/usr/share/applications/xmountains.desktop is in xmountains 2.9-5.
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 | [Desktop Entry]
Name=Xmountains
Comment=Fractal landscape generator for X
Exec=xmountains
TryExec=xmountains
Terminal=false
Type=Application
Icon=
Categories=Game;Art
Keywords=game;art;toy
[Desktop Action View]
Exec=xmountains
|