/usr/share/doc/openarena-088-data/CREDITS is in openarena-088-data 0.8.8-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/openarena-088-data/CREDITS-0.8.8
/usr/share/doc/openarena-088-data/CREDITS-0.8.8