Are you sure about that? DHL GLS (the shipping company Valve uses in the EU) has an app to move your delivery time or reroute the package, but it wouldn’t allow me to delay my SC package because “the sender” blocked it. So it sounds like a Valve problem to me here in EU.

A roguelike written in my lisp, where the magic system is a lisp.

This is so much better and more eye catching description (first line of readme)