While some players might argue that this game is just overrated because it has been developed by Microgaming, we’d like to object this and say its massive winning opportunities, crisp graphics, cool animations, and straightforward gameplay is what makes it stand out from the rest. Various online free video slots that feature the underwater theme, yet very few can be compared with Microgaming’s Dolphin Quest video slot. The Best Free to Play Fish Slots Online Dolphin Quest Slot Machine