I just hit that point in my concept work where things are really coming together to look (and act) like a game.  The cubes are not disappearing yet, so you lose sight of your main character while digging, but it at least proves the idea behind the work.

Player controls and basic concept example

I’ve also gotten work done on a logo and title.  Not sure I’m sticking with the title, but it works for now.

My Logo Concept for Doug Diggz, my ‘Beneath the Surface’ Game