Summary: In Blackstone Fortress, you and your friends take on the role of a group of disparate explorers delving into the labyrinthine halls of a vast and ancient space station. Only by working together and balancing your strength and skills can you hope to survive. With each expedition, you will learn more of the Blackstone Fortress’ closely guarded secrets, including, the location of its greatest treasure. The game can be played solo, or with up to 4 friends. (boardgamegeek.com)