It’s a chicken and egg problem, and one with deep roots in videogaming history. And we’ll get to that, I promise. But first: some words about Line/Dash. Created by Davide A. Fiandra, Line/Dash is a minimally modernized arcade game. Blocks float across the screen rom right-to-left. Your job is to intercept them before they exit stage-left. This is done by launching lines in their direction. At the click of a key, a line starts working its way downwards. At the click of another key, said line branches off to intercept the incoming block—or at least it does if everything is…