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Big Bass Bonanza is a fishing-themed, five-reel slot from Pragmatic Play and Reel Kingdom. Its defining feature is a Free Spins round in which Fisherman Wilds collect the values on visible Money Symbols. This review explains the original game’s rules, published RTP, retrigger stages and the meaning of the search phrase “Big Bass Bonanza not on GamStop” for UK readers.
The phrase describes interest in a game found on gambling sites outside the GamStop scheme; it does not mean that Big Bass Bonanza itself has a special “non GamStop” edition. GamStop applies to participating gambling operators, not individual slot titles.
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Developer |
Pragmatic Play, in collaboration with Reel Kingdom |
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Original release |
December 2020 |
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Reels and rows |
5 × 3 |
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Paylines |
10 fixed lines |
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Published headline RTP |
96.71% (developer-published headline RTP; other configurations may exist) |
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Starting Free Spins |
10 / 15 / 20 for 3 / 4 / 5 Scatters |
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Core mechanic |
Fisherman Wild collects visible fish Money Symbols during Free Spins |
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Feature progression |
Every fourth collected Fisherman adds 10 spins; multiplier steps of 2×, 3× and 10× |
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Money Symbols |
Values can reach 2,000×, according to the developer |
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Maximum win |
Maximum depends on the applicable original-game rules and version |
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Volatility |
Do not assume one label: verify the actual game information screen |
Source: Pragmatic Play’s official Big Bass Bonanza game page
The original Big Bass Bonanza uses five reels, three visible rows and ten fixed paylines. The base game relies on conventional symbol combinations. The fishing theme becomes mechanically important in Free Spins, when fish Money Symbols and Fisherman Wilds can appear together.
Money Symbols carry displayed values. During the bonus round, a Fisherman Wild collects the values of all fish Money Symbols visible on the reels. If money symbols appear without a Fisherman, those values are not collected through this feature on that spin. This is a key distinction between a visible prize and an awarded collection.
Unlike a Megaways game, Big Bass Bonanza does not increase the number of ways to win by changing reel heights. Its recognisable feature is the collection-and-retrigger system.
Pragmatic Play specifies the following starting allocations for the original game:
During Free Spins, fish Money Symbols can show values and Fisherman Wilds can collect them. Scatters, collection events and subsequent retriggers should not be confused: a feature may begin with one allotment of spins and then continue only if the retrigger condition is met.
Every fourth Fisherman collected in the feature awards an additional ten Free Spins. The first retrigger activates a 2× collection multiplier; the second reaches 3×; and the third reaches 10×. These are progressive feature milestones, not multipliers that apply to every base-game win.
The 10× stage is possible but not assured. Free Spins can finish before any retrigger, and even a lengthy feature can produce highly variable results.
The original game has been described as including a Dynamite effect during Free Spins. Rather than confuse it with mechanics introduced by later Big Bass titles, readers should consult the original game’s help screen for the exact conditions and symbol transformations in their version.
Pragmatic Play’s official page lists a headline theoretical RTP of 96.71% for Big Bass Bonanza. RTP is a mathematical long-run average across a very large number of game rounds; it is not a prediction of what one person receives back.
At that theoretical percentage, £100 in combined stakes corresponds to £96.71 in mathematical long-run returns across an extremely large sample, not necessarily in any particular £100 session. Losses can be much larger, and individual results do not have to resemble the average.
Published RTP figures may not describe every deployed configuration. Check the help, rules or information screen for the specific game version. Do not confuse the original Big Bass Bonanza with Big Bass Bonanza 1000, Big Bass Splash or other franchise releases, which can have different mathematics.
Third-party websites disagree about the volatility label applied to the original game, and the public developer page cited here does not provide a consistent directly comparable volatility classification. For that reason, this review does not assign an unverified definitive rating.
What is clear from the published feature rules is that the game’s headline bonuses depend on Scatters, Fisherman collections and retriggers. That concentration of prominent features does not prove a precise statistical volatility rating. To compare it properly with another slot, use the verified version-specific game sheet or paytable.
The developer states that fish Money Symbols can carry values up to 2,000× in the bonus feature. This is a symbol-value figure, not a promise about the amount a player will collect in a typical bonus round.
Game listings commonly quote a maximum win around 2,100× the stake for the original title. This figure should be checked against the original title’s applicable official game rules before displaying it as an unqualified specification; later games in the same series are different products.
Big Bass Bonanza established the fishing-and-Fisherman collection concept, while Big Bass Splash is a separate title with its own bonus structure and mathematical settings. They share a recognisable brand but should not be treated as interchangeable game versions.
For another game in the same family, see our Big Bass Splash slot review
To understand the wider software catalogue, read our Pragmatic Play provider guide
Searches for “Big Bass Bonanza non GamStop” and “casinos not on GamStop with Big Bass Bonanza” usually combine interest in the game with the regulatory status of the website hosting it. The operator’s licensing and eligibility are separate from the slot’s developer or game mechanics.
GamStop is a national self-exclusion system covering gambling businesses licensed in Great Britain. A casino outside that scheme should not be assumed to provide equivalent safeguards, and an overseas licence is not a substitute for the UK authorisation required to serve consumers in Great Britain.
A casino displaying a Big Bass Bonanza thumbnail also does not prove that it currently offers a genuine, authorised or accessible version of the game. This review does not maintain an independently verified casino-availability list; claims that particular offshore operators carry the original title should not be published without recent, documented checks.
UK readers can check operator licensing on the UK Gambling Commission website
For an explanation of self-exclusion, see the Gambling Commission’s GamStop guidance
Compare the original Big Bass Bonanza with Big Bass Splash or explore a very different reel mechanic in Starburst. Return to our slot games homepage for the broader glossary and game library.
No. GamStop applies to participating gambling operators, not slot games. The same game title may appear in discussions of differently licensed sites.
Pragmatic Play developed the original Big Bass Bonanza in collaboration with Reel Kingdom.
The developer publishes 96.71% as its headline theoretical RTP. Check the information panel of the particular version, since published figures do not guarantee an identical setting everywhere.
The original game awards 10, 15 or 20 initial Free Spins with three, four or five Scatters respectively.
During Free Spins, Fisherman Wilds collect the values shown on visible fish Money Symbols. Every fourth collected Fisherman can retrigger ten additional spins.
Yes, the developer describes a 10× stage following the third Fisherman retrigger. Reaching it is not guaranteed.
No. They are separate releases, and their features and RTP figures should not be mixed.
Availability cannot reliably be confirmed from a casino marketing claim alone. This review does not endorse or verify offshore operators; game availability and regulatory permissions can change.
GamStop is intended to help people maintain a self-exclusion. Someone who has self-excluded should not seek alternative sites to bypass that protection.
Gambling can lead to financial harm. A game’s RTP does not remove the possibility of losing money. Anyone registered with GamStop should respect their self-exclusion and use support services where helpful.