Ecco the Dolphin (series)

Ecco the Dolphin is a series of action & adventure video games developed by SEGA. The series consists of 4 released games, and a cancelled instalment:


 * Ecco the Dolphin
 * Ecco: The Tides of Time
 * Ecco Jr.
 * Ecco the Dolphin: Defender of the Future
 * Ecco the Dolphin 2: Sentinels of the Universe (cancelled)