Tunguska is a region of Siberia where an actual catastrophe of some sort actually happened in 1908. No one is sure what really went down but there are theories of a meteor and conspiracy theories of aliens. Secret Files: Tunguska is a point and click adventure built around this premise.
An opening cinematic shows something falling from the sky and causing an explosion that devastates the area. IGN will be playing as Nina, whose father has gone missing after going to investigate the event. It will also be possible to switch to Nina's boyfriend, Max.