Are you looking for a free slot machine video game where can you win valuable prizes? Note that the Great Blue free slot does not need to be downloaded! Here you can win 33 free spins or get an X15 multiplier. Underwater design and curious sound effects will impress those who love the underwater world! It has 5 reels and 25 paylines. The game became so famous because the wild blue whale's wild symbol replaced the symbols other than Scatter. With this icon, any player can increase the chances of winning a good prize. In addition, there is a Scatter Sea Shell for activating bonus rounds. The scattered sea shell on the 3 reels will open a mini game for you. On this stage, you need to choose Sea Shells, which can bring you 15 free spins. The final reward for this round is 33 free spins. There is no doubt that you can compensate up to 100 times the bet.