/usr/share/menu/netris is in netris 0.52-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(netris):needs="text" section="Games/Blocks" title="Netris" \
command="/usr/games/netris" longtitle="Networked Tetris"
|