Game: Dark Ritual

Dark Ritual is a fanciful HOG thriller where you star as an FBI agent looking for her sister, who went missing after undergoing some kind of… well, dark ritual. The plot turns into fine web of paranoia and mysticism, as you find out a scientist has discovered an ancient Incan mind control serum and must be stopped from using it to… well, the game is vague on this point. He probably intends to rule the world, but seems content to work toward that goal very slowly.