Delve deeper into the world of root with the Underworld Expansion, which adds two new factions and a new board. Play as the: Underground Duchy – Sway your ministers to lead a righteous expedition to the Woodland, bringing order to the unending war and chaos above. Corvid Conspiracy – Use cunning and trickery to hold the Woodland hostage, instigating plots to seize control through terror. Play on the: Mountain Map – Trek across outcroppings, clear blocked routes, and hold the mountain pass to show you are an effective leader. Lake Map – Whisk yourself across the map by travelling on the ferry, meeting new friends and allies along the way. Base game of Root required. 2–6 players (with expansion) 14+ 90–120 min.