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Emulation
This is EPROM 8, the earliest known Game Gear prototype of Ecco the Dolphin.
It is currently in the possession of EccoOnline.

About Our Prototypes

All of our prototypes were obtained from The Hidden Palace, a community whose purpose is to acquire and preserve video game development media. More information regarding our prototypes, including the history and a comparison to the final releases can be found there.

A few of the prototypes presented here were brought to you by monetary contributions from both EccoOnline and the Hidden Palace community. We look forward to future opportunities with the Hidden Palace and encourage all of our fans to show them support.

What You Need To Play

All of our rom images require an emulator with a corresponding bios image to play. You can find the Sega Fusion emulator with all the required bios images in the links below.

We highly recommend Sega Fusion, an emulator that supports the Mega Drive, Sega CD, 32X, Master System and Game Gear.

All of our larger files are compressed with 7-Zip. You can download 7-Zip at https://www.7-zip.org/.

Download All 32X BIOS and Download All Sega CD BIOS (US/EUR/JP)

Download Sega Fusion 3.64 Emulator with all BIOS Images

Go to the Official Sega Fusion Website

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Platform
Ecco the Dolphin - Sega CD
Ecco the Dolphin - Master System
Ecco the Dolphin - Game Gear