Historica Fantasia is a game set in a fantasy world with a pseudo-Industrial Era setting. In the story, the assassination of the Emperor plunged the Siegeland Empire into a civil war. The player takes on the role of the Princess, who has been convicted of her father’s murder and must journey across the land to claim the throne and end the war. The game features a campaign mode where the player must travel across the continent to achieve their goal. The combat system is based on tactical strategy, and the player can field up to 50 unique characters on the battlefield.