/usr/share/applications/screensavers/rubikblocks.desktop is in xscreensaver-gl-extra 5.30-1+deb8u2.
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=RubikBlocks
Exec=/usr/lib/xscreensaver/rubikblocks -root
TryExec=/usr/lib/xscreensaver/rubikblocks
Comment=Animates the Rubik's Mirror Blocks puzzle. See also the "Rubik", "Cube21", and "GLSnake" screen savers. http://en.wikipedia.org/wiki/Combination_puzzles#Irregular_Cuboids Written by Vasek Potocek.
StartupNotify=false
Terminal=false
Type=Application
Categories=Screensaver;
OnlyShowIn=GNOME;
|