Yes, the main character was quite clear to me, but the placeholder clear-coloured entities confused me a bit at first.
Makes sense regarding the controls. I actually like the simpler control scheme so maybe no sprint button is best :) I think it was around level 4 or 5 that I was feeling I had a lot to backtrack to turn off servers on both sides, so there was some drop in tension there for me.
Definitely a concept I can see myself playing more!