Pokémon Ultra Shiny Gold Sigma -

Pokémon Shiny Gold Sigma is a rom-hack of Pokemon FireRed by Alex Sanchez. Pokémon SGS takes place in the regions of Johto, Kanto, a bit of Hoenn, and the Orange Archipelgo. It's a remake of the second generation, Gold in particular. Shiny Gold Sigma includes Pokémon from gens 1-7.