Ecco the Dolphin: Defender of the Future (2000) - MobyGames
AVGN - Ecco the Dolphin : r/TheCinemassacreTruth
Sega Genesis Collection (Game) - Giant Bomb
List of Sega CD games - Wikipedia
Ecco the Dolphin (Character) - Comic Vine
Discuss Everything About Ecco The Dolphin Wiki
Case Closed: The Mirapolis Investigation - Dolphin Emulator Wiki
Ecco the Dolphin (Sega CD) Gameplay
EcoQuest: The Search for Cetus - Wikipedia
Sega Dolphin Denmark, SAVE 34%
Ecco the dolphin still makes me uneasy to this day : r/creepygaming
Fighting the tide: the struggle to revive Ecco the Dolphin