Overview
Ecco Jr. and the Great Ocean Treasure Hunt!, known as Unou Kaihatsu Series 2 Ecco Jr (右脳開発シリーズ2 ＥＣＣＯ Ｊｒ) in Japan, is a video game for the Sega Pico based on the Ecco the Dolphin franchise.
The game is very similar to others in the series, though has an educational theme and is far more simplistic in nature.
