Digimon D-3 is a bootleg game of Game Boy Color released in 2001.
Overview
The character starts Agumon evolved into Greymon (similar of Cubone and Marowak).
The sprite are Unown and wheel.
The song is similar of Ecruteak City and Wacky Races.
The sound effect of Pokémon Gold, Silver and Crystal of Potion restored.