Ecco the Dolphin: all version differences
6 documented differences between the releases of Ecco the Dolphin, each with a source. Back to the main page for names, releases and where to play.
Category × version
| Category | Mega Drive (JP) | Sega CD | Game Gear | Master System | 3DS |
|---|---|---|---|---|---|
| Difficulty | 1 | 0 | 0 | 0 | 0 |
| Content | 1 | 1 | 1 | 1 | 0 |
| Text | 1 | 0 | 0 | 0 | 0 |
| Gameplay | 0 | 0 | 0 | 0 | 1 |
Version differences
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DifficultyMega Drive (JP)
The later Japanese Mega Drive release is easier: it fixes bugs, improves a hint, adds checkpoint glyphs and has fewer enemies, which no longer respawn by default, and its Vortex Queen goes down after 8 hits instead of 12.1
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ContentMega Drive (JP)
The Japanese version adds two levels, Open Ocean 2 and The Stomach (reached when the Vortex Queen swallows Ecco), three save glyphs in Welcome to the Machine and three exclusive music tracks.1
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TextMega Drive (JP)
In the Japanese version, pausing shows PAUSE and slows the music to a stop, the menu labels the password and new-game options, and Japanese messages appear before the credits.1
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ContentSega CD
The Sega CD version adds new and redesigned levels and a Red Book audio soundtrack composed by Spencer Nilsen.2
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ContentGame GearMaster System
The 8-bit versions have different levels, and the Game Gear version also has its own soundtrack by Csaba Gigor and Gábor Foltán.2
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Gameplay3DS
The 3D Classics version on 3DS lets players choose between the Japanese and international versions and adds a Super Dolphin Mode with invincibility and unlimited air.2
Sources
Checked: 2026-10-13