Riven is a first-person adventure video game developed by Cyan Worlds and released in 1997. It serves as a sequel to the popular game Myst and is set in a richly detailed, immersive world filled with puzzles and exploration. Players take on the role of a character who must navigate the mysterious island of Riven, solving intricate challenges to uncover the story and restore balance to the world. The game is known for its stunning graphics, atmospheric sound design, and complex narrative. Players interact with various environments and characters, including Gehn, the main antagonist, as they piece together the history of Riven and its inhabitants.