Twin game of Pokemon Red. Blue and Red are the first installments of Pokémon RPG series. The GBA game "LeafGreen" is a remake. Red/Green/Yellow are the 1st Gen games for GameBoy. Gold/Silver/Crystal are the 2nd Gen games for the Gameboy /color. Ruby/Sapphire/Emerald. Game Boy Advance. From Bulbapedia, the community-driven Pokémon encyclopedia. Jump to: navigation, search. GBA redirects here. For the Golden Peripherals · Pokémon games · Special Pokémon editions · Trivia.