This page contains Ecco The Dolphin 2 Codes for Gamegear called "Cheat Mode" and has been posted or updated on Aug 25, 2006 by guitarhaloplaya. Let us know what you think of this Code by thumbs voting.
Press Start during game play to view the sonar screen. While you are in the sonar screen press Left, 1, 2, 1, 2, Down, 2, Up to display a new menu with cheat options including invincibility.
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