/usr/share/applications/gtkballs.desktop is in gtkballs 3.1.5-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | # forwarded to dfo@antex.ru
[Desktop Entry]
Name=GtkBalls
GenericName=GtkBalls
Icon=gtkballs_16x16
Comment=Puzzle game
Comment[de]=Logikspiel
Exec=gtkballs
Terminal=false
StartupNotify=false
Type=Application
Categories=Game;LogicGame;
Keywords=balls;lines;color;logic;
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