

No, Pokémon Red and Green had a few things, like glitches and some rough mechanics, that needed fixing, and developer Game Freak made the fixes, releasing an “updated” version with the title Pokémon Blue later in 1996. … The pallet for Pokemon Green on a Game Boy Color was also different, matching the name of the game. Essentially they were the same game as the English Red and Blue, however there are a few differences. In 1996 Pokemon Red and Green were released in Japan and featured the Pokemon Charizard and Venusaur on the covers. To obtain Pokémon missing from your version you need to trade with someone who has the opposite version. Like all the paired games in the Pokémon series, FireRed & LeafGreen each include Pokémon that cannot be obtained in the alternate version.

There was little point in using Pokémon Red & Green, as they were the inferior versions of the game. Version-exclusive Pokémon in FireRed & LeafGreen. When it came time to localize the first Pokémon games for the international market, Game Freak decided to use the Japanese version of Pokémon Blue as the base to form the English language versions of Pokémon Red & Blue. Is Leaf Green a remake of blue? Why is Pokémon Blue instead of green?
