Somewhere there is a place called the Endless Sea. There lives a giant whale named Big Blue.

To find Big Blue, you have to open the Crystal Doors called Glyphs. To open the Crystal Doors, you must satisfy their wish. Guide Ecco and his friends to swim through the ocean and find Big Blue.

© SEGA. SEGA is registered in the U.S. Patent and Trademark Office. SEGA, the SEGA logo and ECCO JR. are either registered trademarks or trademarks of SEGA Corporation. All rights reserved. ECCO THE DOLPHIN was originally created by Ed Annunsiata.