This is not a standalone game. A copy of Root is required to play. 

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.

Play as the 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.

Play on the Lake Map: Whisk yourself across the map by traveling on the ferry, meeting new friends and allies along the way.