RERetro Gamer
Portal 2 devs went through "nasty crunch" to get Valve's all-time classic out the door, partly because they kept "adding stuff" despite deadlines: "My wife was getting really tired"
Portal 2 lead designer Josh Weier revealed that the development team experienced "nasty crunch" due to continuously adding features despite looming deadlines. Weier mentioned that the intense work environment strained his personal life, leading to a temporary step back from the project near its completion.