There were a variety of locations shown in the trailer for the game, which imply that the protagonists will be entering and exploring many new and heavily distinctly themed areas.

There are many extremely hostile beings that reside in the Nowhere and often attempt to capture, kill, or generally harm the protagonists, which provides a prominent element of survival to the gameplay and narrative of Little Nightmares III.

[8] In August 2023, Little Nightmares III was unveiled at Gamescom's Opening Night Live with an initial release window of 2024.

[10] Supermassive had prior experience on the Little Nightmares franchise for developing the enhanced PlayStation 5 and Xbox Series X/S ports of the previous game.

[4][5] A tie-in podcast series, titled "The Sounds of Nightmares", was also announced and released its first two episodes on Bandai Namco Europe's YouTube channel on August 22.