/usr/share/applications/gnubg.desktop is in gnubg 1.06.001-1build1.
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 | [Desktop Entry]
Name=GNU Backgammon
GenericName=Backgammon
Comment=GTK or console backgammon program with analysis
Exec=gnubg -w
Terminal=false
Icon=gnubg
Type=Application
Categories=Game;BoardGame;GTK;
Keywords=analysis;tutor;
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