Unseen Forces is an expansion for Elder Sign, the cooperative dice game for one to eight players set in the world of H.P. Lovecraft's weird fiction. Mysterious powers subtly grant blessings and level curses at your investigators. Master Mythos cards present horrifying new challenges for veteran players and Entrance Cards offer players new options and new locations to visit. Two custom dice along with new Ancient Ones, investigators, monsters and adventures await in Elder Sign: Unseen Forces.