The Golden Fish Tank slot universe expands with Yggdrasil Gaming's innovative sequel that transforms underwater exploration into an immersive casino experience. This comprehensive slot review examines every aspect of the game that takes place beneath the waves, where players can choose between standard gameplay and enhanced Golden Fish Tank features that trigger exceptional winning combinations.
Core Game Mechanics and Features
Golden Fish Tank 2 Gigablox represents a significant evolution in Yggdrasil's underwater slot portfolio with several key features:
- Game Layout: 6 reels and 4 rows with 25 paylines that create numerous opportunities for substantial wins.
- Gigablox Mechanic: Oversized symbols ranging from 2x2 to massive 6x6 configurations can appear across the screen.
- Winning Potential: Dramatically increases the chance to win on every spin through enlarged symbol combinations.
- Game Statistics: Medium-high volatility with an RTP of 96%, positioning the game perfectly for players seeking balanced risk-reward scenarios
- Demo Features: Unlike traditional slots where symbols remain static in size, the Golden Fish Tank 2 Gigablox showcases how enlarged symbols cascade and extend partially in view before revealing their full winning potential.
- Base Game Atmosphere: Serene underwater atmosphere with starfish, treasure chests, and various aquatic creatures that serve as both thematic elements and lucrative symbols.

Understanding the Gigablox Mechanic in Golden Fish Tank 2
The Gigablox symbols sized 2x2 represent the most common occurrence in this innovative slot from Yggdrasil, appearing frequently enough to maintain excitement while preserving the anticipation that defines quality online gambling experiences.
The mechanic transforms standard reel configurations by introducing symbols that can expand beyond traditional 1x1 dimensions, with 3x3 symbols appearing at medium frequency and 4x4 representing the maximum size achievable in the base game.
During free spins, the Expanded Reels modifier unlocks the true potential of gigablox symbols, enabling massive 6x6 configurations that can dominate the entire screen.
Gigablox Size Frequency:
- 2x2 symbols – Most common occurrence, maintaining steady gameplay rhythm
- 3x3 symbols – Medium frequency, providing balanced excitement and winning potential
- 4x4 symbols – Base game maximum, creating significant anticipation and payout opportunities
- 6x6 symbols – Exclusive to free spins with Expanded Reels modifier, delivering maximum win potential
The Golden Bet Feature: Is It Worth the Extra Cost?
The Golden Bet feature requires players to increase their stake by 20% in exchange for an extra feature pick during bonus rounds, creating a strategic decision point that separates casual players from those seeking maximum winning combinations. When golden bet switched to active mode, players get an extra feature pick that can significantly enhance their bonus round experience.
| Aspect | Standard Play | Golden Bet |
|---|---|---|
| Cost | Base bet | Base bet +20% |
| Feature Picks | Random number | Random number +1 |
| Potential Value | Variable | Potentially higher |
| Best For | Budget players, longer sessions | Feature hunters, bonus-focused players |
The Treasure Chest Feature
The treasure chest feature operates as an instant prize mechanism that can activate during both base game and free spins, delivering immediate rewards that range from multiplier wins to substantial coin prizes. These treasure chest symbols appear randomly across the 6 reels, creating bubble effects that enhance the underwater atmosphere while providing tangible value through instant payouts that don't require traditional payline formations.
Bonus Rounds
The free spins feature activates when players achieve the required trigger combination, presenting a selection screen where strategic decision-making determines the bonus round's ultimate value. Players receive between 6 to 12 free spins initially, though this number can increase through various modifiers, and each bonus round begins with a random number of feature picks that allow customization of the enhanced gameplay experience.
The mechanism operates independently of bet size, ensuring that both high-stakes and conservative players have equal opportunity to access these lucrative bonus rounds. The free spins for 60x buy option provides immediate access to these bonus rounds, though natural triggering through regular gameplay often provides better long-term value for patient players who understand the game's rhythm and volatility patterns.

Feature Pick Strategies for Golden Fish Tank Slot
Successful navigation of the feature picks requires understanding how each modifier contributes to winning combinations and which combinations create the most lucrative outcomes. The random number of feature picks means players must adapt their strategy based on the available options, prioritizing high-impact modifiers that fundamentally alter the bonus round's dynamics.
The x2 multiplier stands as the most crucial modifier because it doubles all wins achieved during the bonus round, making it essential for reaching the slot's max win potential.
Modifier Priority Ranking:
- x2 Multiplier – Doubles all wins, essential for reaching max potential
- Expanded Reels – Adds rows and enables larger Gigablox
- Wild Fish – Turns a fish symbol wild, increasing win frequency
- Extra Wilds – Adds random wilds each spin
- Fish Stacks – Creates stacked symbols for bigger win potential
- Extra Free Spins – Extends the bonus round but doesn't increase win multipliers
Optimal Combinations for Maximum Wins
The most effective synergies for achieving maximum wins during bonus rounds involve combining the x2 multiplier with features that fundamentally expand winning possibilities, particularly the Expanded Reels modifier that enables 6x6 gigablox symbols to dominate the screen.
Most Effective Synergies:
- x2 Multiplier + Expanded Reels + Wild Fish
- x2 Multiplier + Extra Wilds + Fish Stacks
- Expanded Reels + Wild Fish + Extra Wilds
- Any combination including both x2 Multiplier and Expanded Reels

