Rediscover a classic adventure in the latest trailer for Secret Files: Tunguska โ 20th Anniversary Remaster. The updated version of the beloved 2006 point-and-click adventure features expanded locations, redesigned character models, enhanced visual effects, improved animations, and a host of modern upgrades. Step back into the role of Nina Kalenkow and unravel the legendary Tunguska mystery when Secret Files: Tunguska โ 20th Anniversary Remaster launches on PC.