.
Couldn’t make that leap by myself, had to look at the code to find out. Alas.
I’ll trade you a secret though:
Try changing the name of #. (To save you some time, this is purely cosmetic as far as I can tell.)
#
Yeah, it's really obscure. That's why I was wondering if it's something we are supposed to find or if it's more like an optional easter egg thing.
It seems like it is optional since the update with the "end screen" appears even if you haven't located that.