, the RTP and volatility figures above apply only to the original Big Bass Bonanza, not the variant.
Welcome spins land elsewhere
The 100 free spins bundled into GoldSpin's welcome bonus are credited on Bonanza Billion, a BGaming title - not on Big Bass Bonanza or any other Pragmatic Play slot in the library.