The plot unfolds inside the huge complex of the OPEN DOOR organization, which uses people for biotechnical purposes, due to which people began to disappear inside the organization, these disappearances are accompanied by paranormal events, in which the main character has to find out what happened and how he got to this place. The game has classic mechanics such as — solving puzzles, finding items, combining some items with others, as well as finding passages and keys. The game also has a stealth mechanic. First, it is a game about walking, finding objects and revealing the plot during the game, as well as solving puzzles. Secondly, there are screamers, but there are not so many of them.