Sega Mega Drive: Cheats and Tips
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All Games

Super Sonar and Unlimited Air
Enter 'SHARKFIN' as a password to remove the need to get air, and to allow your sonar to kill some enemies.

Unlimited Lives
Enter 'NIHPLODS' as a password to have unlimited lives.

Above are all the Ecco the Dolphin cheats, codes, tips, hints, secrets and walkthoughs that are currently in the Cheat Chest database. Because we do not have every game for Sega Mega Drive, Cheat Chest unfortunately can not guarantee that each Ecco the Dolphin cheat we have works. If any of the cheat codes above is incorrect, please rate the Ecco the Dolphin cheats at our partner site Neon Gaming, as enough bad ratings will automatically remove the cheat from our database.