Ecco The Dolphin ROM download is available to play for Sega Master System. This Ecco game is the US English version at EmulatorGames.net exclusively. Download Ecco The Dolphin ROM and use it with an emulator. Play online Sega Master game on desktop PC, mobile, and tablets in maximum quality. If you enjoy this free ROM on Emulator Games then you will also like similar titles ECCO and ECCO - The Tides Of Time.