Myst is a computer adventure game released in 1993. It was developed by the brothers Robyn and Rand Miller and published by Cyan, Inc. The game is set on an island with puzzles that must be solved in order to progress. Players explore the island, uncovering its secrets and solving puzzles. Myst was one of the best-selling computer games of all time, selling over six million copies. It has spawned several sequels and spin-offs, and has been credited with popularizing the genre of adventure games.