What are the different controls for the types of HUD display things? I'm trying to find out how to open that debug-type display that shows the coords and life of different elements, and I'm also stuck in Specific Delete.
To toggle the debug hud, press 'd' For specific delete, the toggle is either Del or if you don't have that key, ctrl+; for replace mode, it is either Ins or ;
Hmm, I would link you tpt's readme which lists all the keyboard shortcuts, but that is at least 2 years out of date. This one seems newer: https://powdertoy.co.uk/Wiki/W/Hotkeys.html