Yggdrasil Released 2024

4 Fantastic Fish GigaBlox Slot

96% RTP
4.8/5 (124 votes)
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4 Fantastic Fish GigaBlox
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285% up to £7500 + 285 Free Spins
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RTP 96%
Volatility High
Min Bet £0.10
Max Bet £80.00
Max Win 960,000x
Paylines 46,656
RTP Distribution How 4 Fantastic Fish GigaBlox compares to all slots we review
90% 93% 96% 99%

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4 Fantastic Fish GigaBlox Slot Features

Gigablox Symbols
Reels merge to create oversized 2x2, 3x3, 4x4, or 5x5 symbols that break down into individual symbols for win evaluation across the 46,656 ways
Fish Collection
Landing fish symbols adds them to a meter that triggers special modifiers and bonus features when specific collection thresholds are reached
Cascading Wins
Winning symbols vanish and are replaced by new ones dropping from above, creating multiple wins from a single spin
Free Spins Bonus
Triggered through fish collection, awarding free games with enhanced Gigablox frequency and persistent multipliers that increase with each cascade

Our 4 Fantastic Fish GigaBlox Slot Review

This high volatility fusion of the original 4 Fantastic Fish and Yggdrasil's Gigablox mechanic delivers an engaging fishing adventure with genuine win potential. The 6x6 grid generating up to 46,656 ways to win combines with supersized symbols and cascading features to create regular excitement, though the 96% RTP sits at the lower end of the spectrum. With a 10,000x max win and stakes from £0.10 to £80, it's best suited to players comfortable with high variance gameplay who enjoy feature-rich slots with a cheerful aquatic theme.

Best for: High Rollers Thrill Seekers High Risk
Dan Thompson
Dan Thompson
Slot Analyst

A UK-based online slots analyst with over 15 years in the iGaming industry. Specialising in RTP analysis, volatility profiling, and bonus mechanic breakdowns across all major UKGC-licensed platforms. Known for delivering honest, data-driven reviews that help players make informed choices.

Last updated: 21 February 2026