/usr/share/applications/bzflag.desktop is in bzflag-data 2.0.16.20100405+nmu1.
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=BZFlag
GenericName=Tank Battle Game
Comment=Battle enemy tanks
Exec=/usr/games/bzflag
Icon=bzflag-48x48
Type=Application
Categories=Game;ActionGame;3DGraphics;
|