Players in Lost Wiki: Kozlovka investigate the history of a small Eastern European town plagued by generational deceit since the late 1800s, centered around the "Draken Oak" tree. The gameplay involves two cases: The Case of the Golden Idol and The Roottrees are Dead, requiring players to fill in reports and construct a family tree and timeline of the town's tragic history. The game critiques the nature of public information and the erasure of context, using a retro computer interface and a haunting soundtrack. As players progress, they uncover hidden secrets through reports and email exchanges with a client, leading to a captivating narrative experience. The game is available on Steam.