Within a world of enchantment and wonder, evil resides in an ancient castle. Ico, a young boy born with horns, has been expelled from his village and left within this isolated fortress. Embarking on a perilous quest to save himself as well as a beautiful princess, Ico must find a way to escape. However, escaping will be no easy task. Every towering staircase and stone block is a piece of a puzzle. Every open window, dangling chain and razor thin escape illuminates another mystery. Solve the puzzles or join the tormented souls forever.