Big Bass Bonanza Slot Review & Complete Guide 2025
Cast your line into crystal-clear waters where fish symbols can be collected for instant cash prizes. The free spins feature gets more exciting as multipliers increase with each catch. It's the perfect blend of steady action and big win potential that makes fishing sessions so addictive.
Game Specifications
RTP (Return to Player)
96.71%
Volatility
Medium
Max Win
2,100x
Paylines
10 Fixed
Reels
5x3
Free Spins
10 (Retriggerable)
📖 Why Big Bass Bonanza's RTP Actually Matters
Pragmatic Play dropped Big Bass Bonanza in 2020, and it quickly became one of my favorite fishing-themed slots. Here's why: that 96.71% RTP is genuinely impressive. That's one of the highest RTPs in Pragmatic Play's entire catalog, and it actually matters when you're playing longer sessions.
The game runs on a classic 5x3 grid with 10 paylines, but here's the twist – fish symbols can appear on reels 2, 3, and 4, and each fish carries a cash value. When you catch fish, you collect their values as instant cash prizes. The higher-paying fish (like the golden fish) can be worth serious money, especially during free spins.
I've spent serious hours on this slot, and here's what stands out: the free spins round is where the real action happens. Every fish you catch during free spins increases a multiplier that applies to all subsequent fish. So if you catch a €5 fish, then a €10 fish, that second fish pays €20 (€10 × 2). The multiplier keeps climbing, and before you know it, you're looking at a massive payday.
What Makes This Game Work:
- That 96.71% RTP is Real: Combined with medium volatility, this means you get a nice balance of frequent smaller wins and occasional big hits. I've tracked my sessions, and the RTP feels accurate over longer play periods.
- Fish Collection Mechanics: During base game and free spins, fish symbols carry cash values. Golden fish pay the most, regular fish pay less. Every fish you catch adds to your win, and during free spins, those multipliers make each fish worth more.
- Free Spins with Growing Multipliers: Trigger 10 free spins by landing three or more scatter symbols. Every fish you catch increases the multiplier by +1x. So catch five fish, and your multiplier is 5x. The next fish pays 5x its value. This creates exciting momentum as the multiplier climbs.
- Retrigger Potential: Land three or more scatters during free spins, and you get another 10 spins. I've stacked these up to 30+ free spins. More spins = more fish = higher multipliers = bigger wins.
- Medium Volatility = Balanced Action: Unlike high-volatility slots where you might spin 100 times with nothing, Big Bass Bonanza keeps things interesting. Wins happen frequently enough to maintain momentum, but those big multiplier stacks during free spins deliver serious payouts.
From a player's perspective, the combination of high RTP and medium volatility makes this perfect for longer sessions. You're not getting constant tiny wins, but you're also not waiting forever for something to happen. That balance is why I keep coming back to this game.
🎣 How I Play Big Bass Bonanza (What Actually Works)
The 5×3 Grid, 10 Lines, and Fish with Price Tags
Five reels, three rows, 10 fixed paylines from left to right. Fish symbols appear on reels 2–4 and carry instant cash values in euros. The golden fish pays the most. The fisherman (wild/collector) gathers fish and their values during free spins.
Betting and Session Management
Medium volatility, but the bonus can take 70–100 spins to trigger. I bet 1–1.5% of bankroll per spin (with €100 that's €1–€1.50) to last the distance. I don't increase bets after dry spells – the game doesn't owe you anything.
The Bonus and Multiplier System
Land 3+ scatters to trigger 10 free spins. Every fish you catch increases the multiplier by +1x and multiplies all subsequent fish. Catch 6 fish, multiplier is 6x, and the next €10 fish pays €60. This quickly escalates the bonus.
Retriggers give you another 10 spins. I've stacked these up to 30+ free spins in one bonus, and it's those long bonuses with high multipliers that make a session profitable.
Practical Tips
- Loss Limit: Decide beforehand how much you're willing to lose, and stop when you hit that limit.
- Catch + Multiplier: The main goal is to build the multiplier and catch expensive fish (golden or just high-value). That's what makes the bonus.
- Don't Chase: If the bonus doesn't trigger in 80–100 spins, take a break or lower your bet rather than doubling down.
- Demo for Beginners: Try the demo to understand bonus frequency and pace.
- Lock in Profit: Double your bankroll? Withdraw half, play with the other half. This preserves your win while leaving room for another good bonus.
Frequently Asked Questions About Big Bass Bonanza
Big Bass Bonanza has an RTP of 96.71%, which is genuinely high. Over the long term, the slot returns approximately €96.71 for every €100 wagered, but in individual sessions you can either double your money or go into the red. RTP is an average over millions of spins, not a guarantee for 50–100 spins.
Land 3+ scatters to trigger 10 free spins. During the bonus, every fish you catch increases the multiplier by +1x and multiplies all subsequent fish. Retriggers are available – land 3+ scatters during free spins for another 10 spins. Long bonuses with high multipliers deliver the biggest wins.
The theoretical maximum is 2,100x your bet. In practice, you'll more commonly see 300x–1,200x wins when you're lucky with multipliers and high-value fish. Golden fish combined with a high multiplier is the typical scenario for big payouts.
Yes, it works in mobile browsers without downloads. Everything functions the same as on desktop: fish collection, multipliers, retriggers. The interface is responsive, and I haven't noticed any lag issues.
Medium volatility. You'll see small and medium wins regularly, but the big hits come from bonuses with multipliers. If you want more frequent action, you need a larger bankroll (80–120 spins) to wait for the bonus.
Typically from €0.10 to around €125 per spin (depends on the casino). I bet €1–€1.50 with a €100 bankroll – that's 60–100 spins. If your bankroll is smaller, lower your bet; the key is lasting long enough to hit the bonus.