Ecco Jr. is an educational adventure game for the Sega Genesis console and part of the Ecco the Dolphin series. Released in 1995, it targets a younger audience with a less difficult gameplay compared to its predecessors. Players control a young dolphin named Ecco Jr. and explore marine environments, solve puzzles, and learn about aquatic life. It's a side-scrolling game that emphasizes exploration and interaction over combat, fitting into the adventure and educational genre.