Great Blue Slot Review – Underwater Theme & Huge Payouts

This underwater-themed slot takes you to a beautiful ocean scene filled with colourful marine animals. The Playtech video slot is packed full of special features. For starters, any winning combinations including a wild symbol are doubled. Plus, the seashell bonus gives you a chance to pick your free spin and win multiplier combination. You can grab up to 33 free spins, or a 15x multiplier. Furthermore, you can gamble any line win for a shot at doubling your payout.

Great Blue
Welcome Package up to £500 + 10% Cashback
Full T&Cs apply. New customers only. Min deposit £20 max bonus amount £500. First deposit: 100% up to £200. Second deposit: 50% up to £300. Wagering 40x for each bonus. Game weighting applies. Cashback: 5% cashback on first and all other deposits during week 1, 10% cashback on all additional deposits taking place in week 2 only. Bonus betting limits: slots - $/£/€5 all other games – 10% of bonus amount.
 Slot Rating 4.70/5
Slot Great Blue
RTP 96.03%
Software Playtech
Max Bet £62.50
Free Spins Yes
Jackpot No
Paylines 5 Reels, 25 Paylines
Similar Slots God of the Sea, Crystal Waters
Play at
Bonus Welcome Package up to £500 + 10% Cashback
Payments Neteller, Bank Cheque
Release Date 15/06/2013

Great Blue Playtech Slot

Play Great Blue!

Last Updated on 17 Sep 2021 by Keira Miller

Great Blue Slot Review Summary

Great Blue is an online slot by Playtech with 96.03% RTP. It has 25 paylines on 5 reels, and it offers free spins, scatters, multipliers and wilds. Great Blue is available as a free demo or for real money with a £62.50 max bet. .

Best Great Blue Sites for 2022

  1. Mansion Casino (Best Great Blue Casino Site)
  2. Ladbrokes (Top-Rated UK Operator for New Players)
  3. Betfair (Wonderful Great Blue Casino for Mobile Play)
  4. William Hill (Top Casino Bonus for Great Blue Slot Players)
  5. (Best Slot Site for Great Blue Fans)

Brilliant Great Blue Online Casinos to Play for Real Money

Top Playtech CasinosWelcome BonusFree SpinsAll GamesPayoutRatingSecure Link
£500 + 10% Cashbackn/a84997.25%
5.00 ★ out of 5
play.mansioncasino.comFull T&Cs apply. New customers only. Min deposit £20 max bonus amount £500. First deposit: 100% up to £200. Second deposit: 50% up to £300. Wagering 40x for each bonus. Game weighting applies. Cashback: 5% cashback on first and all other deposits during week 1, 10% cashback on all additional deposits taking place in week 2 only. Bonus betting limits: slots - $/£/€5 all other games – 10% of bonus amount.
£50 When You Stake £10n/a30096.11%
4.95 ★ out of 5 T&Cs apply. 18+. New players only. Min bet €10 on qualifying games. 40x wager reqs (bonus only) on selected games. Bonus valid for 30 days. Certain deposit types excluded. Bets covering >70% of Roulette table excluded. Contributions to wagering reqs vary by game.
4.90 ★ out of 5
betfair.comFull T&Cs apply. Minimum deposit of £10, x45 wagering, Roulette and blackjack 50% weighting. Bonus Valid for 7 days. Not available to customers using Moneybookers/Skrill or Neteller as a payment method.
Deposit £10 Get £505044596.05%
4.85 ★ out of 5 T&Cs apply. 18+. Play Safe. New UK customers only. Opt in required. 1x per customer. Min £10 stake. Max £50 Bonus. 40x wagering requirement. Bonus expires 72 hours from issue. Selected slots only. Eligibility rules, location, currency restrictions and stake contributions apply.
£100 + 10% Cashback20026996.33%
4.80 ★ out of 5 T&Cs apply. New customers. 20 Spins for selected AOTG slots credited on reg, 180 (20 per day) following first deposit. Spins valid for 24 hours, exp in 30 days. Winnings credited as bonus funds with 20x wagering, max win £100. Min £20 dep for bonus funds. 40x wagering, game weighting/restrictions, betting limits. Casino-only bonus. Not Available on iOS app. Payment restrictions.

