4 Fantastic Fish Gigablox

4 Fantastic Fish Gigablox

4ThePlayer · Slots · Fish
  • RTP96
  • Volatility5
  • Reels6

4 Fantastic Fish Gigablox is a 6-reel, 6-row respins slot from Yggdrasil Gaming with a 96% RTP and a x2000 max win. The Giant Squid can shuffle reels on any base spin, but the real teeth are in the Fishing Respins Bonus – sticky fish, locked rows, and multiplier zones that unlock as you fill the grid. Bonus buy costs 80x your stake.

4 Fantastic Fish Gigablox
Provider 4ThePlayer
RTP 96.00%
Variance 5
Reels 6
Bonus buy Yes

Try this slot Free

No registration needed. Spin the reels, trigger the Giant Squid shuffle, land 3+ Scatters to see how the respins bonus locks and unlocks rows. Get a feel for sticky fish stacking before you bet real money.

Demo isn’t available for this game yet.

Provider 4ThePlayer
Game Type Slots
Series Fish
RTP 96
Volatility 5

Where to play this game

Mostbet Casino

Mostbet Casino

4.2 / 5 Mostbet Casino combines thousands of games, a full sportsbook and fiat /…
SlotsGem Casino

SlotsGem Casino

4.2 / 5 Slotsgem Casino operates under a Curaçao GCB license - delivering a massive…
Boomerang.bet Casino

Boomerang.bet Casino

4.1 / 5 Boomerang.bet operates as a hybrid gambling hub launched in 2023 - offering…

How It Pays – Base Game / Giant Squid

This slot runs on a 6×6 grid with fish symbols, boats (Wilds with no individual value), and Mystery Symbols that can flip into fish on certain spins. The base game is lean – most friction sits in the bonus – but the Giant Squid can drop in at random to shuffle the entire reel set into a new winning order. One spin, one modifier. Sharp tool when the wait feels long.

Fishing Respins Bonus – Locked Rows / Sticky Fish

Land 3 or more Scatter symbols and the bonus fires with 3 respins to start. Here’s the cage: the top and bottom rows lock immediately. Middle rows unlock only when a Scatter lands on them during the bonus round. Once unlocked, only blanks and fish symbols can land – no other clutter – and all fish are sticky, staying in place for every respin that follows.

Fill all positions on any unlocked reel and the Shark feature triggers. That reel’s empty slots become multiplier zones – each with a random value. Any fish that lands in a multiplier zone gets boosted by that value. The bonus runs until you exhaust your respins or the grid fills completely. No hard cap on respin resets if Scatters keep landing – the grid just keeps filling.

Bonus Buy / Costs

Feature Cost Effect
Fishing Respins Bonus 80x bet Start with 3 respins; 3+ Scatters already on grid

One buy option, one price. No ante variants, no tiered menu. Either you pay 80x your bet to skip the base game grind, or you hunt Scatters naturally. Base can feel flat – the bonus is where the slot grows teeth.

RTP / Volatility / Bet Range

The default RTP is 96%, a solid midline. Bets run from 0.1 to 80, giving you a wide spread from micro-stakes to high-roller spins. Max win caps at x2000 your bet, or 12,000 in absolute coin. Volatility sits at 5 – high friction, long dry spins between bonus triggers.

No Wilds / No Problem

Boats act as Wilds but carry no payout value of their own – they exist only to substitute. Mystery Symbols can flip into fish under certain modifiers, adding a thin layer of base-game variance. Neither mechanic is flashy, but they keep the reels from feeling completely static between bonus rounds.

Bonuses

  • 1xBet Welcome Bonus

    Welcome Bonus Package · Up to €1500 total across 4 deposits · 150 free spins across the package free spins

    Promo code
    Claim bonus
  • Slotoro Casino No Deposit Bonus

    No Deposit · 50 FS · 5x wager

    Risk-free registration bonus granting 50 spins. Ultra-low 5x rollover applies.

    Claim bonus
  • Slotoro Casino High Roller Bonus

    High Roller · up to €3000 · 30xb wager

    Heavyweight 100% match targeting large bankrolls. Requires a €300 entry and carries a reduced 30xb rollover.

