Pragmatic Play’s Big Bass & the Gold Ness Monster blends medieval myth with classic fishing on a 5×3 grid. Chase a 5,000x win with 98% RTP and two unique free spins modes.

Key Bonus Features Overview
| Feature Name | Description | Trigger / How it Works |
|---|---|---|
| Money Symbol Collect | Fish symbols land with cash values from 2x to 5,000x. The Fisherman Wild symbol collects all visible values. | Appears in base game and Free Spins. Fisherman Wild must land on the same spin. |
| Standard Free Spins | A progressive round where every 4th Fisherman Wild collected awards +10 spins and increases the money symbol multiplier. | Triggered by 3, 4, or 5 Scatters, awarding 10, 15, or 20 spins respectively. |
| Gold Ness Monster Free Spins | A special bonus round on a different grid containing only Fisherman Wilds, Money Symbols, and blanks. | Triggered by revealing a Bonus Card during the pre-feature Pick a Card game. |
| Progressive Multiplier Trail | During Free Spins, collected Fisherman Wilds advance a meter. The multiplier increases to 2x, 3x, and finally 10x. | Every 4th Fisherman Wild symbol collected advances the trail. |
| Bonus Buy | Instantly purchase either the Standard Free Spins (100x bet) or the Gold Ness Free Spins (270x bet). | Click the “Buy Feature” button and select the desired option. |
| Ante Bet | Increases the stake by 50% (15x bet multiplier) for a higher chance of triggering the Free Spins round naturally. | Toggle the switch on the left side of the game grid. |
What are the Core Gameplay Mechanics?
The Big Bass and the Gold Ness Monster slot operates on a 5-reel, 3-row grid with 10 fixed paylines. Winning combinations are formed by landing three or more matching symbols from left to right, starting from the first reel. This structure is the standard blueprint for most games in this popular Fishing themed slots series, providing a familiar foundation for the game's unique features.
The base game revolves around standard line wins and the anticipation of the Money Collect feature. Fish symbols land with cash values attached, but these values are only awarded when the Fisherman King Wild symbol appears on the same spin. This dynamic, also seen in titles like Fishin' Frenzy Fortune Spins, creates moments of high potential even outside of the main bonus round. A screen full of fish is worthless without the King, but his appearance can turn a dead spin into a significant prize.
Expert's Take by Vlad Hvalov
When you're playing the Big Bass and the Gold Ness Monster demo, pay close attention to the Ante Bet. Activating it for a 50% higher stake is designed to increase the frequency of Scatters. I think it’s a valuable tool in the free play version, not to win demo credits, but to get a better feel for how often the bonus rounds actually trigger under enhanced odds. It’s a way to stress-test the feature without any real risk.
How to Trigger the Free Spins Rounds?
The Free Spins feature is triggered by landing 3, 4, or 5 Gold Ness Monster Scatter symbols anywhere on the reels. This awards 10, 15, or 20 free spins, respectively. The game also includes a random respin feature; if two Scatters land, there is a chance for a third to be brought onto the screen to initiate the bonus, a mechanic that adds a layer of suspense to near-misses.

Before the spins begin, a “Pick a Card” mini-game appears with 12 face-down cards. Your selection determines which of the two bonus rounds you will play. Revealing a “Bonus” card triggers the special Gold Ness Monster Free Spins, while any other reveal starts the Standard Free Spins. This choice element is a significant departure from other Big Bass titles and a core part of this game's identity.

The Standard Free Spins Trail
This round will feel instantly familiar to fans of the series. The Fisherman King Wild symbol becomes the star. Whenever he lands, he collects the values from all Fish Money symbols on screen. Furthermore, each Wild is collected in a progressive trail above the reels. For every four Fisherman Wilds collected, the feature retriggers, awarding an additional 10 spins and increasing the win multiplier for all subsequent money collections. The multiplier progresses from 2x for the first retrigger, to 3x for the second, and finally a 10x multiplier for the third retrigger. This escalating multiplier system is the key to chasing the game's bigger payouts, similar to the build-up in The Dog House Multihold.

Unlocking the Gold Ness Monster Bonus
The Gold Ness Monster round is where this game carves its own legend. If triggered from the Pick a Card feature, the entire dynamic shifts. The standard reels are removed and replaced with a special grid containing only Money symbols, Fisherman King Wilds, and empty blank spaces. The round starts with 10 spins, and the objective is the same: land Fisherman Wilds to collect all cash values.

