High Quality Content by WIKIPEDIA articles! Ecco: The Tides of Time, developed by Novotrade International and released 1994, is the second game in the Ecco the Dolphin series, a sequel to Ecco the Dolphin for the Sega Mega Drive, Game Gear, and Mega-CD. The Tides of Time continued the story of the first game and featured similar gameplay with a few new additions.