John Romero learned this in his early days at ID Software: it's crucial that you can still boot the game even when things are missing, but make them very appare

John Romero learned this in his early days at ID Software: it's crucial that you can still boot the game even when things are missing, but make them very apparent. Source: somewhere in this video https://www.youtube.com/watch?v=E2MIpi8pIvY https://www.youtube.com/watch?v=E2MIpi8pIvY