Big Bass Bonanza slot is a 5-reel, 3-row, 10-payline fishing-themed slot from Pragmatic Play, released in December 2020. It has an RTP of 96.71%, medium volatility, and a max win of 2,1...00x your stake, with a free spins bonus featuring fisherman wilds that collect cash values from fish symbols and escalating multipliers up to 10x.
Pros
- Free spins multipliers escalate up to 10x
- Medium volatility suits smaller bankrolls
Cons
- Only one bonus feature
- 2,100x max win is low vs newer sequels
Contents
About Big Bass Bonanza
Play Big Bass Bonanza for real money at Slots Temple – the home of Best Slots Odds Guaranteed in the UK.
We publish this Pragmatic Play classic at its top RTP of 96.71%, while most UK casino sites run it at 94.50% or lower. That's a significant difference in value, and it's one of the reasons serious slots players choose to play here.
Big Bass Bonanza is a 5-reel, 3-row fishing slot with 10 fixed paylines, medium volatility, and a top win of 2,100x your stake. Stakes start at just 10p per spin.
Try the free demo to get a feel for the game, or switch to real money play when you're ready. If you want to play Big Bass Bonanza with the best value, this is the place to start.
Why Big Bass Bonanza Is So Popular
The Big Bass Bonanza slot is one of the most popular online slots ever released in the UK. Developed by Reel Kingdom and distributed by Pragmatic Play, it launched in December 2020 and has barely left the top of the UK slots charts since.
Its combination of a simple fishing theme, clean 5x3 layout, and an engaging free spins bonus with cash collection has resonated with millions of players - and spawned over 25 sequels and spin-offs. The consistent Big Bass Bonanza RTP also plays a key role in its long-term popularity among UK players. It remains one of the most recognisable Big Bass slots available today.
Base Game and Symbols
The base game is straightforward. You're looking at a 5-reel, 3-row grid with 10 fixed paylines, set against a pleasant underwater backdrop with coral and bubbles.
Symbols include classic card royals (10 through Ace) as the lower-value icons, and themed symbols like dragonflies, fishing rods, tackle boxes, and floats at the higher end. The float is the most valuable standard symbol, paying up to 200x your per-line bet for five of a kind.
Big Bass Bonanza Free Spins
Simple Gameplay Focused on the Bonus
There's no bonus buy option and no base game modifiers - everything revolves around reaching the free spins round, which is where the real action happens. This simplicity is part of the game's appeal. Big Bass Bonanza doesn't try to overwhelm you with mechanics. It gives you one clear goal: trigger the bonus and reel in those fish.
Reels, Paylines, and Stakes
The setup is straightforward: a 5x3 reel grid with 10 fixed paylines. Paylines are always active, so there is no need to adjust them between spins.
Stakes range from 10p to £5 per spin. All bets are placed per spin, with outcomes determined by the fixed paylines.
Why Play Big Bass Bonanza for Real Money at Slots Temple?
Not all versions of Big Bass Bonanza are created equal. The same game can be published at different RTP settings depending on where you play it. Most well-known UK casino brands choose to run Big Bass Bonanza at a reduced RTP of 94.50% or even lower. At Slots Temple, we always choose the top RTP version - 96.71%.
This is our Best Slots Odds Guaranteed promise. We guarantee that you won't find the same game running at a higher RTP anywhere else in the UK. The difference between 96.71% and 94.50% is meaningful: it means the house takes a much smaller margin here, and your money goes further over every session.
Slots Temple is a UKGC-licensed real money slots site. If you've visited us before for free demos, you can now play Big Bass Bonanza and thousands of other titles for real money right here, with the confidence that you're getting the fairest odds in the UK market.
Quick Stats Box
| Provider | Pragmatic Play (Reel Kingdom) |
| RTP at Slots Temple | 96.71% (Best Slots Odds Guaranteed) |
| RTP Elsewhere | Typically 94.50% (or lower) at most UK operators |
| Volatility | Medium |
| Max Win | 2,100x your stake |
| Paylines | 10 (fixed) |
| Min / Max Bet | 10p – £5 per spin |
| Bonus Features | Free Spins, Fisherman Collect & Multipliers |
| Mobile Compatible | Yes – HTML5, all devices |
| Released | December 2020 |
How to play Big Bass Bonanza
Getting started is simple. The controls are laid out clearly at the bottom of the game screen:
- Setting your stake: Use the +/- buttons to adjust your bet. The minimum is 10p per spin and the maximum is £5. All 10 paylines are always active - you can't adjust them individually.
- Spinning the reels: Hit the spin button to play.
- Checking the paytable: Tap the 'i' button to view symbol values, payline patterns, and bonus rules. The paytable values will update automatically based on your current stake.
