Please don't, some of us have families to feed!

On a more serious note, I wonder how hard it would be to introduce even semi-realistic Newtonian physics to a voxel-based game world.

I was thinking use KSP to "drive" objects in Minecraft... not that I'd do it, but I could imagine some twisted soul. :-)

The world may be voxel-based, but objects in Minecraft still move in a Newtonish fashion.

You should have a look at StarMade: https://www.star-made.org/

Have a look at Space Engineers and possibly Empyrion.