Great Blue - (Playtech) Slot Review | Best Slot Casino Games Online

The Great Blue slot is a popular game developed by Playtech, known for its engaging gameplay and potentially lucrative features. This underwater-themed slot offers players the chance to win big through free spins and a bonus game. Players can enjoy this slot at various online casinos that offer Playtech games, and it continues to be a favourite among slot enthusiasts.

Game Provider:


Release Date:

15 June 2013





Max Win:




History of Great Blue Slot Game

The Great Blue, a Playtech slots demo play game, was released in 2013 and quickly became one of the company’s most iconic and beloved titles. Its enduring popularity is a testament to Playtech’s expertise in creating engaging and rewarding slot experiences. 

Over the years, Great Blue has attracted a wide audience thanks to its high volatility and the potential for significant wins, particularly through its bonus features. The game is notable for its deep-sea theme, which was relatively unique at the time of its release, setting a precedent for immersive underwater-themed slots in the online casino world. 

Its success paved the way for subsequent aquatic-themed games, reinforcing Playtech’s reputation for innovative game design and thematic diversity.

Great Blue Slot Game Mechanics

Great Blue is a video slot that features 5 reels and 25 paylines, offering players numerous chances to win on each spin. The game mechanics are centred around a high volatility model, which means while wins may not occur on every spin, they can be quite substantial when they do happen. 

The betting range is broad, accommodating both low-stakes players and high rollers, with the ability to adjust bet sizes and paylines to suit individual preferences. 

Central to the game’s appeal is the Free Spins bonus round, which can be triggered by landing three or more scatter symbols anywhere on the reels. Initially, players are awarded 8 free spins with a 2x multiplier, but this can significantly increase through a pick-and-click bonus game before the free spins commence. 

Players can potentially win up to 33 free spins with up to a 15x multiplier, and the feature can be retriggered, offering the possibility of endless free spins. This potential for exponential win multipliers during the free spins round is a key attraction of the game.

Great Blue Slot Theme, Graphics, and Sounds

The theme of Great Blue is inspired by the beauty and mystery of the ocean depths, featuring a variety of sea creatures as symbols, including sharks, turtles, and fish, set against a deep blue oceanic backdrop. 

The graphics are crisp and visually appealing, with vibrant colours that bring the underwater world to life. Each symbol has been designed with attention to detail, contributing to the game’s overall aquatic atmosphere. 

The animations are smooth, enhancing the gameplay experience without being overly distracting. 

Sound design in Great Blue slot game free download is another highlight, with calming ocean sounds and bubble effects that immerse players in the tranquil yet mysterious underwater setting. The soundtrack complements the theme perfectly, with upbeat tunes during winning combinations and a more suspenseful music score during bonus rounds.

Great Blue Slot Symbols and Special Features

Great Blue, a Playtech slot game, is renowned for its engaging underwater theme, complemented by a variety of symbols and special features that enhance the gaming experience. Here’s an overview of the key symbols and their functionalities:

  • Wild Symbol (Killer Whale): The Wild symbol can substitute for any other symbol except the Scatter to form winning combinations. When it appears, it doubles the win, offering a higher payout potential.
  • Scatter Symbol (Sea Shell with Pearl): Landing three or more Scatter symbols anywhere on the reels triggers the Free Spins feature. 
  • High-Value Symbols: These include sea creatures like Sharks and Turtles, which offer higher payouts compared to other symbols.
  • Low-Value Symbols: Playing card symbols (A, K, Q, J, 10, and 9) represent the lower end of the paytable, offering smaller wins that can add up over time.

Great Blue Slot Games Bonus Features

The bonus features of Great Blue significantly contribute to its popularity, offering players exciting opportunities to increase their winnings:

  • Free Spins Bonus: Triggered by three or more Scatter symbols, initially awards 8 free spins with a 2x multiplier. Players can win additional free spins and multipliers by picking 2 out of 5 sea shells.
  • Gamble Feature: After any win, players have the option to gamble their winnings in a double-or-nothing bet, where guessing the correct colour of the next card can double their win.

Great Blue Slot Advantages and Disadvantages

Great Blue free slot game offers a compelling slot experience but, like any game, has its own set of pros and cons.


✅ Engaging Theme and Graphics: The underwater theme is well-executed with vibrant graphics and animations.

✅ Free Spins with Multipliers: The ability to retrigger free spins and increase multipliers offers the chance for substantial rewards during the bonus round.

✅ Wild Multipliers: Wild symbols not only help form winning combinations but also double the wins.


❌ No Progressive Jackpot: The lack of a progressive jackpot might be a drawback for those chasing life-changing wins.

❌ Limited Betting Options: Some players might find the betting range restrictive, especially high rollers looking for more significant betting opportunities.

How to Play Great Blue Online

Sign Up or Log In to BP9

Begin by creating an account on BP9 or log in if you’re an existing user. 


Deposit Funds

Ensure you have sufficient funds in your BP9 account to play.


Find the Great Blue Slot Game

Use the search bar or browse through the slots category to find the Great Blue game.


Set Your Bet

Before spinning the reels, adjust your bet size according to your budget.


Check the Paytable and Rules

Review the game’s paytable and rules before starting.


Play the Game

Press the spin button to start the game. 

How to Win Great Blue Slot Game

  • Understand the Paytable: Familiarise yourself with the paytable to know which symbols are the most valuable and how to trigger the bonus features like free spins and multipliers.
  • Bet Wisely: Adjust your bet size according to your budget. It’s often recommended to bet on all paylines to increase your chances of winning, but adjust the bet per line to manage your bankroll effectively.
  • Aim for the Free Spins: The Free Spins bonus is where you can achieve the highest wins, especially with the potential for multipliers. Triggering this feature should be a key goal.
  • Use the Gamble Feature Sparingly: The gamble feature allows you to double your winnings by guessing the colour of the next card. While it can increase your winnings, it can also lead to losses, so use it judiciously.
  • Play for Fun First: Try playing Great Blue in demo mode first. This allows you to understand the game mechanics without risking real money.



Yes, Great Blue slots offer a Free Spins feature. Initially, players are awarded 8 free spins with a 2x multiplier, and there’s a potential to increase both the number of free spins and the multiplier through a bonus game before the free spins commence.

Yes, you can play Great Blue slots for free. Many online casinos and gaming platforms that host Playtech games offer a demo or free play version of the game.

Yes, you can win real money while playing the Great Blue online slot, but you need to be playing the game at an online casino with real money bets.

Yes, Great Blue Slot is accessible on mobile phones. The game is developed using HTML5 technology, making it compatible with various devices, including smartphones and tablets.