/usr/share/games/ is in nsnake 3.0.1-2build2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/games/nsnake/
/usr/share/games/nsnake/levels/
/usr/share/games/nsnake/levels/3-hearts.nsnake
/usr/share/games/nsnake/levels/NSNAKE.nsnake
/usr/share/games/nsnake/levels/arena00.nsnake
/usr/share/games/nsnake/levels/arena01.nsnake
/usr/share/games/nsnake/levels/arena02.nsnake
/usr/share/games/nsnake/levels/balls.nsnake
/usr/share/games/nsnake/levels/cave00.nsnake
/usr/share/games/nsnake/levels/diagonal-split.nsnake
/usr/share/games/nsnake/levels/horizontal-madness.nsnake
/usr/share/games/nsnake/levels/lenny.nsnake
/usr/share/games/nsnake/levels/retro00.nsnake
/usr/share/games/nsnake/levels/retro01.nsnake
/usr/share/games/nsnake/levels/retro02.nsnake
/usr/share/games/nsnake/levels/retro03.nsnake
/usr/share/games/nsnake/levels/retro04.nsnake
/usr/share/games/nsnake/levels/retro05-2.nsnake
/usr/share/games/nsnake/levels/retro05.nsnake
/usr/share/games/nsnake/levels/retro06.nsnake
/usr/share/games/nsnake/levels/retro07.nsnake
/usr/share/games/nsnake/levels/s.nsnake
/usr/share/games/nsnake/levels/spiral-large.nsnake
/usr/share/games/nsnake/levels/squares00.nsnake
/usr/share/games/nsnake/levels/squares01.nsnake
/usr/share/games/nsnake/levels/squares02.nsnake
/usr/share/games/nsnake/levels/tetris.nsnake
/usr/share/games/nsnake/levels/tricky-horizontal.nsnake
/usr/share/games/nsnake/levels/tricky-vertical.nsnake
/usr/share/games/nsnake/levels/tricky.nsnake
/usr/share/games/nsnake/levels/vertical-madness.nsnake
/usr/share/games/nsnake/levels/w.nsnake
/usr/share/games/nsnake/levels/z.nsnake