Ecco the Dolphin

Nintendo Switch Online title.

Ecco the Dolphin is an action-adventure game originally developed by Novotrade International for the Mega Drive, and published by Sega in 1992. The game's designer is Ed Annunziata. It is the first installment in the Ecco the Dolphin video game franchise.

The player character, Ecco, is a bottlenose dolphin who travels through time to combat hostile extraterrestrials in Earth's oceans and on an alien spacecraft.

Ecco the Dolphin was republished digitally via Nintendo's Virtual Console in 2006, Microsoft's Xbox Live Arcade, Steam, and the iOS App Store.