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Big Bass Bonanza

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Big Bass Bonanza
Jordan Conroy
Updated 04.05.2026
Reading time 6 min

Big Bass Bonanza Review | Free Spins, RTP & Max Win

Since its December 2020 debut, Big Bass Bonanza has become more than just a slot it’s a modern classic. Pragmatic Play managed to capture lightning in a bottle (or a tackle box) by blending a cheerful fishing aesthetic with high-stakes mechanics.

Boasting a generous 96.71% RTP and a 5x3 grid, this medium-volatility title hits the sweet spot between steady play and the hunt for that 2,100x max win. In this review, we’re diving deep into the mechanics, the legendary Free Spins round, and the secret to why this single game launched a massive empire of sequels.

RTP

96.71

Game provider

Pragmatic Play

Release date

12/2020

Game type

Slots

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BetMGM

Get 200 Free Spins When You Play £10

Key Terms - New cust only. Opt-in required. Time to deposit/wager 7 days. Deposit £10 & wager 1x on casino games (wagering contributions vary) for 200 Free Spins worth 10p each on Big Bass Splash. 3 day reward expiry. 18+. T&Cs apply.

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Game info

RTP

96.71

Release date

12/2020

Min bet

£0.1

Free spins

Yes

Variances

Big Bass Splash

Layout

5x3

Game type

Slots

Game provider

Pragmatic Play

Max bet

£250

Bonus rounds

Yes

Max win

x2100

Volatility

Medium

Welcome Bonus & Promotions

1
Highbet
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Tote
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10bet
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William Hill
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T&Cs apply. 18+ GambleAware.org

Big Bass Bonanza Slot Review

How Multipliers and Re-Triggers Work at Big Bass Bonanza
Credit: Big Bass Bonanza | Screenshot captured on: 25 March 2025 - 11:45

 

Big Bass Bonanza is a five-reel, three-row game, with 12 symbols, including Wild and Scatter symbols and it's one of the best fishing themed slots to date.

The graphics are simple yet engaging, and the gameplay is relaxed. If players find the background music tiring, they can easily click on the speaker button to turn it off.

This slot has 10 pay lines and offers a top prize of 2,100x the bet per spin. The game ends immediately if a player reaches this maximum during the free spins feature.

Big Bass Bonanza RTP, Volatility & Max Win

With medium volatility in slots range, and a rtp in slots of 96.71%, but what that means to the players? This slot offers one of the most balanced experiences in the Pragmatic Play portfolio, with a x2100 max win.

It offers wins that are not too small, and not too big, giving players the feeling that it is the fairest slot compared to others.

Big Bass Bonanza Free Spins & Bonus Features

Printscreen of the Big Bass Bonanza slot free spins rules

 

The free spins bonus in Big Bass Bonanza are activated when players land 3, 4, or 5 Scatter symbols (depicted as fishing boats) anywhere on the grid. The number of free spins awarded depends on how many Scatters land:

  • 3 Scatters: 10 free spins
  • 4 Scatters: 15 free spins
  • 5 Scatters: 20 free spins

The bonus round for this slot is a progressive collection system that will escalate your rewards as you play.

There is also the possibility to earn Big Bass Bonanza free spins with no deposit from some of the best online casinos in the UK.

The role of the Fisherman Wild Symbol

During the Free Spins round, the Fisherman appears as the Wild symbol, and he plays a much more important role than simply substituting symbols.

The Wild substitutes for any symbol (except the Scatter), helping create winning combinations. More importantly, the Wild interacts with special Fish symbols, each of which comes with a cash prize attached. Whenever the Fisherman Wild lands at the same time as any Fish symbols, he collects the cash value of all Fish on screen and adds it directly to your total win for that spin.

The Fish symbols can carry multipliers ranging from small wins up to huge payouts sometimes even 1,000× your bet in some game versions.

The Fisherman collection feature

Example of a Win at Big Bass Bonanza
Credit: Big Bass Bonanza | Screenshot captured on: 25 March 2025 - 11:45

 

One thing that some players miss is the Fisherman collection bar on the top of the screen. Every time a Fisherman Wild appears, progress is added to the progress bar.

For every 4th Wild triggered, a retrigger will be awarded to the player. Each retrigger consists of 10 more free spins and an increase to the multiplers:

  • First retrigger - 10 Free Spins and a x2 multiplier
  • Second retrigger - 10 Free Spins and a x3 multiplier
  • Third retrigger - 10 Free Spins and a x10 multiplier

The value of the Fish symbols you will find during these spins will increasingly rise during each of the retriggers.

