The story of Traysia follows Roy, a young man from the town of Johanna, as he sets out on a journey with his uncle, a travelling merchant. Longing for adventure and exploration, Roy seizes the opportunity to leave his hometown behind and discover new lands. However, his decision is motivated by more than just curiosity, as he is also driven by love for a young woman named Traysia.
Players take control of a party of characters, navigating through randomly encountered enemies in turn-based combat. The game features a unique battle system, where party members can attack or cast magic spells to defeat foes. Movement and strategy are key, as players must position their characters close enough to enemies to initiate attacks, while carefully directing magic spells to maximize damage.