Felix Arvid Ulf Kjellberg, better known as PewDiePie, is the world most famous proponent of 'Let's Play' YouTube videos. By all accounts he is the most successful YouTuber in the world, earning $4 million a year for his videos. But what happens when PewDiePie unleashes his incredible audience upon one single video game? Australian game developer Kritz knows first hand. One day PewDiePie decided to stream Kritz's current work in progress, a game called 'Citizen Burger Disorder'. That was the day when everything changed.