Abstract Cyan is the developer of the Myst adventure game series. Based in the Spokane, WA area, the company has been continuously producing games since 1987. Cyan are active custodians of their own history: A significant amount of production materials from the making of their games has been retained at Cyan's headquarters in a storage room known internally as the "Cyan Vault," including hundreds of videotapes from the production and promotion of their games, particularly Riven: The Sequel to Myst...