Pokémon Ruby is the third installment of the Pokémon series of role-playing games, developed by Game Freak and published by Nintendo for the Game Boy Advance.
The race to catch 'em all is on again in Pokémon Ruby. This entry in the Pokémon series features an all-new storyline, awesome new Pokémon, and addictive RPG gameplay. One of the biggest additions to Pokémon Ruby is the two-on-two battle system, which allows you to link up with three friends to battle competitively or cooperatively. You can also showcase your Pokémon's coolness, beauty, cuteness, smartness, and toughness in Pokémon contests. With new Pokémon, two-on-two battles, and an all-new region of Hoenn to explore, Pokémon Ruby takes the Pokémon experience to the next level.