About The Big Bass Bonanza Bonus Buy Option

The Bonus Buy feature, which lets players pay to instantly access Big Bass Bonanza’s free spins round, is available in some regions but prohibited in the United Kingdom due to UK Gambling Commission (UKGC) regulations. In the UK, the feature was banned in 2019 to reduce the risk of overspending and gambling harm, as it encourages rapid, high-cost bets. UK players must land three or more scatter symbols during gameplay to trigger the bonus round which aligns with safer gambling practices. In contrast, players in jurisdictions like Malta or Curacao can use the Bonus Buy option.

How to Play Big Bass Bonanza

Printscreen of Big Bass Bonanza autoplay options

 

Learning how to play Big Bass Bonanza online slot is simple and can be divided in 4 steps:

1. Set your initial bet

Use the basic controls to adjust your total bet per spin. Even if you're a casual player or aim for bigger catches, there's a stake that will suits you.

2. Spin

With 10 fixed paylines and a 5x3 layout, you click the spin button and search for winning combinations.

3. Aim For Winning Symbols

Wins are triggered when matching symbols land from left to right across a payline. Between fishing rod and letters symbols, the reels spins, and each time the player has a chance to win up to x2100 your stake.

4. Be Ready For The Free Spins and Bonus Round

By landing 3, 4, or 5 Scatter symbols anywhere on the reels you complete the Fisherman collection bar and winning 10, 15, or 20 free spins, respectively.

Game Symbols

Printscreen of Big Bass Bonanza symbol values

 

Detailed information on symbols and pay lines is available within the game. To access it, click on the ‘i’ button. The bet can be between a minimum of £0.10 and a maximum of £250 per spin.

How to Win At Big Bass Bonanza

Big Bass Bonanza is a popular Pragmatic Play slot that offers exciting fishing-themed gameplay with high volatility and a 96.71% RTP. While slots are based on luck, here are general tips to enhance your chances of winning at this slot:

  • Manage Your Bankroll Wisely: Set a budget and stick to it. It’s best to start with smaller bets to extend playtime, especially given the game's high volatility, which can lead to losses between wins.

  • Aim for the Free Spins Feature: Land three or more scatter symbols to trigger 10-20 free spins. During free spins, the fisherman wild collects money values from fish symbols, which could lead to big payouts. 

  • Understand Symbols and Mechanics: Familiarise yourself with the paytable. High-value symbols like the fishing rod and tackle box pay more, while the fisherman symbol in bonus rounds collects cash prizes.

  • Use bet365 Bonuses: Take advantage of free spins or casino sign-up offers to play without risking your own money initially.

  • Play the Demo First: Try the free version at bet365 to have a feel of the gameplay without any financial risk.

  • Bet Strategically: Adjust your bet size based on your bankroll. Higher bets can lead to larger wins in free spins, but only if you can afford the variance.

 

Remember, there's no guaranteed way to win, so play responsibly and for fun.

Where To Play Big Bass Bonanza?

Big Bass Bonanza is one of the most popular slot games in the world, making it easy to find in the best online casinos. 

If you’re looking for a reliable and high-quality casino to play Big Bass Bonanza with real money, our team recommends the following: 

There are top casinos in the UK that offer free play and paid options for this slot, either through demo modes or as part of promotional bonuses like free spins. Let's explore these casinos in more details and discover where to play the Big Bass Bonanza slot in the UK: Highbet, Sky Vegas, 10bet, BetMGM, and William Hill.

Big Bass Bonanza Free-To-Play Demo

Are you interested in this game and want to try the Big Bass Bonanza Demo in the UK? No problem! You can find the demo on the official Pragmatic Play website. Additionally, many of the top online casinos also offer a demo version.

The benefits of playing the demo in a free to play mode are many, but they can be summarised in one key point: it allows players to try out the game and gain confidence before betting with real money.

Discover the Pragmatic Play Big Bass Series

Due to its simplicity and immersive gameplay, this slot quickly gained popularity among players worldwide.

As a result, Pragmatic Play has developed numerous variants of the slot, which are similar to the original but feature new animations and bonuses, along with other features. 

There are now over a dozen variants available, and we recommend: Big Bass Splash and Big Bass Day At The Races.

Big Bass Splash
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Big Bass Day at the Races
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Explore More Exciting Slots Like Big Bass Bonanza

If you love the vibes and theme of Big Bass Bonanza game, then you should try out other popular slots from Pragmatic Play. Check out these two standout titles that offer unique features and big win potential:

  • Gates of Olympus: This mythology-themed slot transports players to the realm of Zeus with a 6x5 grid and a "Pay Anywhere" mechanic. Its cascading reels, random multipliers of up to 500x, and free spins feature make it a high-volatility slot that offers the chance for massive payouts. The stunning graphics and immersive soundtrack create an epic gaming experience that’s perfect for thrill-seekers and high-risk takers.

