"Nina Kalenkow's world is turned upside down when she learns that her father, the scientist Vladimir Kalenkow, has vanished without a trace. Since the police can't (or won't?) help, Nina decides to search for clues to her father's whereabouts on her own. On the way, she meets Max Gruber, one of her father's colleagues, who spontaneously offers the attractive young woman his help.
The trail leads Nina and Max to a mysterious disaster in the Tunguska region of Siberia in 1908, which Vladimir Kalenkow had been investigating. Does the disappearance of Nina's father have something to do with his previous expeditions to Siberia? The search for an answer leads the two heroes from Berlin around the globe and to the Antarctic, and it soon becomes clear that there are others who are also interested in Nina's father's secrets. After all, there's much more going on than the mere disappearance of and old man..."
Secret Files: Tunguska is a traditional adventure game with point-and-click interface. The game is driven by a strong storyline powered by the Tunguska phenomenon. The game combines classic 2D arts with animated 3D backgrounds and adds a cinematic feel with facial animation and known voice talents. The game features a line of state-of-the-art 3D graphics, including atmospheric weather effects, real time light and shadow effects and motion-captured-animated 3D figures.