I am trying to set some physics for the whole level. Creating a giant physics volume to envelop the whole level is simply impractical.
I thought I could set this under world properties, but I find no option to adjust anything there. I remember back in the day I could also put an info in the map that could set these properties, but that feature has long since been removed.

All I really need to do is change the ground friction for the whole level. Isn't there some way I can set that without a stupid-big volume?

My only other thought would be to find out how I can change this default property for the whole gametype, but I shouldn't need to resort to scripting to get this done.