Along with Pokémon that debuted in Ruby and Sapphire, the game incorporated Pokémon from Pokémon Gold and Silver not featured in Ruby and Sapphire in the post-game. As with previous games, the player's general goal is to traverse the Hoenn region and conquer a series of eight Pokémon gyms in order to challenge the Elite Four and its champion, while the main subplot is to defeat two criminal organizations attempting to harness a legendary Pokémon's power for their own goals.

The gameplay and controls are mostly unchanged from previous games in the series players control a Pokémon trainer from an overhead perspective. It is an enhanced version of Pokémon Ruby Version and Pokémon Sapphire Version and is part of the third generation of the Pokémon video game series. It was first released in Japan on September 16, 2004, and was later released in North America, Australia, and Europe. Pokémon Emerald Version, most commonly referred to as simply Pokémon Emerald, is a role-playing video game developed by Game Freak, published by The Pokémon Company and Nintendo for the Game Boy Advance.

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