Bigger Bass Bonanza is a fishing-themed slot built by Reel Kingdom for Pragmatic Play. It takes the wild-collection idea that made the original a hit and stretches it across a taller grid with more lines, aiming squarely at players who enjo…
RTP varies by casino. Studios release the same slot in more than one RTP build and each casino picks which one it runs, so check the RTP in this game's own info screen at the casino where you play.
Facts from the SlotsLaunch games feed, last synced 6 Sep 2026. The rules inside the game take precedence.
Recorded from Bigger Bass Bonanza's own information screens while the game ran in demo mode at a licensed casino, 7 September 2026. Symbol values appear exactly as the game prints them, which below means cash amounts at a $1.20 spin. A casino can run a different build of a slot, so check the game's own info screen where you play.
| Symbol | 5 | 4 | 3 | 2 |
|---|---|---|---|---|
| boat | $240.00 | $24.00 | $6.00 | $0.60 |
| fishing rod and reel | $120.00 | $18.00 | $3.60 | |
| toucan / parrot | $60.00 | $12.00 | $2.40 | |
| tackle box | $60.00 | $12.00 | $2.40 | |
| A | $12.00 | $3.00 | $0.60 | |
| K | $12.00 | $3.00 | $0.60 | |
| Q | $12.00 | $3.00 | $0.60 | |
| J | $12.00 | $3.00 | $0.60 | |
| 10 | $12.00 | $3.00 | $0.60 | |
| fish (MONEY)Money | TOTAL MONEY VALUE AMOUNT | $6.00 | $1.20 | |
| WILD (fisherman)Wild | ||||
| SCATTER (big bass fish)Scatter | ||||
| MONEY (fish)Money |
All symbols pay from left to right on adjacent reels starting from the leftmost reel.
Medium volatility games pay out steadily and the range of pays varies from low to very high.
All symbols pay from left to right on selected paylines.
All wins are multiplied by bet per line.
All values are expressed as actual wins in coins.
Only the highest win is paid per line.
When winning on multiple paylines, all wins are added to the total win.
SPACE and ENTER buttons on the keyboard can be used to start and stop the spin.
Malfunction voids all pays and plays.
p03.png: payline diagrams 1-12, no text (numbered grids of highlighted positions)
Click the + or - buttons to change the bet value and open the bet menu.
Select the bet you want to use in the game.
Press the SPIN button to play.
opens the SETTINGS menu that contains settings which affect the way the game is being played.
cycles through spin speed settings, normal speed, quick spin and turbo spin.
starts the HYPERPLAY feature.
toggles sound and music on and off
opens the Information page
by Pragmatic Play
18+ | T&Cs Apply | Gamble Responsibly
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Bigger Bass Bonanza is a medium volatility slot by Pragmatic Play with an RTP of 96.71%. This game features 12 paylines across 5 reels. Play Bigger Bass Bonanza for free on Slottomat, compare the core stats quickly, and browse trusted slot offers available in your market.
The game plays on a 5x4 grid with 12 fixed paylines. There is no line selection to manage — your only decision before each spin is the stake. Set your bet with the coin controls, then spin manually or hand things over to autoplay for a preset run. The wider four-row layout is the headline upgrade over the predecessor's shorter grid, giving more room for symbols to stack and for the fisherman wild to do its work during the bonus.
The return to player sits at 96.71%, which is a touch above the rough 96% mark common across the slot category. Volatility is rated high. In practice that means the base game can run quiet for long stretches, with the bulk of the prize potential concentrated in the free spins feature rather than spread evenly across every spin. Treat the listed RTP as a long-run theoretical figure, not a session-by-session expectation.
The reels are dressed in fishing gear set against open lake water. Card royals styled as tackle handle the smaller, more frequent payouts, while lures, tackle boxes and the bass itself sit at the top of the standard paytable and land less often. The base game is deliberately understated — line wins tick the balance along, but the real machinery only switches on once the bonus triggers.
Landing 3, 4 or 5 scatter symbols anywhere on the reels awards 10, 15 or 20 free spins respectively. During the round, the fisherman becomes the engine of the game. Two symbol types matter most here:
The multiplier ladder is tied to wilds collected. Each time you gather your fourth wild, the feature retriggers with 10 extra spins and the multiplier steps up — 2x on the first retrigger, 3x on the second and 10x on the third. Retriggering stops after the third step. That 10x stage, landing on a screen full of high-value Money Symbols, is the route to the game's ceiling.
The top win is capped at 4,000x your stake — double the headline figure of the original game. This is a hard ceiling rather than a theoretical one: payouts come entirely from collected Money Symbol values multiplied by the active free spins multiplier, with no separate jackpot tiers layered on top. It is a meaningful prize for a 12-line fishing slot, but it keeps Bigger Bass Bonanza grounded rather than positioning it as an extreme-multiplier title.
The game runs in any modern mobile browser with no app or download required, and the controls resize to fit smaller screens. Because every meaningful feature lives inside the free spins, the demo is genuinely useful: it lets you watch how the fisherman wild sweeps up Money Symbol values and how the retrigger multipliers build. Note that there is no bonus-buy option here — the free spins have to be triggered by landing scatters naturally.
If the wild-collection format suits you, the wider series is worth exploring. Big Bass Bonanza is the original that started it all, with a tighter grid and the same fisherman mechanic. Big Bass Splash adds selectable wild modifiers ahead of the bonus, and Big Bass Amazon Xtreme moves the theme to the rainforest while keeping the high-variance free spins core intact.
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Direct answers to the questions players usually ask before trying a slot.
It works on both mobile and desktop, so you can practice.
No, Bigger Bass Bonanza's own info screen rates it as a medium-volatility (medium-variance) slot. Medium volatility games pay out steadily and the range of pays varies from low to very high.
You need to land 3, 4, or 5 Scatter symbols (the big bass fish) anywhere on the reels in a single spin. This will award you 10, 15, or 20 free spins, respectively.