The Buy Bonus Option: When to Use It
The buy bonus feature offers 2 options for players seeking immediate access to free spins, with the standard option costing 60x the current stake and the enhanced version requiring 100x bet for additional feature pick opportunities.
Conservative players often find better value in natural bonus triggering, as the 60x cost represents substantial investment that may not guarantee proportional returns.
| Option | Cost | What You Get | Best Used When |
|---|---|---|---|
| Standard | 60x stake | 5-16 free spins | You want guaranteed bonus access |
| Golden Bet | 100x stake | 5-16 spins + extra pick | You're hunting for specific modifier combinations |
Golden Fish Tank 2 Gigablox Pros and Cons
This underwater adventure from Yggdrasil Gaming delivers exceptional visual presentation and innovative mechanics that distinguish it from conventional slot experiences. The gigablox system creates genuine excitement through anticipation of oversized symbols, while the comprehensive modifier system during free spins provides strategic depth rarely seen in similar games.
| Pros | Cons |
|---|---|
| Innovative Gigablox Mechanic – Creates unique anticipation and winning potential through oversized symbols | Medium-High Volatility – May not suit players preferring frequent smaller wins |
| Strategic Bonus Features – Feature pick system allows customization of bonus rounds | Complex for Beginners – Multiple mechanics may overwhelm new players |
| Excellent Visual Design – Immersive underwater theme with high-quality graphics | Buy Bonus Cost – 60x-100x stake requirement may be expensive for some budgets |
| Strong Max Win Potential – Up to 5,000-10,000x stake possible with optimal combinations | RTP Slightly Lower – 96% RTP below some competitor offerings |
| Balanced RTP – 96% provides fair long-term returns for players | Learning Curve – Requires understanding of modifier synergies for optimal play |
Evolution of the Golden Fish Tank Series
The original Golden Fishtank slot back in 2016 established Yggdrasil's reputation for innovative underwater themes, featuring a simpler 5-reel, 3-row layout with 20 paylines that focused on traditional slot mechanics. The first game achieved popularity through solid gameplay fundamentals and attractive visual design.
Golden Fish Tank 2 represents a comprehensive evolution that maintains the series' thematic integrity while introducing cutting-edge mechanics. The sequel's expansion to 6 reels with 4 rows and 25 paylines creates significantly more winning opportunities, while the Gigablox system introduces dynamic symbol sizing. Players seeking the best online slots with aquatic themes will find that the sequel successfully builds upon the original's foundation while introducing innovations that justify its position among contemporary Golden Fish slots.
| Feature | Golden Fish Tank (2016) | Golden Fish Tank 2 Gigablox |
|---|---|---|
| Layout | 5 reels, 3 rows, 20 paylines | 6 reels, 4 rows, 25 paylines |
| Special Mechanics | None | Gigablox symbols |
| Volatility | Medium | Medium-high |
| RTP | 96.4% | 96% |
| Max Win | 300x | 5,000-10,000x |
| Bonus Features | Free Spins, Feature Picks | Free Spins, Feature Picks, Treasure Chest, Buy Bonus |
Similar Games You Might Enjoy
Players who appreciate Golden Fish Tank 2's innovative approach will find excellent alternatives in other Yggdrasil Gaming releases that feature similar mechanics or thematic elements. The gigablox mechanic appears in several other titles, allowing players to experience the oversized symbol excitement in different thematic contexts.
Recommended Similar Slots:
- Raptor Doublemax – Features similar Yggdrasil innovation with unique mechanics
- Vikings Go Berzerk – Combines thematic storytelling with advanced bonus features
- Atlantis Megaways – Underwater theme with expanding reel mechanics
- Reef Raider – Aquatic adventure with treasure hunting elements
- Lucky Neko Gigablox – Same gigablox system in different thematic setting
- Multifly! – Yggdrasil creation with innovative multiplier mechanics
Conclusion: Diving Into Golden Fish Tank
Golden Fish Tank 2 Gigablox is an exemplary evolution of aquatic-themed slot gaming that successfully balances innovation with accessibility. The game delivers exceptional value through its combination of strategic bonus features, impressive visual presentation, and significant max win potential that justifies its position among premium casino offerings.