[1][2] He also co-directed and co-lead designed the sequel to Myst, Riven,[3] which was the best-selling computer game of its year of release, 1997.

[5] He also acted in Myst, portraying one of the antagonists, Sirrus (with brother and Cyan-cofounder Rand appearing as Achenar and Atrus).

Richard Vander Wende, co-director and co-designer of Riven, was likewise responsible for orchestrating the visual language of that world.

Miller composed the soundtrack for Cyan's Kickstarter-funded video game Obduction, released in August 2016.

He stated in an interview that he enjoyed focusing solely on composing, as opposed to the additional production work he had done for Myst and Riven.