Next, coming at some indeterminate time in the future, is The Last Guardian. Does Ueda see his past two games and the upcoming one as a trilogy? "They share a common thread of AI-driven characters," he replied, "whose charms can only be portrayed in game form -- Ico's Yorda, Shadow's Agro and the colossi, and The Last Guardian's Trico. You can build intriguing characters in movies and novels just as well, of course, but these artificial characters driven by human-like personalities are something you only see in games.