/usr/share/applications/oolite.desktop is in oolite 1.77.1-3+b1.
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=Oolite
Comment=An OpenGL Elite-like space game
Exec=oolite
Icon=oolite-icon
Terminal=false
Type=Application
Categories=Game;Simulation;
Version=1.0
Keywords=Elite;space;3d;trade;fight;OpenGL;
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