- Settings: Access system settings via the three-line menu icon to toggle sound, adjust music, enable battery saver mode, or view your game history.
- Wins are paid for landing three or more matching symbols on a payline from left to right. The scatter and wild symbols play by different rules, which we'll cover in the bonus section below.
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Symbol Overview
Low-Value Symbols
Low-value symbols include card royals from 10 through Ace. These appear frequently and form standard winning combinations across the reels.
High-Value Symbols
Higher-value symbols include dragonflies, fishing rods, tackle boxes, and floats. The float is the most valuable standard symbol, offering the highest regular payouts.
Scatter Symbol
The scatter symbol is the hooked bass. Landing three or more anywhere on the reels triggers the free spins bonus feature.
Fisherman Wild
The fisherman acts as a wild symbol during free spins. It substitutes for standard symbols and collects values from money symbols on the reels.
Money Fish Symbols
Money fish appear during the bonus round and carry random cash values. These money symbols are collected by the fisherman to create the biggest wins.
Big Bass Bonanza Paytable
| 5 symbols | 4 symbols | 3 symbols | |
|---|---|---|---|
|
200x | 20x | 5x |
|
100x | 15x | 3x |
|
50x | 10x | 2x |
|
50x | 10x | 2x |
|
10x | 2.5x | .5x |
|
10x | 2.5x | .5x |
|
10x | 2.5x | .5x |
|
10x | 2.5x | .5x |
|
10x | 2.5x | .5x |
|
wild | wild | wild |
|
scatter | scatter | scatter |
Big Bass Bonanza Free Spins Bonus
Big Bass Bonanza has a single bonus feature, the Free Spins round, and it's the heart of the entire game. If you've played fishing slots like Fishin' Frenzy before, the format will feel familiar, but Big Bass Bonanza adds a multiplier mechanic that gives it more depth.
Triggering Free Spins: Land 3, 4, or 5 scatter symbols (the hooked bass) anywhere on the reels in a single spin to trigger the bonus. You'll receive 10, 15, or 20 free spins, respectively.
- 3 scatters: 10 free spins
- 4 scatters: 15 spins
- 5 scatters: 20 free spins
The Fisherman Wild - Collect Mechanic: During free spins, the Fisherman Wild symbol appears on the reels. He substitutes for all standard symbols, but more importantly, he acts as a collector. When a Fisherman Wild lands alongside fish money symbols, he collects all visible cash values and adds them to your win total. Fish money symbols display random values ranging from 2x to 2,000x your per-line stake. If multiple Fisherman Wilds land in the same spin, each one collects the full value of all visible fish - effectively multiplying your payout.
The Multiplier Trail: Every Fisherman Wild that appears during free spins is tracked on a progress meter above the reels. For every 4 Wilds collected, you receive an additional 10 free spins and your collection multiplier increases.
- After 4 Wilds: +10 free spins and a 2x multiplier on collected values.
- After 8 Wilds: +10 free spins and a 3x multiplier.
- After 12 Wilds: +10 free spins and a 10x multiplier.
This means a maximum of 50 free spins is possible, with fish values being multiplied by up to 10x during the final stage. This is how the game's 2,100x maximum win is achieved.
Dynamite Feature: If a single Fisherman Wild lands during free spins but no fish money symbols are present, there's a chance the fisherman will throw a stick of dynamite, transforming random symbols into fish money symbols for him to collect.
Big Bass Bonanza RTP and Volatility
Big Bass Bonanza has a published top RTP of 96.71%, which sits above the industry average for UK online slots. At Slots Temple, this is the version you'll always play - it's covered by our Best Slots Odds Guaranteed promise.
Why RTP Varies Across Casinos
It's worth noting that many UK casinos publish Big Bass Bonanza with an RTP of 94.50% or even 92.05%. The game is available to operators with multiple RTP settings, and most choose the lower options because they give them a larger margin.
At 94.50%, the house edge is 5.50%. At 96.71%, it's just 3.29%. Over hundreds or thousands of spins, that difference adds up - it directly affects how long your bankroll lasts and how much value you get from your play.
Volatility and Gameplay Experience
The volatility is rated as medium by Pragmatic Play, though many players find it plays closer to medium-high in practice. You can expect a mix of smaller base game wins and less frequent but more significant payouts during the free spins bonus.
Bonus Round Variability
The bonus round itself can vary hugely - from a handful of spins with modest returns to extended sessions with retriggered multipliers that approach the 2,100x cap.
As with all slots, outcomes are determined by a certified random number generator, and past results have no influence on future spins. Always set a budget before you play, and use the responsible gambling tools available on the site.
