With the revenue from "Myst", Cyan quickly moved to a new headquarters to accommodate a bigger staff, where they remain today. During this time, three novels set in the "Myst" universe were co-authored by the Millers and David Wingrove. The sequel to "Myst", "Riven", was released in 1997. After its release, Robyn opted to leave Cyan to pursue other interests, primarily working on independent film production. In a 1999 interview, Robyn stated that the reason for his departure was that "Two people can't pilot a ship – someone must be in charge...The parting gave us each a ship."