Riven is a Graphic Adventure and Single-player video game brought to you by Cyan and Red Orb Entertainment. The game is set in the 3D environment where the player controls the protagonist and embarks on a journey to explore the world from a first-person view. However, the storyline starts immediately after the events of Myst video game, in which after having been saved from the struggles of his son, the main NPC named Atrus enlists the help the player character to free his beloved wife from the custody of hungry father named Gehn. Unlike Myst video game, which took the player in several worlds that are connected by special books, Riven is set entirely on the Age of Riven, a world gradually falling apart due to the destructive rule of Gehn. The game introduces the point-and-click interface, and the player must use to control the character from a first-person view. During the gameplay, the player navigates the environment through a massive series of randomly generated stills using the clicks of the mouse for movements or to manipulate objects. To explore the land, the player just needs to click in the direction he wants to turn or walk.