Pokémon Ruby Version, Sapphire Version, and Emerald Version - Battle Modes
In the Ruby and Sapphire version, three battle modes are supported:
- Single Battle - For two players, each with one to six Pokémon. Each side can have a single Pokémon in battle at a time.
- Double Battle - For two players, each with one to six Pokémon. Each side can have up to two Pokémon in battle at a time.
- Multi Battle - For four players, each with one to six Pokémon. Each side can have up to two Pokémon in battle at a time, each controlled by a different player.
In the Union Room, a Single Battle mode, where each player has two Pokémon of level 30 or lower, is supported.