Quest to the deep
Pixel art. About videogame Ariel - The Little Mermaid. For 8 bit system Sega Master System.
But this is my fantasy. Quest to the deep. Its own creatures are living in the ocean. Not only fish, but a mermaids also. Fantasy. This is also arcade. About underwater world it can be. If to make this game. By the way, not so many games are about underwater something.
Crystals were lost in underwater fantasy kingdom. Crystals make ocean to be calm. Because of crystals are lost, at the surface of the ocean storms are starting, big storms. Underwater hurricanes are start to happen. It is very necessary to keep oceans in balance using magic at the planet-ocean. And control the weather. This is a job for underwater creatures. Calm ocean - is a good place for everybody. And stormy - is full of danger.
Crystals were stolen by evil sorcerer. And he disappeared somewhere. And you go for a quest to deep of oceans, in search of crystals of calm. Sorcerer droped them in a different corners of the ocean. And they need to be back to their place.