[AnIdiotOnTheNet]

I feel like you intended to link this [0]?

[0] The 30 Million Line Problem: https://www.youtube.com/watch?v=kZRE7HIO3vk

The article is about Casey's work verifying collision geometry and movement code in Jonathan Blow's The Witness, to ensure that the player can't get stuck anywhere or fall through the ground or anything like that.

[Yokohiii]

Oh wow I totally ended up reading the 30m line problem story. I actually was confused about the title on HN.