SLOT GAME
Great Blue Jackpot slot game

Great Blue Jackpot

Reviewed by Casino Slots Editorial TeamUpdated Aug 25, 2026

Game Parameters

StudioPlaytech
Verified RTP95.02%
VolatilityLow
Release Date2018
Grid5 × 3
Pay MechanicLeft to right, matching symbols on paylines
Bonus BuyNo
Game TypeVideo Slots
Min Bet0.01
Max Bet2.5
GUIDE

Game Guide

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GAME INTRODUCTION

About Great Blue Jackpot

Great Blue Jackpot immerses players in an aquatic adventure, set deep within the ocean. The visual design features a vibrant blue backdrop, teeming with various marine creatures that serve as symbols. Art direction emphasizes a classic slot aesthetic with clear, distinct symbols and animations that evoke the mysteries of the deep sea. Developed by Playtech, this game builds upon a popular theme, enhancing it with the added excitement of a progressive jackpot, aiming to deliver both nostalgic charm and modern win potential.

Game Highlights

  • Engaging underwater theme with familiar marine symbols.
  • Opportunity to win a progressive jackpot randomly.
  • Includes a Free Games feature with multipliers and re-triggers.
  • Offers a balance of classic slot mechanics with modern bonus potential.
GAME DATA

RTP & Betting Snapshot

See what this RTP figure means across simple ₱10-per-spin theoretical wagering examples.

Verified RTP95.02%
Theoretical House Edge4.98%
Example Bet₱10 / spin
SpinsTotal WageredTheoretical ReturnTheoretical House Edge
100₱1,000₱950₱50
500₱5,000₱4,751₱249
1,000₱10,000₱9,502₱498

Important: Theoretical return is a long-run mathematical estimate, not a prediction of your actual result after 100, 500, or 1,000 spins. RTP does not tell you when a win, bonus, jackpot or maximum win will occur.

GAME GUIDE

Gameplay, Features & Editorial Guide

FEATURES

Core Features

5x3 Reel Layout

The game is played on a standard 5-reel, 3-row grid, providing a familiar setup for symbol combinations across 25 adjustable paylines.

Wild Symbol

The Orca symbol acts as the Wild, substituting for all other symbols except the Scatter to help form winning combinations. Wins involving a Wild are typically doubled.

Scatter Symbol

The Clam with a Pearl symbol is the Scatter. Landing three or more Scatters triggers the Free Games bonus round, offering free spins and multipliers.

Progressive Jackpot

A multi-tiered progressive jackpot can be randomly activated during any spin, giving players a chance to win one of four jackpot prizes: Fish, Turtle, Shark, or Whale.

HOW IT PLAYS

Gameplay & Mechanics

  1. 1

    Set Your Bet

    Adjust your coin value and the number of active paylines to determine your total stake per spin.

  2. 2

    Form Winning Combinations

    Match three or more identical symbols on an active payline, starting from the leftmost reel, to secure a win.

  3. 3

    Trigger Bonus Features

    Land three or more Scatter symbols to activate the Free Games, or randomly trigger the progressive jackpot game.

SYMBOLS

Symbols & Payout Roles

OrcaWild symbol, substitutes for others and doubles wins.
Clam with PearlScatter symbol, triggers the Free Games feature.
SharkHigh-paying symbol.
TurtleHigh-paying symbol.
FishMid-paying symbol.
SeahorseMid-paying symbol.
StarfishMid-paying symbol.
A, K, Q, J, 10, 9Low-paying symbols.
REWARDS

Bonus Features

Free Games

Landing three or more Clam with Pearl Scatter symbols triggers this bonus. Players choose two out of six clams to reveal a combination of free spins (up to 33) and multipliers (up to x15). Additional Scatters during the feature award 8 more free spins.

Great Blue Jackpot Game

This progressive jackpot can be triggered randomly on any spin. Players are presented with a grid of 20 coins and must pick them to reveal jackpot symbols. Matching three identical jackpot symbols awards the corresponding Fish, Turtle, Shark, or Whale jackpot prize.

Pros

  • Classic underwater theme with clear visuals.
  • Engaging Free Games feature with choice-based bonuses.
  • Opportunity to win a progressive jackpot on any spin.
  • Wild symbol doubles wins, enhancing base game payouts.

Cons

  • High volatility may lead to less frequent wins.
  • RTP of 95.02% is slightly below the industry average.
  • Visuals, while classic, might not appeal to players seeking modern graphics.
  • Some official mechanic details may be unavailable.

Best For

  • Players who enjoy classic slot mechanics with a clear theme.
  • Those seeking the thrill of a progressive jackpot.
  • Players who appreciate bonus rounds with interactive elements like choosing prizes.
  • Individuals comfortable with high volatility gameplay.
PLAYER NOTES

What to Know Before Playing

These notes explain verified game characteristics and responsible play considerations. They do not change the game RTP or guarantee a result.

Low Budget

Start with smaller bets and fewer active paylines to extend playtime and maximize chances of triggering the progressive jackpot, which can activate regardless of bet size.

Balanced Play

Maintain a moderate bet size across all 25 paylines. This approach balances the potential for regular wins with the opportunity to trigger the Free Games feature and progressive jackpot.

High Budget

Consider higher bets per spin, as this can potentially lead to larger payouts during base game wins and within the Free Games feature, while still being eligible for the progressive jackpot.

EDITORIAL VERDICT

Is This Slot Worth Playing?

Who Should Play

  • Players who enjoy high volatility slots and the excitement of chasing a progressive jackpot.
  • Fans of classic underwater themes and straightforward gameplay mechanics.
  • Those who appreciate bonus rounds with interactive choices and re-trigger potential.

Who Should Skip

  • Players who prefer low volatility slots with more frequent, smaller wins.
  • Individuals looking for highly complex bonus features or cutting-edge graphics.
  • Those sensitive to an RTP that is slightly below the industry average.

Final Verdict

Great Blue Jackpot offers a compelling blend of traditional slot action and the allure of a progressive jackpot. Its high volatility and engaging Free Games feature make it a worthwhile dive for players seeking significant win potential within a classic marine setting.

QUESTIONS

Great Blue Jackpot FAQ

What is the theme of Great Blue Jackpot?

Great Blue Jackpot features an immersive underwater theme, showcasing various marine creatures and ocean depths. The visual design aims to transport players into a vibrant aquatic world.

Does Great Blue Jackpot offer a free spins feature?

Yes, the game includes a Free Games feature. This bonus round is triggered by landing three or more Scatter symbols, awarding an initial set of free spins and a multiplier, with opportunities for re-triggers.

How do I trigger the jackpot in Great Blue Jackpot?

The Great Blue Jackpot is a progressive jackpot that can be won randomly during any spin. There is no specific symbol combination required; the jackpot game can activate at any moment, regardless of the bet size.

Can I play Great Blue Jackpot on mobile devices?

Great Blue Jackpot is designed to be compatible with various devices, including smartphones and tablets. Players can typically access the game directly through a web browser without needing to download a dedicated app.

What information is available about Great Blue Jackpot?

This page combines verified source data with clearly labelled editorial guidance. Unsupported facts are left unavailable rather than estimated.

21+ · Play responsibly. Gambling involves financial risk.

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