Play Great Blue for Free

Before we delve into the details of the game, would you like to try it out first? Below you will find a demo version of Great Blue, which you can play for free. This is the best way to get to grips with the theme, the rules and the features. You will quickly be able to decide whether this is the type of game that you will enjoy. If you like what you see, then read on for a complete overview of the rules.

Play Great Blue for Free
Instant play

Want to play for real money? Then Labrokes Casino is the place to be. This is a respected and trustworthy operator. You can play safely in the knowledge that you will be protected. Ladbrokes offers a rich selection of slots and other casino games powered by Playtech. You can access instant-play web-based games or download the casino software onto your PC. There is also a solid mobile app available. Furthermore, the operator offers a generous welcome bonus for new players and regular promotions and loyalty rewards for existing players.

An Overview of the Rules, Settings and Options

This video slot has 5 reels, 3 rows and 25 paylines. The underwater adventure theme is captured with relevant symbols and a blue, watery backdrop. The music is upbeat and has a Caribbean feel to it. If you enjoy fast gameplay, then you will be pleased to discover that the game includes both autoplay and turbo mode options. During turbo mode, some win animations and sounds are skipped, and the reels spin faster. The game includes a gamble feature. You can take a 50/50 shot at doubling your payout by correctly guessing whether the next card revealed will be red or black. The game also includes the seashells bonus, which includes a pick me bonus and free spins with win multipliers.

Symbols and Payouts

The game includes a variety of underwater themed symbols. The orca is the highest valued symbol, with a payout of x10,000 for 5 on a payline. It is also the wild symbol and substitutes for all others except the scatter. When a wild is included in a winning symbol combination, the payout is doubled. Other high valued symbols include a shark, turtle, seahorse, starfish and clownfish. The lower valued symbols are A – 9, which have air bubbles rising off them, in keeping with the underwater theme. The pink oyster holding a pearl is the scatter symbol. It pays a multiple of your total bet when 2 or more land anywhere on the reels. Plus, get 3 scatters to trigger the seashell bonus.

Great Blue Paytable
  • Wild Substitutions Pay x2
  • Free Spins
  • Wide Betting Range
  • Gamble Feature
  • Scatter Pays
  • Mobile Friendly
  • No Progressive Jackpot
  • Simplistic Graphics

You can play this slot with between 1 and 25 paylines active. To get to the most engaging and entertaining playing experience, it is advisable to play with all lines active. You can adjust the line bet and the coin value to suit your budget. With all 25 lines in play, the minimum bet per spin is just 25p, and the maximum is £62.50. This will suit most players, although it may be a little restrictive for the most experienced high rollers. The maximum win in the game is 500,000 coins.

The Sea Shells Bonus – Free Spins with Multipliers

The key feature of the game is the seashells bonus. This is triggered when 3 or more scatter symbols land on the reels. You automatically get 8 free spins with a 2x multiplier. Yet, before they start, you enter the bonus game. Here, you pick 2 shells from the 5 displayed to reveal additional free spins and/or win multipliers. You can win up to 33 free spins or up to a 15x multiplier. If you get another 3 scatters on the reels during the free spins, you are rewarded with an additional 15 free spins. There is no limit placed on the number of free spin re-triggers you can get.

Although the free spins bonus is a highlight of the game, it is not regularly triggered. Yet once you do launch the bonus, it can be very rewarding. With up to 33 free spins or up to a 15x multiplier, you can stack up some big wins during the bonus. Plus, with a chance to re-trigger the bonus numerous times, you can get plenty of free spins to help amass some impressive payouts.

Great Blue Mobile

This is one of Playtech’s most popular slots, and as such, it comes as no surprise that a mobile version is available. The layout has been simplified to provide the optimum view of the reels, ensuring that it is as engaging and immersive as the desktop version. Options to adjust the line bet, the number of paylines and other options are found in a separate submenu, which can be accessed with a simple tap of your finger. This keeps the layout clutter-free and allows the reels to take centre stage.

