Home » Big Bass Splash Slot Review

Big Bass Splash returns 96.71 percent according to the game itself, and 95.67 percent according to the studio’s own demo site. Both numbers carry Pragmatic Play‘s name. I score it 6 out of 10.

This is the third game in Pragmatic’s fishing series, released in June 2022, on five reels and three rows with ten paylines. Fish symbols carry cash values, the fisherman wild collects every value on the screen, and the whole game is built around reaching the free spins round where he appears.

I opened the demo on this site on 22 October 2026 and read all seven rules pages. Then I read the studio’s game page and the studio’s demo site. Three sources, two different returns, and that gap is the most useful thing on this page.

Big Bass Splash at a Glance

Every figure below was read from one of three places, and the column on the right says which. Where two sources disagree, both are printed.

FigureWhat it saysWhere I read it
Return to player96.71%Rules screen inside the game, page 4 of 7
Return on the studio demo site95.67%Pragmatic Play’s own demo site
Return when buying free spins96.71%Same rules screen
VolatilityMedium, with the studio’s own definition printed beside itRules screen and the studio demo site agree
Hit frequency13.66%Studio demo site, nowhere inside the game
Maximum win5,000x the bet, a hard capRules pages 3 and 6
Bonus buy100x the current total betRules page 3, and the button itself
Stake range0.10 minimum, 250.00 maximumRules page 4
Grid and linesFive reels, three rows, ten paylinesRules page 4
Released23 June 2022Studio demo site
Odds of the 5,000x capNot published anywhereChecked all three sources
How often the feature landsNot published anywhereChecked all three sources

The last two rows are the ones that decide a score on this site. A game can publish a generous headline return and still tell you nothing about how far away the part you are paying for sits.

The Score, and What Went Into It

I score a slot on four criteria. Where a studio publishes nothing a criterion can be built from, I leave that criterion unscored, say so here, and average the ones that remain.

CriterionScoreWhy
Return to player996.71 percent is the figure the game prints and the figure you are playing. That sits in the 96.50 to 96.99 band. The 95.67 on the studio demo site is a flag, not the figure the rules screen gave me
Cost of reaching the feature6The buy costs 100x the total bet, which is the bottom of the 100x to 199x band. Ten euros at the minimum stake, and a hundred ordinary spins otherwise
Volatility honesty4One of the three figures is published, the 13.66 percent hit frequency. The feature frequency and the odds of the cap are missing, and the published hit frequency argues with the volatility label
Session survivabilityNot scoredThe band needs a published feature frequency. Nobody publishes one for this game, so I will not invent a spin count and dress it up as measurement
Overall6 / 10Nine, six and four, averaged and rounded

The full method, with every band written out, sits on the rating method page. A six here means a good return attached to a feature nobody will tell you the distance to.

The Big Bass Splash RTP Is 96.71 Percent, and Also 95.67

Open the information screen inside the game and page four tells you plainly that the theoretical return is 96.71 percent. The same page repeats it for the bonus buy. Pragmatic Play’s main game page prints 96.71 percent as well.

Then open the studio’s own demo site, the one Pragmatic runs to show its games to operators and players, and the information panel for this exact title prints 95.67 percent.

That is a gap of 1.04 percentage points between two pages owned by the same company. I read the lower figure twice to be sure it was not a transposition of the higher one. It is not.

SourceReturn printedWhat it would score
The game’s own rules screen96.71%9 out of 10
Pragmatic Play’s game page96.71%9 out of 10
Pragmatic Play’s demo site95.67%6 out of 10

Two of the three agree, so I scored the figure the game gave me. If your casino’s rules screen prints the lower number, trust the screen in front of you and not this page.

Here is why this is worth more than a footnote. Pragmatic licenses several of its titles at more than one return, and the casino chooses which build to install. A second figure published by the studio itself is the strongest hint you will get that a lower build of this game exists somewhere.

What does the gap cost? Over a thousand euros of turnover, 1.04 percentage points is ten euros and forty cents. That is small on one session and it is the difference between a good game and an ordinary one over a year.

The habit worth building is simple. Open the information screen before your first spin and read the return your casino actually installed. It takes ten seconds and it is the only number that binds.