    Claim bonus

Pros

  • Sticky fish in respins create genuine stacking potential - multiplier zones amplify payouts on filled reels.
  • Giant Squid shuffle on any base spin adds unpredictable momentum; can forge wins from dead spins.
  • Locked/unlock row system gives the bonus a puzzle-like structure - players chase Scatters to open new zones.
  • 96% RTP is honest midline; bonus buy at 80x is a fair shortcut for impatient players.
  • Gigablox mechanic (larger symbol blocks) scales the grid payouts without breaking the core respins logic.

Cons

  • Base game is thin - most spins feel like filler between bonus triggers; hit frequency can feel stretched.
  • Max win of x2000 is modest compared to modern high-volatility slots; ceiling feels low for the friction required.
  • Locked top/bottom rows can trap players early in respins if Scatters don't land on them - bonus can stall.
  • No wild symbols with independent value; boats are substitutes only, limiting base-game combo potential.

FAQ

What is the RTP and how does it compare to other slots?

this slot runs at a default 96% RTP, which is a solid industry midline. This means the slot returns 96 coins per 100 wagered over time. No alternative RTP tiers are offered - all players see the same 96% rate regardless of bet size or casino.

How much does the bonus buy cost and what do you get?

The Fishing Respins Bonus costs 80x your current bet. You skip the base game and enter the bonus with 3 respins already active and 3+ Scatters already on the grid, ready to unlock locked rows.

What happens when you fill a reel during the respins bonus?

Filling all positions on any unlocked reel triggers the Shark feature. That reel's empty slots become multiplier zones, each with a random value assigned. Any fish symbol that lands in one of these zones gets multiplied by that zone's value. The bonus continues until respins run out or the entire grid fills with fish.

Can the top and bottom rows be unlocked?

The top and bottom rows start locked and can only be unlocked when a Scatter symbol lands directly on them during the respins bonus. Once unlocked, they behave like any other reel row - fish stick, multipliers apply, and Shark zones form if the row fills.

What is the maximum win on this slot?

The maximum win is x2000 your bet. The x2000 cap is a hard ceiling - multiplier stacking in the bonus cannot exceed it.

Leave a Reply

Your email address will not be published. Required fields are marked *

Raymonds Ozols
Raymonds Ozols
Games Analyst

Raymonds has spent over a decade covering online casino games, focused on RTP verification, volatility models and the gap between how games are marketed and how they actually run. He covers crash games, instant formats and slot variance across EU and UK regulated markets — starting always from the certified RNG documentation, not the promo copy. He writes for 100slots.org and several other iGaming publications.

Reviewed by Marcus Reynolds – Senior Game Analyst

Editorial rating: 4.3/5

this slot is a respins grinder with genuine locked-row tension and sticky-fish stacking. The Giant Squid shuffle adds base-game spice, but most players will spend long dry stretches waiting for Scatter triggers. The x2000 max win feels modest for the volatility - a real ceiling, not a flex. Still, the Gigablox mechanic and multiplier zones give the bonus real teeth once it fires.

Responsible Gaming & Licenses

This is an independent review hub, not a casino or betting operator. We only list operators that hold a valid licence and comply with Irish gambling regulations. Always check that an operator is authorised before depositing. Use responsible gaming tools: deposit limits, self-exclusion, cooling-off periods, and session time reminders.

18+ 18+ only. Gambling is entertainment, not a source of income. Set a budget before you play, never chase losses, and take regular breaks. If gambling is affecting your life, contact a support service: Problem Gambling Ireland or call the HSE Drug & Alcohol Helpline at 1800 459 459.

Affiliate Disclosure: This page contains affiliate links. If you register or deposit through them, we may receive a commission at no extra cost to you. Our recommendations are based on game quality, licensing status, and responsible gaming standards - not commission rates. Read our Terms & Conditions and Privacy Policy.

Regulatory Bodies & Resources

Slotoro Casino
Claim up to 2500$ + 250 free spins at Slotoro