Big Bass Hold & Spinner Megaways Slot Review
Big Bass Hold & Spinner Megaways represents the 10th milestone release in Pragmatic Play’s wildly successful Big Bass series, and it’s perhaps the most feature-packed instalment yet. Developed through Reel Kingdom, this fishing-themed slot combines two of the most compelling bonus mechanics in modern gaming: Hold & Spin and unlimited multiplier Free Spins, all wrapped around the Megaways engine. What makes this game stand out is its sheer mechanical depth. Rather than simply recycling familiar Big Bass formulas, Pragmatic Play has crafted something genuinely different—a game that appeals equally to players chasing the base game thrill and those hunting for explosive bonus features. With a maximum win of 20,000x stake (tied for the highest in the entire Big Bass portfolio) and an impressive 96.70% RTP option, this slot delivers substance alongside its substantial prize potential.

Base Game & Features
The base game operates across 6 reels and 6 rows, generating an impressive 147,456 Megaways on every spin. The Megaways mechanic means symbol positions change dynamically with each spin, creating fresh win opportunities throughout play. The betting range spans £0.20 to £250 per spin, making this accessible for both conservative players and high-stakes gamblers.

Win Mechanics and Symbols
Wins form across any payline that passes through identical symbols on adjacent reels, with cascading reels triggering after each successful combination. When symbols land, they connect and pay, then disappear—allowing new symbols to tumble down and create additional wins. This cascading mechanic builds momentum throughout the base game and can generate substantial wins before bonus features even trigger.
The symbol lineup includes traditional fishing-themed icons: the Fisherman, various bass types (regular, golden, harpoon), plus lower-value card symbols (A, K, Q, J, 10, 9). The Wild symbol substitutes for all regular symbols except scatters, and when it appears, it expands to fill entire reels, creating opportunities for dramatic multi-symbol wins.

Special Symbols and Mystery Features
The Scatter symbol is your key to unlocking the game’s dual bonus universe. Land three or more scatters anywhere on the reels to trigger either Free Spins or Hold & Spin mode. The Mystery symbols add another layer of engagement—these can transform into any regular symbol (except scatters), creating unexpected wins during base play and keeping the experience fresh between bonus rounds.
The Fisherman symbol, unique to this instalment, operates as a collector mechanism. Every Fisherman that lands adds its associated “Fish Money” value to a meter. Every four Fishermen collected triggers an automatic +10 spins retrigger and increases the multiplier (x2 → x3 → x10 → unlimited +10). This progression creates genuine tension throughout extended free spin sessions.
Big Bass Hold & Spinner Megaways Free Spins & Bonuses
Big Bass Hold & Spinner Megaways distinguishes itself by offering two equally compelling bonus experiences, each with distinct mechanics and win potential.

