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Bigger Bass Bonanza — Game Details

Slot game

Slot by Reel Kingdom

#R

96.71%

RTP

Standard setting

#MWM

4000x

Maximum win multiplier

#V

high

Volatility

#BR

0.12–240 operator-dependent units

Bet range

#P

12

Paylines

#GG

5 × 4

Game grid

RTP profiles

Standard setting

Base game

96.71%

The rules screen shows the return setting the casino runs.

Lower casino setting

Casino setting

95.67%

UK casino setting

Casino setting

94.62%

Other casino setting

Casino setting

94.5%

Our verdict

0xPlaySlots opinion
6.4/ 10our score for this game

The collect loop and its 10x top level give Free Spins a clear shape, and the fourth row puts more fish and wilds in play. Around that sits a wildless base game with small line pays and a cap that a single fish can reach. It is a competent reissue of a proven formula rather than a new idea. That puts it in the middle of the competent band at 6.4.

About Bigger Bass Bonanza

Bigger Bass Bonanza runs the Big Bass collect format on a board of five reels and four rows with 12 fixed lines. The fisherman wild never lands in the base game, so base spins pay only plain line wins while waiting for three scatters. Fixed line pays are small and the best of them is 200x the total bet for five boats. Fish symbols take a random money value on every spin and a wild landing in Free Spins collects all of them at once. Every fourth wild adds 10 spins and raises the collect multiplier one level up to 10x at the third level. A new level only starts with its extra spins, so the rest of the current batch still collects at the old multiplier. Most of the round's value sits at that top level where a 50x fish collects for 500x. The 4000x cap equals the top fish value, so collecting that one fish at any level ends the round on the spot. A lone wild with nothing to collect can get fish dropped around it at random.

Game preview

Bigger Bass Bonanza opening screen

Editorial takeaways

  • Three scatters start Free Spins with 10 spins, and each extra scatter adds 5 more.
  • The fisherman wild appears only in Free Spins, so every base game win comes from paylines.
  • The third meter level needs 12 collected wilds and pays collected fish at 10x.
  • The maximum win is 4,000x the bet, with a chance to hit of 1 in 981,884 spins.
  • Casinos can run the game at 94.62% instead of the standard 96.71%, and the rules screen shows which setting applies.
  • The game has no feature buy, so Free Spins can only be reached from the base game.

Limitations and version notes

  • The base game has no wild and its best fixed line pay is 200x for five boats, so most spins between features are small line hits or blanks.
  • Most of the bonus upside sits behind 12 collected wilds, and a round that never climbs the meter pays its fish at face value.
  • A new multiplier level waits for the next batch of spins, so wilds collected late in a batch still pay at the lower level.
  • The 4000x cap cuts off the best rounds, since eight 50x fish collected at the 10x level already reach it.

Features & Themes

Game features

Free SpinsMoney Collectmultipliersretrigger

Themes

fishing

Game mechanics

Fixed paylines

Base + bonus#01

Matching symbols land on a line on adjacent reels starting from the leftmost reel.

The line pays its paytable value multiplied by the bet per line.

Nothing carries over past the spin.

  • 12 lines, always active
  • Total bet equals 12 times the bet per line
  • Boat pays from 2 of a kind
  • All other paying symbols pay from 3 of a kind

Fisherman wild

Bonus#02

The fisherman wild lands on any reel during a free spin.

It collects the money value of every fish symbol on the screen.

Its collect pays on the spin it lands.

It substitutes for every symbol except the scatter. It has no line pay of its own.

  • Free Spins only
  • Substitutes for all symbols except the scatter
  • No line pay of its own

Scatter

#03

Three or more scatters land anywhere on the screen.

They start Free Spins, with more spins for more scatters.

The scatter has no pay of its own.

  • 3 scatters award 10 free spins
  • 4 scatters award 15 free spins
  • 5 scatters award 20 free spins

Money fish symbols

Base + bonus#04

A fish symbol lands and takes a random money value for that spin.

A fisherman wild landing in Free Spins collects that value as a win.

A new value is drawn on every spin.

The fish is also a line symbol that pays in both phases. Five fish on one line pay the sum of their money values.

  • Fish value 2x total bet
  • Fish value 5x total bet
  • Fish value 10x total bet
  • Fish value 15x total bet
  • Fish value 20x total bet
  • Fish value 25x total bet
  • Fish value 50x total bet
  • Fish value 4,000x total bet

Wild meter and multiplier ladder

Bonus#05

Every fourth fisherman wild collected in Free Spins completes a level of the meter.

The round gains 10 extra spins and a higher multiplier on collected fish values.

The meter and the reached multiplier hold until the round ends.

The extra spins play after the current batch ends. The new multiplier applies from those spins onward, so the rest of the current batch still collects at the old level.

