The Great Blue video slot is a classic and very popular slot game by Playtech, themed around killer whales or orcas.

The game is enjoyable enough, mainly due to its high variance; it has a free spins game with up to 33 free spins or a 15x multiplier, stacked wilds and a maximum win of 150,000 coins!

Great Blue was released back in 2009, and a mobile version came out in 2013. To this day it is one of Playtech’s most played slots.

The theoretical payout (RTP) of Great Blue is 96.03%, which is decent enough for a high variance slot.

Great Blue gameplay and paytable

The game is played on a 3×5 reel set with 25 paylines, which means the playing experience is something many players will already be familiar with, and the game plays like a classic slot.

The high-paying symbols are infrequent on the reels, but they pay well, so whenever they form a winning payline on your board you’ll get a solid win. This game doesn’t bore you with minimal wins; whenever you win, it will mean something.

The game has six low-paying card symbols which are very frequent on your reels. Sea Star and Sea Horse are the next two symbols that pay a bit better, and there’s a Yellow Fish as the medium symbol. The Sea Turtle and Shark are the best-paying normal symbols, and the Orca is a stacked wild, and the best paying symbol overall.

The wild also doubles all wins, so this will significantly improve the already good paytable.

The Pearl Oyster is the Scatter symbol and triggers the lucrative free spins bonus.

Great Blue free spins bonus

When you get three Pearl Oyster Scatters you’ll trigger the free spins game and will get 8 free spins with 2x multiplier as the base value. Before the feature begins, you’ll get to pick 2 out of 5 Sea Shells on the screen, and will get up to 33 free spins or up to 15x multiplier (not both at the same time).

During the feature, three or more Scatters will give you 15 more free spins played under the same multiplier as the previous spins. More free spins can be won during the free spins game infinitely.

Of course, the best thing that can happen to you here is to get a 15x multiplier. And this would be the maximum win possible in the game – five Wilds that pay 10,000 coins with a 15x multiplier for a total of 150,000 coins.

The free spins game can be very rewarding if you’re lucky with the Sea Shells and if you happen to land a big win with a good multiplier.

CasinoWizard’s verdict: 3 out of 5 stars

Great Blue is a classic slot game that doesn’t do anything spectacular during the base game, except that the Wild doubles all win, and the slot only begins to shine during the gratifying free spins game.

It’s not that you’ll win every time – you won’t – but the multipliers are giving you a chance to win big.

CasinoWizard usually won’t touch the ocean with a 10-foot pole – too many creatures lurking in the dark – but will make an exception for Great Blue.

Not only are Killer Whales not known for ever attacking people, but these orcas can also make you vast amounts of money, as well.

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