Little Nightmares II is a puzzle-platform horror adventure game developed by Tarsier Studios, published by Bandai Namco Entertainment. It is the prequel to 2017's Little Nightmares. The story, which precedes the events of the first game, follows Mono, who must work together with Six, the protagonist from the previous game, to survive the horrors of the Pale City and discover its dark secrets. The game was released for Google Stadia, Nintendo Switch, PlayStation 4, Windows and Xbox One on 11 February 2021. An upgraded version, titled Little Nightmares II: Enhanced Edition, was developed by Supermassive Games and released on 25 August 2021 for PlayStation 5, Windows and Xbox Series X/S.