I am also affected by that bug.
The first level starts and works without any issues. As soon as you try to restart the level or start the next level, the game aborts with segmentation fault.
Using Linux Mint 17.1 based on Ubuntu 14.04.2 LTS (3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux)
I am also affected by that bug.
The first level starts and works without any issues. As soon as you try to restart the level or start the next level, the game aborts with segmentation fault.
Using Linux Mint 17.1 based on Ubuntu 14.04.2 LTS (3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux)
numptyphysics version 0.2+svn157-0.2 amd64