/usr/share/applications/sgt-range.desktop is in sgt-puzzles 20170606.272beef-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Version=1.0
Terminal=false
Exec=sgt-range
Icon=sgt-range
Type=Application
Categories=Game;LogicGame;
Name=Range
Comment=Fill the grid so the range of each numbered square matches the number
Comment[de]=Füllen des Gitters, so dass die Reichweite jedes nummerierten Quadrates zu der Zahl passt
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