Welcome Package up to £500 + 10% Cashback
  • Superb Game Selection
  • Many Payment Options
  • Generous Bonus
Full T&Cs apply. New customers only. Min deposit £20 max bonus amount £500. First deposit: 100% up to £200. Second deposit: 50% up to £300. Wagering 40x for each bonus. Game weighting applies. Cashback: 5% cashback on first and all other deposits during week 1, 10% cashback on all additional deposits taking place in week 2 only. Bonus betting limits: slots - $/£/€5 all other games – 10% of bonus amount.

Our recommended mobile casino is compatible with both iOS and Android devices, so you will be able to enjoy the Great Blue slot anywhere you go on any modern portable device. Keep in mind that a stable internet connection is required if you want to experience the game on the go to the fullest.

Great Blue Reviewer Opinion

Personally, I found the Great Blue slot quite fun to play even though that it has been on the market since 2013. Sure, the graphics cannot compete with those of the latest Playtech games, but they are adorable and whimsical, at least in my opinion. Plus, I got very lucky and scored some great rewards thanks to the special features. Overall, Great Blue is a fantastic slot machine by Playtech that has stood the test of time.

A Fun Slot with Rewarding Features

There is no doubting that this slot is fun to play. Whilst the graphics are not the most detailed you will find in an online slot; they are nonetheless colourful, cartoonlike and cute. The wild symbol doubles payouts when it substitutes in a line win, making for some big boosted payouts. The shell bonus is an enjoyable part of the game. Pick wisely, and you could amass plenty of free spins and multipliers, leading to some big wins. If you like the fun theme and free spins in this game, then check out these other recommended slots.

Powered by:
Play at:
Powered by:
Play at:
Powered by:
Play at:

This slot has proved highly successful, with players coming back to it time and again. This is thanks to the fun theme, entertaining gameplay and rewarding special features. It includes everything you could ask from an online slot; wild substitutions, win multipliers, free spins, scatter pays and more. You should now be completely prepared to play Great Blue with real money confidently. So don’t forget to check out Ladbrokes Casino, our top pick.

Frequently Asked Questions

We hope that our Great Blue slot review has helped you decide if this is the right game for you. However, we understand if you happen to have any additional questions on the topic. This is why we have answered the most popular questions about the Playtech game down below.

✅ Where can I play Great Blue?

Playtech launched the Great Blue slot in 2013, and the game has been a preferred choice for many players ever since. Hence, you can find this slot machine at many online operators, but not all of them are trustworthy. So, we strongly recommend you play at fully licensed gambling sites, such as the top Great Blue casinos.

❓ What is the Great Blue RTP rate?

The Great Blue slot has 96.03% RTP which is a pretty nice percentage. Moreover, this Playtech slot machine also offers a variety of rewarding special features. Players can take advantage of free spins, multipliers, wide betting range, and huge Great Blue payouts.

🎁 Does Great Blue come with a special bonus round?

You can enjoy the Great Blue free spins bonus round which could bring you nice rewards once triggered. The so-called seashells bonus is triggered when 3 or more scatter symbols land on the reels, and you automatically get 8 free spins and a 2x multiplier.

⭐ What are the best Great Blue casinos?

Years after its release, the Great Blue is still popular because of its huge potential payouts and fun gameplay. Therefore, you can find it at many top-rated Great Blue online casino sites. All of our recommendations are safe to play at and offer great bonuses.

💻 What is the Great Blue software developer?

You will be happy to learn that Playtech created the Great Blue slot machine back in 2013. This leading software provider is one of the biggest gaming suppliers worldwide. Some of Playtech's most popular creations include the Age of the Gods franchise and the Gladiator, among many others.

More Slot Articles

Latest Slot News

Our Software Reviews

Are you looking to learn more about the fascinating online gambling industry? Do you enjoy reading all the latest gaming news? If the answer to those questions is yes, then we encourage you to check out some of our best reviews below.

Load More Reviews
Open Special Offers
6x (500%) More Chips on 1st Purchase
18+ Winstar Social Casino does not offer “real money gambling” or an opportunity to win real money or prizes. It is intended for an adult audience and entertainment purposes only. Due to this app’s authentic nature, all users are required to be 18 years or older to play. By downloading the app, you agree you are at least 18 years old and comply with all local laws pertaining to social gaming. Practice or success at social casino gambling does not imply future success at “real money gambling".