The Big Bass Splash 13.66 Percent Hit Frequency Under a Medium Label

The loading screen and the rules both carry a medium volatility badge. The studio prints its own definition next to it: medium volatility games pay out steadily, and the range of pays varies from low to very high.

Now put the published hit frequency beside that sentence. At 13.66 percent, something lands on roughly one spin in seven. Six spins out of seven return nothing at all.

GameVolatility labelPublished hit frequencyOne win every
Big Bass SplashMedium13.66%7.3 spins
Big Bass BonanzaLow13.00%7.7 spins
Gates of Olympus 1000High28.41%3.5 spins

Read the middle row and then the top one. The studio calls the quieter of the two fishing games low and the busier one medium, and the two hit frequencies are separated by two thirds of one percentage point. The labels are doing work the numbers do not support.

I am not calling the label dishonest. I am saying it is doing nothing for you. A word that moves from low to medium while the measured number barely moves is decoration, and the number underneath it is the thing to read.

One more thing the hit frequency does not tell you. It counts any win, including the ones smaller than your stake. A game can pay something on one spin in seven and still take your balance down steadily, because paying something is not the same as paying more than you put in.

The Big Bass Splash 5,000x Cap Is Also the Top Money Symbol

Fish symbols carry cash values printed as a multiple of your total bet. The rules list every value they can take, which is more than most games will tell you.

Where the value sitsWhat a fish can be worth
Ordinary2x, 5x, 10x, 15x, 20x, 25x
Good50x, 100x, 200x
Rare500x, 1,666x
The two that end the round2,500x and 5,000x

Thirteen fixed values, read from page two of the rules. Nobody publishes how often each one lands, which is the figure that would turn this list into a probability.

Look at the bottom row again next to the cap. The maximum win is 5,000x the bet, and the largest single fish is worth 5,000x the bet. One symbol, collected once, reaches the ceiling of the whole game.

The rules are blunt about what happens then. If the total win of a free spins round reaches 5,000x the bet, the round immediately ends, the win is awarded, and all remaining free spins are forfeited.

Forfeited, not banked and continued. If you are four spins into a twenty spin round when the counter hits the ceiling, the other sixteen stop existing. That is standard across the industry and it is still worth knowing before you watch it happen.

It also quietly limits the multiplier ladder. The feature can raise your collections by up to ten times, but the cap does not move, so the ladder reaches the ceiling faster rather than lifting it.

How the Big Bass Splash Wilds, Levels and Modifiers Work

The fisherman is the wild, and in this game he only shows up during free spins. Every wild that lands collects the value of every money symbol on the screen, and the collecting continues until the round ends.

Every fourth wild does something extra. It retriggers the feature, adds ten more free spins, and moves the collection multiplier up a level.

LevelReached byMultiplier on collectionsExtra spins
OneTriggering the roundNone10, 15 or 20
TwoThe 4th wild2x10
ThreeThe 8th wild3x10
FourThe 12th wild10x10
FiveDoes not existThe feature cannot be retriggered after level fourNone

Read from pages two and three of the rules. The jump from 3x to 10x is where the game’s whole reputation comes from, and it needs twelve wilds inside one round to get there.

Before the round starts, the game randomly picks between zero and five modifiers that apply to it. This is the part of Big Bass Splash that is genuinely new in the series, and it is also the part with no published odds at all.

ModifierWhat it does
More FishMore money symbols sit on the reel strips for that round
More FishermanMore wilds sit on the reel strips, which is the one that moves you up the levels
More Dynamites, Hooks and BazookasRaises the chance of the three random in-round features
Start From Level 2The round opens on the 2x multiplier instead of none
Plus 2 SpinsTwo more spins at the start and two more on every retrigger

Zero to five of these are selected at random before you see the first reel of the round. How often you get none, and how often you get all five, is not published by anyone.

Three more things can happen inside the round at random. Dynamite drops money symbols into empty positions when there are fishermen but no fish. A hook pulls a reel upward to bring fishermen onto the screen when there are fish but no fishermen. A bazooka changes every symbol except the fishermen into something else.

