/usr/lib/x86_64-linux-gnu/libxwiimote.so is in libxwiimote-dev 2-3+b3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libxwiimote.so.2.0.0
/usr/lib/x86_64-linux-gnu/libxwiimote.so.2.0.0