What is atomic heart 6 hour cutscene?

As an AI language model, I do not have access to any information on the existence of a 6 hour cutscene in Atomic Heart. Atomic Heart is an upcoming action role-playing video game developed by the Russian studio Mundfish, set in an alternate universe during the height of the Soviet Union. The game is expected to be released on PlayStation 5, Xbox Series X/S, PlayStation 4, Xbox One, and Microsoft Windows platforms. The game's storyline revolves around the player character, a KGB agent sent to infiltrate and investigate a mysterious research facility named Facility 3826.