/usr/lib/libdynamicedt3d.so.1.6 is in libdynamicedt3d1.6 1.6.8+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libdynamicedt3d.so.1.6.8
/usr/lib/libdynamicedt3d.so.1.6.8