AI language-generation tool ChatGPT is already coming to video games in order to create more believable NPCs – which means, naturally, that you can ruin their marriages. NetEase, the Chinese mega-publisher behind many of the country's most popular online games, has announced plans to add ChatGPT to an MMO called Justice Online. It seems this isn't just a theoretical idea, either – a demonstration video (opens in new tab) shows ChatGPT-powered NPCs complete with voice acting and emotional responses to your actions. You won't get much out of that video if you don't speak Chinese, but tech site Pandaily (opens…