/usr/share/games/mmpong-gl/CEGUI/fonts/FreeSansBold.ttf is in mmpong-gl-data 0.9.1-2.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/games/mmpong-gl/CEGUI/fonts/../../../../fonts/truetype/freefont/FreeSansBold.ttf