Riven is the sequel to the original Myst. Its all about the ending of the first Myst game. When you win the original game, Atrus says he needs your help in the future. You must trap Atrus' father, Gehn to save Catherine before you can leave Riven. Find out more of the future by investigating the past. Special Features Variety of challenging puzzles and characters, huge worlds of clear and detailed 3D rendered graphics, three hours of animated scenes