/usr/share/applications/dangen.desktop is in dangen 0.5-3.
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]
Version=1.0
Name=dangen
Comment=shoot 'em up game
Exec=dangen
Icon=dangen
Terminal=false
Type=Application
Categories=Game;ArcadeGame;
Keywords=shooting;battle;explosions;2D;
|