Undying is a gripping role-playing game set in a post-apocalyptic world infested with zombies. Players take on the role of Anling, a mother infected by a zombie bite, who must navigate this hostile environment to protect her young son, Cody. The game emphasizes survival mechanics, where players must gather resources, find safe havens, and teach Cody essential skills to ensure his survival. The emotional stakes are high, as Anling's own time is limited, adding tension to every decision made throughout the gameplay.

The gameplay combines action and strategy, requiring players to balance exploration with the need to safeguard Cody. With its compelling narrative and immersive world, Undying challenges players to confront moral dilemmas while managing the resources necessary for survival. The game features a rich storyline, engaging character development, and a unique blend of combat and crafting elements, making it a standout title in the role-playing genre.