Free Spins with Unlimited Multipliers
Landing three to six scatter symbols awards 10 to 25 free spins respectively. What sets this round apart is the multiplier progression system. You begin with a base multiplier that escalates: x2 → x3 → x10 → and then unlimited increments of +10. Every four Fishermen collected during the round adds 10 additional spins while bumping the multiplier up another tier. This creates a fundamentally different dynamic from traditional fixed-multiplier games—the ceiling on your win potential literally doesn’t exist if the Fishermen keep landing.
The cascading reels remain active during free spins, and the Megaways mechanic continues to shift positions, ensuring fresh symbol arrangements throughout the bonus. The combination of Fisherman collection, multiplier escalation, and cascading mechanics creates genuine tension. You’re not just hoping for big wins; you’re hoping each cascade brings another Fisherman to push your multiplier higher.
Hold & Spin Bonus Mode
The Hold & Spin mode operates differently but with equally compelling mechanics. When triggered, you receive three initial spins to land Cash symbols with fixed values and special modifiers. Any Cash symbol that lands becomes “held” on the reels while the remaining reels re-spin. Each held symbol adds its value to your bonus total, and additional Fishermen appearing during this phase continue the same collection mechanic, increasing multipliers just as they would in Free Spins.
If the reels completely clear without landing a new Cash or Fisherman symbol, the Hold & Spin ends. However, new Cash symbols landing can extend your spins, and the potential for substantial wins exists across both bonus modes. A critical detail for UK players: bonus buy features are not available to UK players due to UKGC regulations, though Free Spins and Hold & Spin trigger frequently enough through natural gameplay.
Our Honest Verdict
Rating: 4.5/5
Big Bass Hold & Spinner Megaways is genuinely one of the standout titles within the Big Bass series, particularly for experienced high-volatility players who appreciate mechanical depth. The 20,000x maximum win sits at the absolute peak of the franchise—matching the series’ highest potential—and here’s where innovation shines: you can hit that ceiling through base game wins, free spins, or Hold & Spin modes. That multi-pathway approach to maximum payouts is rare and genuinely valuable.
The unlimited multiplier progression in Free Spins represents the first-time innovation for the Big Bass series, and it’s a game-changer. Rather than settling for a capped multiplier (typically 10x or 15x in similar games), the Fisherman collection system creates theoretically unlimited escalation. This keeps the tension alive throughout extended bonus rounds and genuinely rewards extended play sessions with bigger multipliers.
The mechanical depth here is substantial. The Megaways engine, cascading reels, Mystery symbols, and dual bonus features create layered gameplay that justifies extended sessions. The aesthetic may feel slightly dated compared to some newer releases—it’s a bit clunky visually—but the gameplay mechanics absolutely compensate. The base game hit frequency of one win in five spins keeps engagement steady between bonus triggers, which matters enormously in high-volatility slots where dry spells are inevitable.
The volatility caveat deserves emphasis: this is a high-volatility (5 out of 5) game. Free Spins trigger approximately every 319 spins, which means you need substantial session budgets and genuine patience. The trade-off, of course, is that when the bonuses do trigger, the potential for life-changing wins is genuine. For high-volatility chasers, this trade-off is worth making.
Pragmatic Play has created something distinctly premium here. The combination of 96.70% RTP, dual bonus features, mechanical innovation, and that series-leading max win potential makes this the definitive Big Bass choice for experienced players. If you’re new to high-volatility slots, Big Bass Bonanza might offer gentler progression. But if you’re seeking the biggest challenge and most rewarding features from this franchise, Big Bass Hold & Spinner Megaways is the answer.
Big Bass Hold & Spinner Megaways FAQs
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What is the RTP of Big Bass Hold & Spinner Megaways?
Big Bass Hold & Spinner Megaways features a triple-tier RTP system: 96.70% (top tier), 95.69% (mid tier), and 94.62% (lower tier). The 96.70% RTP is above average for Pragmatic Play releases and represents solid value for players seeking long-term gameplay sustainability. -
What is the maximum win in Big Bass Hold & Spinner Megaways?
The maximum win reaches 20,000x stake, making this the joint-highest in the entire Big Bass series. Remarkably, this maximum is achievable through three pathways: base game cascades, Free Spins with unlimited multipliers, or the Hold & Spin bonus mode, giving you multiple opportunities to chase the ceiling. -
How volatile is Big Bass Hold & Spinner Megaways?
This is a high-volatility slot (5 out of 5) with a hit frequency of approximately one win every five spins. Free Spins trigger around every 319 spins, requiring substantial session budgets. However, when bonuses do land, the win potential is substantial—particularly with the unlimited multiplier progression during Free Spins. -
What are the main features in Big Bass Hold & Spinner Megaways?
This game packs remarkable mechanical depth with several key features: Free Spins (3-6 scatters trigger 10-25 spins), unlimited multiplier progression (x2, x3, x10, then unlimited +10), Hold & Spin bonus with Cash collection, Mystery symbols that transform into regular symbols, Fisherman collection mechanics with multiplier escalation, and 147,456 Megaways generating dynamic win opportunities on every spin. -
How does Big Bass Hold & Spinner Megaways compare to Big Bass Bonanza?
The original Big Bass Bonanza features a simpler 5×3 reel structure with 10 fixed paylines and a 2,100x maximum win. Hold & Spinner Megaways scales up dramatically: 6×6 reels, 147,456 Megaways, 20,000x max win, dual bonus features (rather than single), and crucially, unlimited multiplier progression. For experienced players, Megaways offers substantially more complexity and reward potential. -
What makes the Fisherman symbol special in Big Bass Hold & Spinner Megaways?
The Fisherman is a collector symbol unique to this release. Every Fisherman landing adds value to a collection meter. Every four Fishermen collected triggers an automatic +10 spins retrigger while escalating the multiplier (x2 → x3 → x10 → unlimited +10). This creates genuine tension throughout extended bonus rounds and offers unlimited multiplier potential. -
Can I play Big Bass Hold & Spinner Megaways on mobile?
Yes. Pragmatic Play’s mobile optimisation ensures seamless gameplay across smartphones and tablets. The Megaways engine, cascading reels, and all bonus features perform smoothly on mobile devices, making this an excellent choice for players preferring to gamble on-the-go. -
Are bonus buy features available for Big Bass Hold & Spinner Megaways?
Bonus buy options do exist (Free Spins cost 100x stake, Hold & Spin costs 120x stake), allowing you to bypass natural triggering. However, bonus buy features are not available to UK players due to UKGC regulations. Additionally, some operators may have disabled bonus buy even in non-UK jurisdictions, so availability varies by casino.


