/usr/share/applications/tictactoe-ng.desktop is in tictactoe-ng 0.3.2.1-1.
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 | [Desktop Entry]
Name=Tic Tac Toe
Type=Application
Comment=Simple, fun tic tac toe game for GNOME
Exec=tictactoe-ng
Icon=tictactoe
Terminal=False
Categories=GNOME;GTK;Game;
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