Pokémon Red and Green Versions
From Bulbapedia, the community-driven Pokémon encyclopedia.
Pokémon Green is a sister game to Pokémon Red, Pokémon Blue, and Pokémon Yellow.
Although Pokémon Green was never released outside of Japan, the English version of Pokémon Blue is based on the Japanese Pokémon Blue's engine and graphics, with the Japanese Pokémon Green's wild and trade Pokémon.
