/usr/share/games/openssn/data/ is in openssn-data 1.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/games/openssn/data/font.dat
/usr/share/games/openssn/data/information.txt
/usr/share/games/openssn/data/largefont.dat
/usr/share/games/openssn/data/mission0.dat
/usr/share/games/openssn/data/mission1.dat
/usr/share/games/openssn/data/mission10.dat
/usr/share/games/openssn/data/mission2.dat
/usr/share/games/openssn/data/mission3.dat
/usr/share/games/openssn/data/mission4.dat
/usr/share/games/openssn/data/mission5.dat
/usr/share/games/openssn/data/mission6.dat
/usr/share/games/openssn/data/mission7.dat
/usr/share/games/openssn/data/mission8.dat
/usr/share/games/openssn/data/mission9.dat
/usr/share/games/openssn/data/orders0.txt
/usr/share/games/openssn/data/orders1.txt
/usr/share/games/openssn/data/orders10.txt
/usr/share/games/openssn/data/orders2.txt
/usr/share/games/openssn/data/orders3.txt
/usr/share/games/openssn/data/orders4.txt
/usr/share/games/openssn/data/orders5.txt
/usr/share/games/openssn/data/orders6.txt
/usr/share/games/openssn/data/orders7.txt
/usr/share/games/openssn/data/orders8.txt
/usr/share/games/openssn/data/orders9.txt
/usr/share/games/openssn/data/ships0.dat
/usr/share/games/openssn/data/ships1.dat
/usr/share/games/openssn/data/ships10.dat
/usr/share/games/openssn/data/ships2.dat
/usr/share/games/openssn/data/ships3.dat
/usr/share/games/openssn/data/ships4.dat
/usr/share/games/openssn/data/ships5.dat
/usr/share/games/openssn/data/ships6.dat
/usr/share/games/openssn/data/ships7.dat
/usr/share/games/openssn/data/ships8.dat
/usr/share/games/openssn/data/ships9.dat