The story begins when a dolphin named Ecco is playing with his herd, at which point a friend challenges him to see how high he can bounce off the water. While Ecco was performing the tasks, a strange phenomenon happened that all the creatures in the bay disappeared including his flock. Leaving the bay he found many other dolphins, they said that he should find Big Blue, an old blue whale and know everything, from here Ecco’s journey also begins. As Ecco, it is your mission to discover the cause and rediscover your flock. In your adventure, you will have to overcome the pitfalls and confront other dangerous creatures, attack by speeding and bumping into enemies. In addition, you can also perform dolphins’ abilities such as shouting and creating echoes, it has many different effects such as opening a map or pushing some objects. Ecco’s abilities have also been upgraded during gameplay. One more thing you have to pay attention to the amount of oxygen shown on the corner of the screen because Ecco is a mammal so he must also breathe for a certain amount of time.