Oath is a single-player role-playing game with strategy and turn-based strategy elements, where players engage in tactical combat and decision-making to progress through the story. In this game, players take on the role of a protagonist who must take the Oath, overcome various Trials, and uncover the truth of the Heart within a richly crafted fantasy world. It stands out with its anime-inspired 2D art style, multiple endings based on player choices, and a focus on strategic turn-based gameplay that emphasizes thoughtful planning and character development.