Most gameplay takes place in dungeons. Controlling the protagonist, Vyse, from a third-person view, players must traverse and defeat these dungeons in order to advance the storyline. Dungeons comprise of a network of pathways with treasure chests, puzzles, and ubiquitous monsters. Completing the dungeons is usually a matter of exploring each of the possible pathways presented to the player until the correct one is found. Treasure chests are commonplace and contain some of the most powerful items in the game. Throughout the dungeon gameplay the player meets compulsory random encounters. If the entire player party is defeated, progress is reset to the beginning of the dungeon.
Travel between the numerous dungeons is accomplished by piloting an airship through the overworld, a three dimensional sky with massive floating rocks forming islands and continents. Some islands are completely uninhabited, while others are filled with towns and cities. All dungeons are located on these islands and continents. There are two exceptions to this, where a dungeon is traversed whilst piloting the airship. This form of dungeon contains floating spherical objects instead of treasure chests, and vortex-like tunnels in place of corridors and doors in one case, and a single series of tunnels in the other.
Text from Wikipedia.org