Pokémon: Emerald Version is the enhanced remake of Pokémon Ruby and Pokémon Sapphire. This makes Emerald part of the third-generation of Pokémon games. The game follows a slightly modified storyline from Ruby and Sapphire. This time, both Team Aqua and Team Magma are serving as villains, and you are able to catch both Groudon and Kyogre. The main story Pokémon in this game is Rayquaza, which is featured on the front of the cover. Pokémon Emerald was 2005’s second best-selling game in the United States, and was the best selling Game Boy Advance game in the U.S.