An alien vessel has crashlanded in the land of arcadia bringing with it boss monster crash landing an out of this world expansion to the world of boss monster crash landing expands the dungeon building card game to 5 6 players and introduces a new set of science fiction themed bosses heroes spells and an all new treasure type the alien artifact will you play as one of the new alien bosses using technology and otherworldly monsters to lure in intrepid explorers and slay them