女武神战纪都市怪谈 is a free mobile game available on iPhone that immerses players in a dark reimagining of classic fairy tales. Players assume the role of cursed Valkyries who have transformed into sinister versions of their former selves, featuring characters like Little Red Riding Hood and Snow White. The game incorporates a memory puzzle system where players collect seven dark Valkyries to uncover the twisted truths behind these fairy tale figures. With choices that impact multiple storylines, players must navigate a web of decisions that can alter the fate of both the fairy tale and Valkyrie narratives.

The game boasts a distinctive 2D aesthetic, with hand-drawn animations that enhance the eerie atmosphere. Players can interact with the environment using touch controls, leaving behind visual traces that reveal hidden animations upon repeated actions. The gameplay combines strategy and automation, allowing for a blend of offline growth and easy operation. The narrative is rich, with a focus on uncovering the connections between Nordic deities and dark fairy tales, making it an engaging experience for fans of the genre.