  • 4 wilds add 10 spins at 2x
  • 8 wilds add 10 spins at 3x
  • 12 wilds add 10 spins at 10x
  • No further retrigger once 10x is reached
  • 30 extra spins at most from the meter

Fish drop for a lone wild

Bonus#06

A free spin ends with exactly one wild on the screen and a random check succeeds.

Fish money symbols appear in random positions for that wild to collect.

The added fish count for that spin only.

The game shows the drop as either a hook or a dynamite animation.

  • Needs exactly one wild on the screen

Free Spins reel strips

Bonus#07

The Free Spins round starts.

The game switches to reel strips that differ from the base game.

The special strips stay in use until the round ends.

Max win cap

Base + bonus#08

The total win reaches 4,000x the bet.

The win is paid at the cap and nothing beyond it is added.

A Free Spins round ends on the spot and forfeits its remaining spins.

  • 4,000x the bet
  • Chance to hit of 1 in 981,884 spins

Bonus rounds

Free Spins

Free spins
10 spins

Three or more scatters landing anywhere start the round.

Every fourth wild collected adds 10 spins and raises the fish multiplier by one level.

Special reel strips replace the base game reels, and the fisherman wild can land on every reel. Each wild collects every fish value on the screen and adds one to a meter that lasts the whole round. Every fourth wild queues 10 more spins, which pay fish at the next multiplier once they begin. A random fish drop can hand a lone wild something to collect.

  • Uses Fisherman wild, Money fish symbols, Wild meter and multiplier ladder, Fish drop for a lone wild, Free Spins reel strips, Max win cap.

Event frequency

Bonus frequency

1 in 121.84 spins

Scope
Free Spins trigger in the base game

Maximum-win probability

1 in 981,884 spins

Scope
Hitting the 4,000x max win

Screenshot Gallery

In-game screenshots

Bigger Bass Bonanza screenshot 1
Bigger Bass Bonanza screenshot 2
Bigger Bass Bonanza screenshot 3
Bigger Bass Bonanza screenshot 4
Bigger Bass Bonanza screenshot 5

Paytable & Symbol Values

Winning combinations and symbol payouts

Symbol payouts

#PT
Symbol2345
Acelow·0.5×2.5×10×
Kinglow·0.5×2.5×10×
Queenlow·0.5×2.5×10×
Jacklow·0.5×2.5×10×
Tenlow·0.5×2.5×10×
Boathigh0.5×5×20×200×
Fishing Rodhigh·3×15×100×
Tackle Boxhigh·2×10×50×
Dragonfly Lurehigh·2×10×50×
Money Fishspecial·1×5×·

Money Fish. Five fish on one line pay the sum of their money values.

Values are multiples of the total bet for a win on one line. The tackle box and dragonfly lure pay alike, as do the five royals.

Special symbols

#SS
Fisherman wild
Lands only in Free Spins and substitutes for every symbol except the scatter. It collects the money value of every fish on the screen.
Scatter
Three or more anywhere start Free Spins. It has no pay of its own.

Our Team Reviews

Signed reviews from our team

1 review
FEATURED

Bigger Bass Bonanza saves its real value for ten spins at 10x, then caps them

JM

James Miller

Senior Slots Reviewer at 0xPlaySlots

September 14, 2026
6.4/10

A fourth row on a borrowed loop

Most of what Bigger Bass Bonanza can pay is decided in ten spins at the 10x level, and the game makes those ten spins hard to reach and then caps them early. Twelve fisherman wilds have to be collected before that level opens, it lasts one batch of 10 spins, and the 4,000x cap sits where eight 50x fish collected at 10x already meet it. In front of all this is a base game with no wild at all. I read it as one good idea, borrowed, wrapped in limits that stop the idea from paying in full.

The idea is the one Big Bass Bonanza runs: a fisherman wild collects the money values of fish during free spins, and a meter of collected wilds adds spins and raises the multiplier. Bigger Bass Blizzard - Christmas Catch and Big Bass - Keeping it Reel use the same collect, the second with collected wilds unlocking its retriggers. This game is one entry in a crowded family, and the change I can point to is the board: five reels and four rows with 12 fixed lines. The extra row gives each free spin more positions for fish and for the wild that collects them. Value, though, is decided by three rules the board does not touch here: the ladder, the delayed multiplier and the cap.

The base game is a waiting room

The fisherman wild never lands outside Free Spins, so a base spin pays plain line wins and nothing else. I count five of the nine regular symbols paying half the total bet for three of a kind, and the boat pays the same half for two. The best regular line is 200x for five boats, 5% of the cap. A board paying five boats on all 12 lines would total 2,400x, which is 60% of the cap, so the regular symbols cannot reach it on their own.

