From Square: In Final Fantasy XI, gamers will become immersed in an expansive, original storyline as they go on missions and build their character's skills and attributes, either alone or with other members of the community, ultimately creating the history of Vana'diel. The world of Vana'diel is made up of vast, never-ending environments with more than 100 areas to explore including mountains, forests, ice plains, deserts, oceans, rivers, castles and dungeons.