Pragmatic Play · Reel Kingdom · 2020

Reel Kingdom's Big Bass Bonanza: Wild Collector Free Spins and 96.71% RTP

RTP 96.71% · High Volatility · Max Win 2,100x · 1,161-Spin Test · 18+

Introduction

I'm Mia Stone, and Hold & Win boards are my usual territory, not fishing slots. Big Bass Bonanza is outside my usual lane, but it is the one that launched the whole Reel Kingdom fishing franchise. I wanted to know what the original actually does before forming an opinion on everything that came after it. The slot runs on a 5x3 grid with a fishing float as the top paying symbol, an angler in green waterproofs as the Wild, and an animated fishing dock as the backdrop: water movement in the background, a tackle box to the side, the whole dock scene. I put 1,161 spins through the Pragmatic Play demo to find out.

This is a slot where the base game is essentially a waiting room. The mechanics that matter - the Wild collector, the retrigger chain, the multiplier escalation - all live in the Free Spins feature. Understanding that changes how you read the session data.

How Big Bass Bonanza Works

Grid: 5 reels, 3 rows, 10 fixed paylines. All symbols pay left-to-right from the leftmost reel. Only the highest win per line counts; when multiple lines pay simultaneously, wins add together.

Symbol hierarchy at $1.00 total bet:

  • Fishing float (top symbol): 5x = 200x bet, 4x = 20x, 3x = 5x, 2x = 0.5x
  • Fishing rod: 5x = 100x bet, 4x = 15x, 3x = 3x
  • Dragonfly and tackle box (same value): 5x = 50x bet each, 4x = 10x, 3x = 2x
  • Bass: 5x = 20x bet, 4x = 5x, 3x = 1x
  • Card ranks (A, K, Q, J, 10 - all identical in value): 5x = 10x bet, 4x = 2.5x, 3x = 0.5x
Big Bass Bonanza GAME RULES paytable page 1 with the fishing float, rod, fish and card-rank symbols and their payout values at $1.00 bet, plus the Wild and Scatter symbols below
GAME RULES - Paytable page 1/6: the fishing float tops the paytable at 200x for five-of-a-kind, and the angler is the Wild (active in Free Spins); the fish symbols also carry random Money values each spin, collectible during Free Spins

Every fish paying symbol also functions as a Money symbol. Each spin, a random Money value gets assigned to every fish on screen. Possible values: 2x, 5x, 10x, 15x, 20x, 25x, 50x, or 2,000x of total bet. Those values do nothing in the base game. They exist entirely for the Free Spins mechanic.

The Wild is the angler symbol, and the in-game rules tie it to the bonus: it "appears on all reels during FREE SPINS." In the base game the Wild does not appear at all - every substitution and every Money-symbol collection happens inside the Free Spins round. That is the structural point about this slot: the base game has no Wild to lean on.

Scatter appears on all reels. Three or more Scatter symbols trigger Free Spins.

Big Bass Bonanza base game showing three Scatter fish symbols triggering Free Spins, with $5.00 Money value visible on a fish symbol
SCATTER - Three Scatter fish symbols visible on reels 1, 2, and 5; the $5.00 Money value on the fish on reel 2 illustrates how every fish carries a random value each spin ready for Free Spins collection

No tumble. No cascades. No expanding wilds in the base game. This is a standard fixed-payline grid. The mechanics that matter are in the bonus round.

RTP note: Pragmatic Play publishes the RTP for Big Bass Bonanza as 96.71%. This is verbatim from the in-game Game Rules: "The theoretical RTP of this game is 96.71%." The actual value at any individual casino may differ - Pragmatic Play's platform allows operators to configure the RTP at the casino level. Always check the RTP in the casino version before placing real bets.

Free Spins and the Wild Collector Mechanic

Free Spins is the whole game. The base game pays are modest - 200x on the fishing float five-of-a-kind is the ceiling, and most spins return card-rank combinations well below that. Every meaningful win comes from the bonus round.

Trigger counts:

  • 3 Scatter symbols = 10 free spins
  • 4 Scatter symbols = 15 free spins
  • 5 Scatter symbols = 20 free spins

In Free Spins, every Wild that lands collects all Money symbol values from every fish symbol visible on screen at that moment. Those collected values accumulate across the entire round and pay out at the end.

Retrigger mechanic: every 4th Wild collected triggers another 10 free spins and advances the multiplier.

Wilds CollectedTriggerSpins AddedMultiplier on Retriggered Spins
41st retrigger+102x
82nd retrigger+103x
123rd retrigger+1010x

Three retriggers maximum. The multiplier applies to retriggered spins only, not retroactively. After the 3rd retrigger, no further retriggers are possible. Total free spins at a full chain: 10 (or 15 or 20) + 30 retriggered = up to 50 total.

