Underworld is a cooperative fantasy board game about establishing a colony in a newly discovered land that is hostile, dangerous and full of riches. The players will lead a band of rugged adventurers on perilous expeditions to explore the surrounding jungle, delve deep into ancient ruins and eventually descend into the darkest recesses of the earth - the Underworld. Deep in the heart of the jungle and hundreds of feet below the earth, they must contend with horrific foes and terrible afflictions in a violent and inhospitable place. The players must juggle the need to do damage with the importance of protecting the health and minds of their Adventurers. In this age of discovery, a fantastic new world lies before you with all its peril, promise and possibility!
—description from the publisher