When ancient writings are discovered on a floating iceberg, an expedition is formed at Miskatonic University to investigate. What secret lurks on the sterile Greenland icecap? A grim finding in Canada leads investigators to delve into the folklore of the land. What living horror grows behind the sasquatch legend? The Compact Trail of Tsathoggua contains a mini-campaign in two scenarios, seeking for truth in the northern wastes. Tsathoggua's curse awaits the unwelcomed investigators of the occult and the unknown.