Ecco the Dolphin 1 with the Orca sprite from Ecco Jr. Replaces the actual Orcas with an unused turtle (tortoise) sprite that I found in the game. Made by me in 2004, using my private disassembly of the game, and custom software I wrote....

Official and rare - Ecco 1 (English) with checkpoints and other fixes from the Japanese version. Ecco 1 is considered a very difficult game. After the original version had been released, the developers continued to improve the code for the following releas...

Official Japanese version of Ecco 1 with checkpoints and other fixes. Ecco 1 is considered a very difficult game. When the original version was prepared for release in Japan, the game was revised. Several bugs were fixed, and the game was made quite a bit ...

The currently earliest known prototype version of Ecco: the Tides of Time, in a very unfinished state. You can enter the Debug Menu with Level Select by pausing while Ecco faces the screen (turn him around and press Start) and then pressing the C button 8 ...

A Prototype of Ecco: The Tides of Time from 13. April 1994. You can enter the Debug Menu with Level Select by pausing while Ecco faces the screen (turn him around and press Start) and then pressing the C button 8 times...

A Prototype of Ecco: The Tides of Time from 29. April 1994...

The official European version of Ecco: The Tides of Time. This version has 4 language options: English, German, French and Spanish...

This is the official Japanese release of Ecco: The Tides of Time, fully translated into Japanese language...