Be ready for a wonderful adventure into the depths of the ocean! Great Blue is a video slot with an undersea world theme that is powered by Playtech software developer. This game is a 5-reels and 25 paylines video slot. Great Blue offers to its players scatters, wilds, free spins, multipliers, and bonuses. The game is playable from 25p a spin to £125 a spin. The lower value symbols are represented by the standard playing cards, while the higher value symbols are a starfish, a seahorse, a yellow fish, a turtle and a shark. The wild symbol is a blue whale.