The key difference is the removal of all other paying symbols. This concentrates the action entirely on the collection mechanic. While you lose the ability to form standard line wins, the potential for massive screen-wide collections increases. Just like the standard version, every four Wilds collected retriggers the feature with +10 spins and an upgraded multiplier, pushing towards that 5,000x max win. It's a focused, high-intensity version of the bonus that feels like a true boss battle.
A Skeptic's View: The 98% RTP Promise
The advertised RTP of 98.00% is an exceptionally high figure that immediately catches the eye. However, this number must be viewed through the lens of the game's High Volatility. An RTP of 98% suggests a theoretical return of $98 for every $100 wagered over millions of spins, but high volatility dictates that this return will be distributed in a highly uneven manner.
In the context of the demo, players will experience long spells of low-value wins or no wins at all, punctuated by rare but substantial payouts from the bonus features. The 98% RTP doesn't guarantee frequent wins; it simply means the game is mathematically structured to pay back more over an enormous sample size. For players testing the game, this translates to needing a disciplined approach to bankroll management, as the high volatility can drain a demo balance quickly while you hunt for the features where the RTP is truly realized. It's a classic risk-reward model, reminiscent of volatile games like Gates of Olympus Pachi where patience is a requirement.
Big Bass & The Gold Ness Monster vs. Other Fishing Legends
How does this medieval fishing expedition stack up against its predecessors and rivals? Compared to the original Big Bass Bonanza, the core collection mechanic and progressive trail are identical. However, the addition of the second, more volatile “Gold Ness” bonus round and the “Pick a Card” feature gives this version more narrative depth and gameplay variety. It transforms the experience from a simple fishing trip into a Mythology-themed quest.
Against a more modern entry like Big Catch Bass Fishing Christmas, this game feels less seasonal and more epic in scope. While both are part of the broader Animal slots category, the “Gold Ness” version leans into its Legend theme to differentiate itself. The 98% RTP is also a significant statistical advantage over most other titles in the fishing genre, making it a compelling choice for players focused on the numbers. Exploring the full catalog of games on our site reveals many other titles with unique takes on these popular themes.
Understanding the Math: Volatility and Max Win Potential
Pragmatic Play rates Big Bass and the Gold Ness Monster with a 5/5 high volatility. This mathematical model is the engine behind the game's thrilling but unpredictable nature. A high volatility rating means that payouts are less frequent but have a greater chance of being large. The base game is designed to maintain your balance while you wait for the Free Spins features, which house the slot's primary potential.
The maximum win is capped at 5,000 times your total stake. Achieving this cap is most feasible during the Free Spins rounds, especially with the 10x multiplier active on the progressive trail. The high RTP of 98% is a huge draw, but it’s the volatility that defines the session-to-session experience. Players looking for consistent, smaller wins might find games like Fruit Shop more suitable, while those who enjoy the hunt for massive payouts will find this model engaging. You can find plenty of other free demo slots on our platform to compare different volatility levels.
The Lore of the Loch
- A Royal Fisherman: Unlike the casually dressed fisherman in other Big Bass games, this version's protagonist is a crowned king, blending the fishing theme with elements of Arthurian legend and Royal quests.
- The 98% Anomaly: An RTP of 98% is exceedingly rare for modern online slots. Most games from top providers hover around 96%. This makes the game a statistical standout, likely designed to attract players who prioritize theoretical returns.
- A Mythological Mashup: The slot combines the Scottish legend of the Loch Ness Monster with a generic medieval European setting, creating a unique Adventure and Fantasy world for the familiar Big Bass character to inhabit.
Expert's Take by Vlad Hvalov
People get fixated on the Gold Ness feature, and for good reason. But don't underestimate the random respin. When you land two scatters, the game doesn't just give up. It can randomly nudge, hook, or transform a symbol to bring that crucial third scatter into play. In the demo, I've seen it trigger just enough to remind you it's there. It’s a small detail, but it turns a moment of disappointment into one of pure suspense.
My Take on the Demo Experience
So, should you cast a line into these mythical waters? Honestly, yes. The demo play is solid. The fusion of the familiar Big Bass loop with a mythological quest for a monster is executed well. That 98% RTP isn't just a number; you can feel its potential lurking beneath the surface, even if the high volatility makes you work for it.
The real star is the dual-bonus system. It adds a genuine layer of excitement to the trigger sequence. Are you going on a regular trip, or are you hunting the beast? This simple question keeps the game from feeling repetitive. For fans of the Big Bass series, this is an essential play. For newcomers, it's one of the most feature-rich entry points into one of the most popular mechanics in slots. Just be prepared for the volatile ride… it's a monster hunt, after all.
FAQ
The theoretical Return to Player (RTP) for this slot is an exceptionally high 98.00%, which applies to the base game and when using the Ante Bet or Bonus Buy features.
The Gold Ness Monster bonus is played on a special grid where only Money Symbols, Fisherman Wilds, and blank spaces can land, concentrating the action on the collection mechanic.
Yes, Pragmatic Play rates this game as having high volatility, meaning wins may be less frequent but have the potential to be significantly larger.
The maximum win is capped at 5,000 times your total bet, a potential most likely achieved during the free spins rounds with active multipliers.
Yes, collecting four Fisherman Wild symbols during either free spins mode will retrigger the feature, awarding 10 extra spins and an increased win multiplier.
Yes, it is a part of the highly popular Big Bass slot series developed by Pragmatic Play's partner studio, Reel Kingdom.
The Ante Bet increases your stake by 50% to add more Scatter symbols to the reels, raising your chances of triggering the free spins round naturally.
A free demo version of the Big Bass and the Gold Ness Monster slot is available to play directly on Respinix.com.
Big Bass and the Gold Ness Monster












