Cyan, Inc., also known as Cyan Worlds, Inc., is an American video game developer. Founded as Cyan Productions by brothers Rand and Robyn Miller in 1987, the company is best known as the creator of the Myst series. https://en.wikipedia.org/wiki/Cyan_Worlds
Myst became the best-selling PC game ever made when it was released in 1993, and remained so for several years afterwards. It spawned several sequels, including Riven and the massively multiplayer online adventure Myst Online: Uru Live. Before Myst, the company created children's games such as The Manhole. In 2016, they released the Kickstarter-funded ($1.3M) game Obduction.