
Big Bass Bonanza Megaways Slot Review
Free demo, RTP, volatility and max win
8.0Value score · Very good · how it works
Big Bass Bonanza Megaways review: Pragmatic Play's 2021 fishing slot with a fisherman collector, a 10x multiplier ladder and a 4,000x max win at 96.7% RTP.
- #312by RTP of 3,708 slots
- #16by value of 152 slots from 2021
- #87by value of 632 Pragmatic Play slots
Play Big Bass Bonanza Megaways free: demo, no sign-up

Free play money from Pragmatic Play's official demo. 18+. No deposit and no account; a demo does not predict real results.
Basic information
| Software | Pragmatic Play |
|---|---|
| Release year | 2021 |
| Theme | Fishing slots |
| RTP | 96.7% |
| Volatility | Not published |
| Max win | x4,000 |
| Hit frequency | Not published |
| Features | Megaways, Free spins |
| Game type | Slot |
| Data verified | 2026-09-28 |
Source: Pragmatic Play game page; RTP database by toolsgambling.com (CC BY 4.0); image: Pragmatic Play promotional image from the official game page. How we collect data · Report a mistake
Big Bass Bonanza Megaways review
Pragmatic Play rebuilt its 2020 fishing slot on Megaways reels in 2021. The bonus keeps the idea behind the original: money symbols collect on the screen and a fisherman symbol sweeps them up. The studio puts the largest money symbol at 4,000x the bet, which matches the top win in our catalogue. Volatility is not published, so the review leans on the RTP and the bonus rules, which the studio describes in some detail.
Fishing on Megaways reels
Our catalogue marks this release as a Megaways game, and it is listed as a later entry in the Big Bass Bonanza series. The studio text gives neither a grid size nor a ways count for the base game, so none is stated here. What the text does describe is the bonus, and that is where the design puts its weight.
Money symbols are the centre of the round. The studio says they can carry values of up to 4,000x the bet inside the bonus game, so a single symbol can be worth the whole top prize on its own.
How the free spins work
The scatter count sets the length of the bonus. Each extra scatter beyond the third adds spins, and the round is built around collecting money symbols and growing a multiplier. Retriggers are tied to the fisherman, not to more scatters.
Scatter trigger
Three, four, five or six scatters award 10, 15, 20 and 25 free spins. That gives a spread from a short round to one two and a half times as long, depending on how many land together.
Fisherman collector
During the free spins, a fisherman that lands at the same time as money symbols collects the values of all of them on the screen. Collection depends on the two meeting on one spin, so a fisherman landing alone has nothing to take.
Retrigger and multiplier
Every fourth fisherman awards 10 more free spins. It also raises the win multiplier along a fixed ladder: 2x, then 3x, then a final 10x. Because the ladder ends at 10x, the later fishermen matter far more than the first.
The 4,000x ceiling
The catalogue lists a max win of 4,000x the bet, the same figure the studio gives for the biggest money symbol. At a $0.20 bet that is $800, at $1 it is $4,000 and at $5 it is $20,000. Those are the caps, not typical results.
For comparison, the first Big Bass Bonanza lists 2,100x in our catalogue, so the Megaways version roughly doubles the ceiling while keeping nearly the same return.
RTP and cost of play
Only one RTP is on record, 96.7%, which leaves a house edge of 3.3%. In plain terms, $1,000 of total bets costs about $33 on average over a long run. The cost does not arrive evenly. A session of 100 spins at $0.20 averages a $0.66 loss, at $1 it averages $3.30, and at $5 (a total of $500 wagered) it averages $16.50.
The studio does not publish a volatility rating and neither does the catalogue, so we make no claim about how often the bonus arrives.
Alternatives
The original Big Bass Bonanza posts 96.71% from 2020. Among other Megaways titles with similar numbers, Madame Destiny Megaways lists 96.56%, Power of Thor Megaways 96.55% and Buffalo King Megaways 96.52%, all with a 5,000x max win. Extra Juicy Megaways, from 2022, is rated High at 96.42%.
Pros
- Fisherman collector gathers every money symbol on the screen
- Win multiplier ladder of 2x, 3x and 10x tied to every fourth fisherman
- Up to 25 free spins for six scatters
- Free official demo available
Cons
- No volatility rating published, so bonus frequency is unknown
- Catalogue max win of 4,000x is lower than several Megaways peers at 5,000x
Verdict
Big Bass Bonanza Megaways is a bonus-driven fishing slot: collection in the free spins, a multiplier that tops out at 10x and a 4,000x ceiling. The 96.7% RTP is close to the original, and a house edge of 3.3% means it is still paid entertainment, not income. With volatility unpublished, treat the official demo as the way to judge pace before betting anything.
Sources: Pragmatic Play official game page; RTP, volatility and max win from the open Slot RTP Database.
Big Bass Bonanza Megaways series
14 other games of the same franchise by Pragmatic Play, oldest first. Compare all 27 Big Bass slots
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Big Bass Bonanza Megaways RTP
The data lists one RTP for Big Bass Bonanza Megaways. Versions are not tracked for Pragmatic Play games, so other versions may exist; check the game's info screen.
- 96.7% $33 lost per $1,000
Cost of 100 spins
| Bet | Wagered | Average cost at 96.7% |
|---|---|---|
| $0.20 | $20 | $0.66 |
| $1 | $100 | $3.30 |
| $5 | $500 | $16.50 |
Averages computed from the published RTP; real sessions vary widely around them. RTP calculator
Big Bass Bonanza Megaways max win, volatility & stats
- Value score
- 8.0 / 10
- Lost per $1,000 (average)
- $33
- Max win at $1 bet
- $4,000
- Wins on average
- –
Percentiles compare this game with the 3,708 games in the catalogue. Max win: 4,000×.

