The 10x multiplier on the final phase is where the headline win potential lives. A 2,000x Money symbol collected by a Wild during the 10x phase produces 20,000x on that single collection in theory. In practice, the global cap cuts in: if the Free Spins round total reaches 2,100x bet, the round ends immediately and remaining spins are forfeited. The 2,100x ceiling is real and will truncate the final phase of a strong run.

There is also a "special reels" mechanic: randomly, when only one Wild is on screen at the end of a free spin, additional fish Money symbols can appear at random positions. The in-game wording: "Randomly, when there is only 1 WILD symbol on the screen, at the end of a free spin, fish MONEY symbols can appear in random positions."

Big Bass Bonanza FREE SPINS round in progress showing 9 free spins remaining with $2.00, $5.00, $10.00 and $20.00 Money values on fish symbols across the 5x3 grid
FREE SPINS - Active bonus round with 9 spins remaining; Money values ($2.00, $5.00, $10.00, $20.00) visible on fish symbols across all reels - a landing Wild would collect all visible values simultaneously. The Wild collection meter at the top counts toward the next retrigger and multiplier stage.

The structure holds up. Four Wilds to each retrigger, multiplier escalating across three retrigger stages - a max chain requires consistent Wild landings, not a single lucky spin. Most Free Spins rounds will resolve without reaching the 3rd retrigger. The ones that do, and that hit strong Money symbol values in the 10x phase, are why this franchise still sells.

Try Big Bass Bonanza - Free Demo

Pragmatic Play's demo requires no account or deposit. Play with virtual credits directly in the browser.

Big Bass Bonanza

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Session: 1,161 Spins in the Pragmatic Play Demo

This review runs off a real demo session on Pragmatic Play's direct demo - 1,161 spins at $1.00 a spin, about an hour and a half of play, with the key moments captured on screen.

The game opens straight onto the 5x3 grid at the $1.00 default bet: card ranks (A, K, Q, J, 10) sharing the reels with the tackle-box Money symbols, the angler up top. The bottom control bar carries a "HOLD SPACE FOR TURBO SPIN" prompt for faster play, with standard autoplay otherwise.

The base game is a waiting room, exactly as the math implies - card-rank lines tick over for small amounts while the real money stays locked behind the Free Spins. This session bore that out, and the bonus did trigger: three Scatters dropped a 10-free-spin round, and from there the Wild collector took over.

The best bonus captured here closed at $40.00 on the $1.00 bet - 40x the stake - with mid-round "MEGA WIN" flashes near $38 as Wilds swept the Money values off the fish. The retrigger meter climbed the 2x / 3x / 10x stages as collected Wilds stacked up. That is a modest result for a high-volatility slot - the 2,100x ceiling sits far above it - but it is the headline mechanic working as designed, not a dead run.

Big Bass Bonanza Free Spins round completing on a 'YOU HAVE WON $40.00' total at $1.00 bet, the 2x/3x/10x Wild collector meter running across the top of the screen
FREE SPINS WIN - A bonus round closing at $40.00 on the $1.00 bet (40x), captured in this session; the 2x/3x/10x retrigger meter runs across the top as collected Wilds advance the multiplier toward the 10x phase

Session Stats

1,161
Spins played
$1.00
Bet per spin
10
Free spins awarded
$40
Best bonus (40x)
10x
Top collector multiplier
High
Confirmed volatility
Session statistics Free Spins triggered over the 1,161-spin session; best captured bonus paid 40x the stake with the collector reaching the 10x multiplier stage. SESSION (1,161 SPINS) 10 free spins awarded $40 best bonus (40x) 10x top multiplier Single session - Pragmatic Play demo - May 2026

Between bonuses the base game does what the paytable says it will: card-rank lines pay 0.5x to 10x and tick over often enough to keep the reels moving, with the fish and the higher-value float and rod symbols scarcer. Nothing in the base game approaches the bonus - the gap between a card-rank line and a $40 Free Spins round is the whole point of a high-volatility build like this.

These figures come from a single demo run and are not predictive. One 1,161-spin session is far too short to say anything about long-run return rates or how often the bonus really lands - it shows the mechanic firing once and paying as designed, nothing more.

RTP and Volatility

RTP: 96.71% RETURN TO PLAYER (RTP) This game 96.71% Average 96.0% Source: in-game Game Rules (verbatim) Volatility: High VOLATILITY Low Very High High in-game confirmed

RTP at 96.71% is above average for high-volatility titles in this tier - comparable Pragmatic Play entries often sit at 96.21-96.50%. The figure is verbatim from the in-game Game Rules. Individual casino operators may configure a lower RTP on their version. Always check the game's rules at your casino before depositing.

Volatility is labeled High in the in-game rules. The in-game description: "High volatility games pay out less often on average but the chance to hit big wins in a short time span is higher." SlotCatalog rates it Medium-High (4/5) - the in-game label takes priority in my analysis.

