Play Ecco the Dolphin emulator game online in the highest quality available. Ecco the Dolphin is a Sega Game Gear game that you can enjoy on Play Emulator. This Game Gear game is the US English version that works in all modern web browsers without downloading. Ecco the Dolphin is part of the Adventure Games, Action Games, and Ecco Games you can play here. PlayEmulator has many online retro games available including related games like Ecco, Ecco II: The Tides of Time, and ECCO Jr.