In the base game there is one more helping hand. When two scatters land without a third, the reels carrying them can move down one position and respin, or a hook can pull a reel up to reveal the third. Neither is guaranteed and neither is quantified.

What Changes Against Big Bass Bonanza

The original sits in the same lobbies and scores two points higher here. Side by side, the differences are smaller than the artwork suggests and they all push the same way.

What changesBig Bass BonanzaBig Bass Splash
ReleasedDecember 2020June 2022
Return, in the game96.71%96.71%
Return, on the studio demo site96.71%95.67%
Hit frequency13.00%13.66%
Volatility labelLowMedium
Maximum win2,100x5,000x
Top multiplier in the feature10x10x
Bonus buyNone at all100x the total bet
Stake range0.10 to 250.000.10 to 250.00
My score8 / 106 / 10

Two rows carry the whole two point difference. The original has no buy button, which scores a ten, and the original publishes one return instead of two.

That is worth saying plainly, because it runs against what the marketing implies. The sequel more than doubles the ceiling and adds a feature nobody else in the series has, and it still scores lower.

It scores lower because my method does not reward a bigger ceiling. It rewards a studio that publishes what it knows and a game that does not charge you to reach its own feature. On both counts the older game does better.

If you prefer the newer one, nothing here says you are wrong. The returns are identical in the game, the modifiers make a round less repetitive, and you are paying for the bigger ceiling with a buy button you can simply refuse to press.

The Big Bass Splash Buy Costs 100x and Returns the Same

The free spins round can be bought from the base game for 100 times your current total bet. On the triggering spin the game randomly drops three, four or five scatters, so the buy does not guarantee the twenty spin version.

In the demo at a two dollar bet, the button read exactly 200 dollars. At the 0.10 minimum a round costs ten euros.

Credit where it is due on one point. The rules print the return for the bought round as well, 96.71 percent, the same as ordinary play. Most studios never publish that figure at all, and some of the ones that do publish a lower number for the buy.

GameBuy priceReturn on the buyScore
Big Bass BonanzaNo buy at allNot applicable10
Big Bass Splash100x the total bet96.71%, published6
Gates of Olympus 1000100x the base bet96.49%, published6
Sugar Rush100x the base bet96.50%, published6

The band measures the price, not the manners. Publishing the buy return is the right thing to do and it does not change what a hundred spins converted into one round costs you.

There is no ante bet in this game, so the buy is the only shortcut on offer. You either pay the hundred or you wait, and nobody will tell you how long the waiting usually takes.

What Fifty Euros Reaches in Big Bass Splash

The stake range runs from 0.10 to 250.00, and the studio’s demo site agrees with the game on both ends. At the minimum, fifty euros is a real session rather than a handful of spins.

What fifty euros isAt the 0.10 minimum
Ordinary spins500 spins
Spins that return something, at 13.66 percentAbout 68 of those 500
Spins that return nothingAbout 432 of those 500
Bought feature rounds, at 100xFive rounds, and nothing left over

My arithmetic from the published figures, not the studio’s. The row that is missing is how many of those 500 spins would reach the feature on their own, because no source publishes a feature frequency for this game.

That missing row is the reason this game scores a six rather than an eight. I can tell you what a session costs and roughly how often a spin pays something. I cannot tell you how long you would wait for the round the whole game is built around.

Notice the third row as well. Four hundred and thirty two spins out of five hundred return nothing, and that is the experience the word medium is covering for.

Four Clauses to Check Before You Play It for Money

The game is the same everywhere. The terms wrapped around it are not, and that is where a session quietly gets more expensive. Four things are worth thirty seconds each.

First, the return printed in the game information panel, every time you open the game at a casino you have not used before. Plenty of slots ship in more than one build, and that panel is the only place the figure you are actually playing is shown.

Second, how the game counts toward wagering, and whether buying a feature voids an active bonus. Slots usually count in full, but feature purchases are excluded under most terms and some casinos cancel the bonus outright for one. The wagering terms are where both of those live.

Third, the maximum stake allowed while a bonus is running. It is commonly five euros a spin, and going over it once is enough for a casino to void everything the bonus produced.

