Arkham Horror: Machinations Through TimeNumber of Players: 1 2 This new standalone scenario gives us our first look at the city of Arkham in different time periods. Investigators must jump between the 1890s, the 1920s, and the 1950s as they try to solve a mystery of scientists disappearing throughout time. Machinations Through Time is the next in line of our special Gen Con scenario releases, similar to The Blob That Ate Everything and War of the Outer Gods. Like these two scenarios,