Pros and Cons

Pros

  • 96.71% RTP confirmed verbatim from in-game screen - above average for high-volatility slots
  • Wild collector Free Spins structure is coherent: big wins come from a sustainable mechanism, not a single spike
  • $0.10 minimum bet enables extended sessions on a tight bankroll
  • 10 fixed paylines across the card ranks give the base game a low-value but steady hit profile by design

Cons

  • No Buy Bonus - Free Spins must trigger organically (Bigger Bass Bonanza 2021 added it)
  • Free Spins expected roughly once per 200-250 spins: $200-250 in expected spend per trigger at $1.00
  • 2,100x hard cap truncates what a max retrigger chain can actually deliver
  • No Wild in the base game at all - it is a Free-Spins-only symbol, so the base game leans entirely on the paytable
  • No Gamble feature

Big Bass Bonanza vs. the Competition

Game Grid RTP Max Win Key Difference
Big Bass Bonanza (2020) 5x3, 10 lines 96.71% 2,100x Original: no Buy Bonus
Bigger Bass Bonanza (2021) 5x4, 12 lines 96.71% 4,000x Upgraded grid + Buy Bonus added
Fishin' Frenzy (2014) 5x3, 10 lines ~95-96% ~500x Mechanical ancestor: no multiplier chain
Book of Dead (2016) 5x3, 10 lines 96.21% 5,000x Expanding symbol vs. cash-collect mechanic

vs. Bigger Bass Bonanza

The direct successor: 5x4 grid, 12 paylines, max win raised to 4,000x, Buy Bonus added. The core mechanic - Wild collector, retrigger chain, multiplier escalation - is the same structure. The original stays relevant at casinos that stock it without the sequel, and the $0.10 minimum bet is identical across both. If Buy Bonus matters, the 2021 version is the one. If Buy Bonus does not matter and the Wild collector mechanic is the draw, the original does the job.

vs. Fishin' Frenzy

Fishin' Frenzy is the acknowledged mechanical ancestor - a Wild fisherman collecting values during the bonus, predating this game by six years. No multiplier chain, no retrigger escalation. RTP varies by version in the 95-96% range. Think of it as the proof of concept. Big Bass Bonanza is the version with the compounding retrigger bolted on and the volatility cranked up.

vs. Book of Dead

Different theme, similar audience. Both are high-volatility single-feature slots with RTP above 96% and no Buy Bonus in the original version. Book of Dead sits at 96.21% vs 96.71% here. The mechanics differ entirely: Book of Dead uses an expanding chosen symbol during Free Spins, no cash-collect element. Big Bass Bonanza adds a running collection total across the bonus round - a mechanical layer that Book of Dead does not have. That difference splits the audience more cleanly than theme or volatility does.

Frequently Asked Questions

What is the RTP of Big Bass Bonanza?
96.71%, confirmed verbatim from the in-game Game Rules. Pragmatic Play publishes this figure directly: "The theoretical RTP of this game is 96.71%." Individual casino operators may configure a lower RTP. Always check the RTP in the game rules at the casino before placing real bets.
Does Big Bass Bonanza have a Buy Bonus feature?
No. The original Big Bass Bonanza (2020) does not have Buy Bonus. Bigger Bass Bonanza (2021) added it. For those who consider Buy Bonus a requirement, the sequels are the place to look.
What is the maximum win in Big Bass Bonanza?
2,100x bet. This is the hard cap - confirmed in both the in-game Free Spins rules and the Settings screen. If the total Free Spins round win reaches 2,100x bet, the round ends immediately and remaining spins are forfeited.
How often does the Free Spins feature trigger?
Expected roughly once per 200-250 spins based on the game's design mathematics. At $1.00 per spin that is an expected $200-250 per bonus trigger on average. In this demo session the feature did trigger - a 10-free-spin round that paid 40x the stake - which is in line with that expected frequency.
What is the Wild collector mechanic?
During Free Spins, Wild symbols land on the reels and collect the Money values from every fish symbol visible on screen at that moment. Those collected values accumulate across the entire round. Every 4th Wild collected retriggers the feature and advances the multiplier (2x, then 3x, then 10x). The final 10x multiplied phase is where the largest wins come from before the 2,100x cap.
What is the difference between Big Bass Bonanza and Bigger Bass Bonanza?
Bigger Bass Bonanza (2021) upgrades to a 5x4 grid with 12 paylines, raises the max win to 4,000x, and adds Buy Bonus. The Wild collector and retrigger structure is the same core concept. The original Big Bass Bonanza (2020) is the 5x3 starting point of the franchise.
What is the volatility of Big Bass Bonanza?
The in-game rules label it High volatility. SlotCatalog rates it Medium-High (4 out of 5). The in-game source takes priority. The High label fits the build: the base game pays little and the upside is concentrated in the Free Spins feature - which is where this session's $40 bonus came from.
Is there a demo version of Big Bass Bonanza?
Yes, available from Pragmatic Play's demo site directly. The demo runs with virtual credits and does not require registration. Demo results do not predict real-money performance.