Other Big Bass Bonanza Slots to Play at Slots Temple
The success of the original spawned an entire series. Here are some of the most popular Big Bass games you can play for real money at Slots Temple, all at their top RTP:
- Bigger Bass Bonanza: Adds an extra row (5x4 layout), 12 paylines, and boosts the max win to 4,000x. High volatility. RTP: 96.71%.
- Big Bass Splash: Currently, the most played Big Bass game in the UK. Introduces pre-spin modifiers and a lucky dip mechanic before free spins. Max win 5,000x. RTP: 96.71%.
- Big Bass Bonanza Megaways: Uses the Megaways engine with up to 46,696 ways to win. Max win 4,000x. RTP: 96.72%.
- Big Bass Bonanza 1000: High-volatility version with fish values up to 1,000x each and a massive max win of 20,000x. RTP: 96.51%.
- Big Bass Hold & Spinner: Replaces free spins with a Hold & Spinner respin mechanic and sticky cash symbols. Max win 10,000x. RTP: 96.07%.
- Big Bass Bonanza Reel Action: Offers a quicker route into the free spins round. Medium volatility. Max win 2,100x. RTP: 96.50%.
All of these are available to play in demo mode or for real money at Slots Temple, and every one is published at its highest available RTP.
More Big Bass
Other related games include the Big Bass slot Big Bass Splash and Bonanza.
| Slot Name: | Big Bass Bonanza |
|---|---|
| Software: | Pragmatic Play , Reel Kingdom |
| RTP: | 96.71% |
| Volatility: | Medium volatility |
| Paylines: | 10 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.10 (GBP) |
| Max Bet: | £5 (GBP) |
| Top Win: | 2100 |
| Features: | Wild Symbol, Scatter Symbol, Medium volatility, 5 Reels, Symbol Collection, Drops & Wins |
| Themes: | Fishing, Sports |
| Last Update: | 29/06/2026 |
Available in UK?
|
Yes. Pragmatic Play have a UKGC license and are allowed to offer their games at UK licensed casinos. |
Big Bass Bonanza FAQs
Can I play Big Bass Bonanza for real money at Slots Temple?
Yes. Slots Temple is fully licensed by the UK Gambling Commission and offers Big Bass Bonanza for real money play. You can also try the free demo before depositing.
What is the RTP of Big Bass Bonanza?
Big Bass Bonanza has a top RTP of 96.71%, but it's also available at 95.67% and 94.50% (or lower). Many online casinos use the lower versions. At Slots Temple, we always offer at 96.71% — guaranteed under our Best Slots Odds Guaranteed promise.
What is the maximum win on Big Bass Bonanza?
The maximum win is 2,100x your total stake. This is achieved through the free spins bonus with the 10x multiplier active.
Is Big Bass Bonanza a high volatility slot?
No, Big Bass Bonanza is a medium-volatility slot. This means you'll hit wins more regularly than in high-volatility games, though the individual payouts tend to be smaller. The sequels (Bigger Bass Bonanza, Big Bass Splash, etc.) are mostly high volatility.
How do I trigger free spins in Big Bass Bonanza?
Land three, four, or five scatter symbols (the bass on a hook) anywhere on the reels. Three scatters award 10 free spins, four award 15, and five award 20.
Can I play Big Bass Bonanza for free?
Yes. You can play the Big Bass Bonanza demo at Slots Temple with no deposit or registration needed. It's a great way to understand the bonus mechanics before playing for real.
Is Big Bass Bonanza available on mobile?
Yes, it works on all mobile devices through your browser. No download required.
How many free spins can you win in Big Bass Bonanza?
You can start with up to 20 free spins and re-trigger 10 additional spins three times by collecting fisherman wilds, giving a maximum of 50 free spins in a single bonus round.
What are the multipliers in Big Bass Bonanza free spins?
Every fourth fisherman wild collected during free spins awards 10 extra spins and increases the multiplier: 2x after the first re-trigger, 3x after the second, and 10x after the third. The multiplier applies to all fish values collected by the fisherman.
Latest Big Bass Bonanza Data
Big Bass Bonanza Data Explained
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| Slot Name: | Big Bass Bonanza |
|---|---|
| Software: | Pragmatic Play , Reel Kingdom |
| RTP: | 96.71% |
| Volatility: | Medium volatility |
| Paylines: | 10 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.10 (GBP) |
| Max Bet: | £5 (GBP) |
| Top Win: | 2100 |
| Features: | Wild Symbol, Scatter Symbol, Medium volatility, 5 Reels, Symbol Collection, Drops & Wins |
| Themes: | Fishing, Sports |
| Last Update: | 29/06/2026 |
|
Available in UK?
|
Yes. Pragmatic Play have a UKGC license and are allowed to offer their games at UK licensed casinos. |
