Last week at the Game Developers Conference in San Francisco, hundreds of game developers lined up to listen to a man wearing a creepy moon mask. As 28,000 creators descended upon the city to discuss their trade, one of the longest lines was for a talk about Nier: Automata, the sequel to a largely unheralded role-playing game. Last year, Automata became a surprise critical and commercial success, selling more than two million copies and earning a fervent cult following. Along the way, director