There is plenty of work to do in my opinion regarding rigid body simulation. You just need to consider harder problems! An example: https://youtu.be/z12UdMbELd

There is plenty of work to do in my opinion regarding rigid body simulation. You just need to consider harder problems! An example: https://youtu.be/z12UdMbELdc https://youtu.be/z12UdMbELdc The whole Siggraph channel is quite cool. It's just demo videos.