Here is a video I made about the maths of one of my favourite games ‘Geistes Blitz’ (Ghost Bliz).
In investigating Geistes Blitz, I made a new game ‘Shape Match’ which I call the ‘mathematically sensible’ version of Geistes Blitz. It has a nice mathematical property that Geistes Blitz doesn’t have.
You can download and play Shape Match here: https://www.dropbox.com/s/qv2xab2h5y6fwxf/Shape%20Match.zip?dl=0
I made the video for the 2020 ‘Big Lock-Down Math Off‘.