Fish are the exception. Three and four of them pay a flat 1x and 5x, but five on a line pay the sum of their money values: at least 10x, 250x if all five are 50x fish, and the full cap if one of them is the 4,000x fish. That last case matters, because it means the cap is not reserved for the bonus round. Away from that five-fish line, the values drawn on every base spin are decoration, since nothing in the base game collects them.

There is no feature buy, so three scatters are the only way in, at 1 in 121.84 spins. That averages about 122 stakes of turnover between rounds, spent on a board whose regular symbols top out at 200x per line. The base game is thin, and the wait is the price of the round.

Only the last step of the meter is worth climbing

Collected fish pay at face value until the meter's first level, then at 2x from four wilds, 3x from eight and 10x from twelve, each starting with the spins that level adds. The first two steps each add one to the multiplier; the third adds seven. A 50x fish collects for 50x, 100x, 150x and then 500x. Set against the 121.84-spin average wait, that fish at 3x pays about 1.2 times the turnover spent reaching the round, and at 10x about four times. Below the top level the ladder is worth little.

Reaching the top level is the hard part. From three scatters the round starts with 10 spins, and 12 wilds have to arrive within the first 30: four by the end of the opening batch, eight by the end of the next, twelve by the end of the one after. That is four wilds per ten spins, sustained across three batches. A round that falls short in its first 10 spins ends there, with every fish paid at face value.

The delayed multiplier then trims the reward. A level starts only with its extra spins, so the twelfth wild, and any wild after it in the same batch, still collects at 3x. The 10x level covers exactly the 10 spins it adds, and no retrigger follows it. That is a quarter of the 40-spin maximum from three scatters and a fifth of the 50-spin maximum from five.

Extra scatters help more quietly than they look. Five of them double the start to 20 spins but leave the 10x batch at 10; what they buy is room, since the 12 wilds now have 40 spins to arrive in, three per ten. I rate that as the most useful thing a scatter does in this game. The fourth row matters most in the same place: every fish the larger board fits into a 10x spin collects at ten times its face value. The lone-wild fish drop fixes a smaller weakness, a wild with nothing to collect, but it adds fish for one spin and leaves the meter arithmetic alone.

The cap arrives just as the top level starts to pay

The cap is 4,000x, and so is the largest fish value. Collected at any level, that fish ends the round at the cap: at 10x it would be worth 40,000x, and it pays the same 4,000x it pays at face value. The ladder adds nothing to the single biggest value in the game.

Among the other fish, the cap is close to unreachable below the top level. It takes 80 fish of 50x at face value, 40 at 2x and 27 at 3x. At 10x it takes eight. The cap therefore binds almost only inside the one batch the whole round builds towards, and when it binds, the round ends on the spot and forfeits the spins left. The strongest rounds are exactly the ones it shortens.

Its chance is 1 in 981,884 spins against a trigger of 1 in 121.84, so the cap turns up roughly 8,000 times less often than the round itself. A ceiling that is both remote and low is the weakest part of the design.

Below 96.71% the same loop costs noticeably more

Casinos can run the game at 96.71%, 95.67% or 94.62%, and the rules screen shows which setting applies. The house edge moves from 3.29% to 4.33% to 5.38%, so the UK setting takes about 1.6 times as much per unit staked as the standard one. My rating assumes the standard setting; on a game this dependent on one 10-spin batch, the lower ones make a thin base game thinner.

The game suits a player who wants a single feature with rules short enough to hold in the head: every fourth wild, one level, ten more spins. It does not suit anyone who wants a wild or real pay in the base game, a buy that skips the wait, or a ceiling that lets a strong top level run. That is where 6.4 comes from. The loop is clear and borrowed, the fourth row suits it, and a wildless base game, small line pays and a cap that one fish can reach hold it in the competent band.

Pros

  • The collect loop is simple: every fourth wild adds 10 spins and raises the fish multiplier.
  • The 10x top level turns a 50x fish into a 500x collect.
  • Five fish on one line pay the sum of their money values, even in the base game.
  • Four or five scatters start the round with 15 or 20 spins, more room to reach 10x.
  • The standard setting runs at 96.71%.

Cons

  • No wild in the base game, and the best regular line pays 200x, 5% of the cap.
  • The 10x level needs 12 collected wilds and lasts only 10 spins.
  • A new level waits for its extra spins, so late wilds in a batch collect at the old multiplier.
  • Eight 50x fish at 10x reach the 4,000x cap, which ends the round on the spot.
  • No feature buy, and casinos can run the game at 94.62%.

Verdict

The collect loop and its 10x top level give Free Spins a clear shape, and the fourth row puts more fish in play. A wildless base game, small line pays and a cap that one fish can reach keep it a competent reissue of a proven formula at 6.4.

#GP

Game Provider

#GD

Game Details

Information

Reel Kingdom
September 17, 2021
Video Slot
12 paylines