Little Nightmares II is a suspense-adventure game in which you play as Mono, a young boy trapped in a world that has been distorted by the humming transmission of a distant tower. With Six, the girl in a yellow raincoat, as his guide, Mono sets out to discover the dark secrets of The Signal Tower and save Six from her terrible fate; but their journey will not be straightforward as Mono and Six will face a gallery of new threats from the terrible residents of this world.