Murasaki Baby is a video game that tells the story of a little girl who wakes up in an unfamiliar world filled with strange creatures and surreal landscapes. She finds herself alone, holding onto a purple heart-shaped balloon as her only source of comfort. Feeling lost and homesick, the girl embarks on a journey to find her way back home to her mother. Along the way she must face her fears and overcome obstacles while interacting with various characters from this mysterious land.