  • Sweet Bonanza: this slot boasts a 6x5 grid with cluster pays and a high RTP of 96.49%. The game’s tumbling reels and free spins with random multipliers of up to 100x promise huge win potential with a max win of 21,175x your stake. Its colourful visuals and engaging gameplay make it a great choice for players who love dynamic slots.

Sweet Bonanza
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18+ | Be gamble aware
Gates of Olympus
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18+ | Be gamble aware

Is the Big Bass Bonanza game legit in the UK?

Yes, it is a legitimate slot game that can be found at many of the top UK casinos we recommend here in Racing Post. The game is developed by Pragmatic Play, one of the industry’s most respected providers.

The developer is licensed in more than 40 jurisdictions and is regulated by the UKGC, Gibraltar Gaming Commission and many other gambling authorities. This ensures that all Pragmatic Play slots are fair and payout at their advertised rates.

Is There a Big Bass Bonanza App?

There is no dedicated Big Bass Bonanza app, as Pragmatic Play’s popular slot game is designed to be played through online casino platforms or their mobile-optimized websites. Instead of creating a standalone app for a single game, casinos integrate Big Bass Bonanza into their existing apps or browser-based platforms, which support a wide range of games.

The game’s HTML5 technology ensures seamless gameplay on mobile browsers for iOS and Android devices which eliminates the need for a specific app. Players can access it through trusted casino apps or mobile sites, offering a convenient and secure gaming experience.

Why Should You Give This Fishing Theme Slot a Try?

In short, this is a slot suited for most players. With medium volatility and an RTP of 96.71%, it offers better payouts than most similar slots. The graphics are vibrant, yet not overly bright, making them easy on the eyes.

The gameplay is straightforward and engaging, and the special symbols are easy to understand. You have to collect at least three Scatters to win free spins. And then, in the bonus round, you have to collect fishermen to activate multipliers and increase the prize.

Jordan Conroy

Jordan Conroy is an online iGaming content writer with five years of experience in the industry. Formerly a professional poker player, Jordan uses his unique hands-on perspective to influence his writing, providing helpful advice and actionable tips that help readers maximise their casino experiences. Jordan’s content spans a wide range of topics, covering payment methods, game guides, slot reviews, and casino reviews. During his free time, Jordan is a big fan of sports, closely following football, snooker, and F1.

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GAME COMPARISON

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Software

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RTP

96.1

Game type

Slots

Release date

02/2012

Free spins

Yes

Bonus rounds

Yes

Gates of OlympusGates of Olympus

Software

Pragmatic Play

RTP

96.5

Game type

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Release date

02/2021

Free spins

Yes

Bonus rounds

Yes

Sweet BonanzaSweet Bonanza

Software

Pragmatic Play

RTP

96.48

Game type

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Release date

06/2019

Free spins

Yes

Bonus rounds

Yes

Sugar RushSugar Rush

Software

Pragmatic Play

RTP

96.5

Game type

Slots

Release date

06/2022

Free spins

Yes

Bonus rounds

Yes

Promotions

slots

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Key Terms - New cust only. Opt-in required. Time to deposit/wager 7 days. Deposit £10 & wager 1x on casino games (wagering contributions vary) for 200 Free Spins worth 10p each on Big Bass Splash. 3 day reward expiry. 18+. T&Cs apply.

18+ GambleAware.org

T&Cs apply.

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New Player Offer: 10 Days of Free Spins

Opt-in required. Offer must be claimed within 30 days of registering a bet365 account. €300 Bonus redeemed by earning Bonus Points. Additional prizes awarded from mission completion. Maximum prize restrictions apply. Time limits, mission restrictions, and T&Cs apply. Registration required. #Ad

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50 Free Spins When You Play £10

New cust only. Opt in, deposit £10+ within 7 days of registering & wager 1x on eligible casino games within 7 days to get 50 Wager-Free Free Spins on Big Bass Splash. 3 day expiry. Wagering contributions vary. T&Cs & exclusions apply. 18+

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T&Cs apply.

FREQUENTLY ASKED QUESTIONS

The RTP (Return to Player) is a theoretical indicator that shows the average payout over time. For Big Bass Bonanza, the RTP is 96.71%, which means that, on average, players can expect to return £96.71 for every £100 wagered.

Sky Vegas

70 Free Spins + Deposit & Spend £10 For 200 More

18+. New Customers Only. Opt In Required. 7 Day Free Spin Expiry. All Free Spins Will be loaded on the First Eligible Game Selected. Game & Eligibility Restrictions Apply. Further T&Cs Apply. BeGambleAware.org

18+ GambleAware.org

T&Cs apply.