The free demo version of Night's Night Three will be available for download a week before the game's release. Nippon One will release a Japanese version of the game on April 14, 2022 on the PlayStation Store and Nintendo eShop. The company noted on its official website that the demo will include tutorials and exclusive storylines for new game features and will not appear in the main game.
The exclusive storyline of the Night's Wednesday demo will take place at the school – one of the areas that will appear in the full game. However, it will tell a different story. The protagonist will sneak into a school with two friends at midnight. They wanted to verify the rumors circulating in the school. However, the protagonist will eventually drift apart, so it is necessary to explore the building alone with only a small lantern.
On the same day, Japan updated the guide for the entire Nightshade series. Now includes Night's Night III and its demo version. Japan One will strictly prohibit players from profiting from the game's video and live streaming, including on official platforms. Players are also cautioned not to spoil video titles and thumbnails.
The full version of Night's Night Three will be available on The Day Zone PlayStation 4 and Nintendo Switch on April 21, 2022.