Fourth, the cap on what you may withdraw from bonus winnings. A large maximum win means nothing if the terms stop your payout well below it, and that ceiling is printed in the bonus terms rather than in the game.

What an Hour of Big Bass Splash Costs

The return figure on its own tells you nothing about what a session costs. What costs you money is the return multiplied by how much you push across the table, and a slot pushes a great deal. Six hundred spins in an hour is an ordinary pace once autoplay is running.

At 96.71 percent the house keeps 3.29 percent of everything staked. Here is what that is worth at three ordinary stakes, using the same model as my cost per hour table.

Stake per spinWagered in an hourHouse edgeCost of the hour
€0.20€1203.29%€3.95
€0.50€3003.29%€9.87
€1.00€6003.29%€19.74

Six hundred spins an hour, the house edge applied to everything wagered in that hour. These are averages over a very long run, not a prediction for one session, and the swings in either direction are far larger than the edge.

Play Big Bass Splash Free

The demo on this site runs the same build as the real money game, on a play money balance that resets when you reload. No account and no deposit. It is also where I read every figure above, and you can check all of them yourself.

Try the Big Bass Splash DemoFree play, no account, no deposit. Open the information screen and read page four for the return and the stake range.

If you want to compare the two fishing games back to back, the original demo runs here as well, and the review of it carries the same figures read the same way.

Where to Play Big Bass Splash for Real Money

Pragmatic Play sits in the supplier list of most casinos I have reviewed, so this game is one of the easier ones to find. What varies is who holds your money afterwards, and that is the part worth choosing on.

The columns below are the two that matter for a game review. Game selection tells you how likely the title is to be there at all, and payouts and support tells you what happens when you win.

CasinoScoreGame selectionPayouts and supportFull review
Playfina Casino7 / 108 / 108 / 10Read the review
National Casino7 / 109 / 108 / 10Read the review
HellSpin Casino7 / 109 / 108 / 10Read the review
22Casino7 / 109 / 108 / 10Read the review
CasinoChan7 / 109 / 107 / 10Read the review

Every casino score is the average of four criteria, rounded, and the working sits inside each review. Game selection alone is not a reason to pick one, which is why the terms and the bonus columns live in those reviews rather than here.

Playfina and National are level at the top before rounding. They match on terms fairness and on payouts, and bonus value separates them, seven against six, so Playfina takes the recommendation.

Carry one habit in with you, and it is specific to this game. The rules screen inside your casino’s copy is where the return you are actually playing appears. If it reads 95.67 percent rather than 96.71, you have found the lower build, and this page would rather you knew.

Play at Playfina Casino18+. Affiliate link. Read the terms inside your account before you deposit.

FAQ About Big Bass Splash

What is the RTP of Big Bass Splash?

Why do two Pragmatic Play pages show different returns?

What is the maximum win in Big Bass Splash?

How much does the Big Bass Splash bonus buy cost?

Is Big Bass Splash high volatility?

How many free spins do you get?

What are the modifiers in Big Bass Splash?

How do the four levels work?

What is the difference between Big Bass Splash and Big Bass Bonanza?

Why does this game score 6 out of 10?

Who Wrote This

Srboljub Simunovic, responsible editor at Casinos.si
Srboljub Simunović
Responsible editor, Casinos.si. Six years reviewing online casinos, based in Bosnia and Herzegovina.

I came to this from finance, which is probably why I read a casino the way I read a contract. The marketing sits on the homepage, and the clause that decides whether you get paid sits twelve pages down.

I am responsible for everything published here, including the gaps. I opened this game on 22 October 2026 and read the return, the stake range, the cap clause and the full money symbol ladder from its own seven rules pages. Where the studio’s two websites disagree about the return, I have printed both figures and said which one the game gave me rather than picking the tidier one. If you find a casino running this title at 95.67 percent, send me the screenshot and I will add it to this page with the date.

18+. Gambling can be addictive. A 96.71 percent return is a long run average across millions of spins and it describes no single session, including yours. A published hit frequency of 13.66 percent means most spins return nothing, whatever the word on the badge says. If gambling has stopped being entertainment, free and confidential help is available in Slovenia through NIJZ.

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