This is not official support.
required node.js
this document not support for node.js install.
next, install nw-builder.
$ npm install nw-builder -g
your game project directory in write "package.json" file.
{
"name": "Game",
"version": "0.0.1",
"main": "index.html",
"js-flags": "--expose-gc",
"window": {
"title": "",
"toolbar": false,
"width": 816,
"height": 624
}
}
your game project directory in this command.
$ nwbuild --quiet -p linux64 -v 0.12.3 .
output "build/Game/linux64".
that files is packaging for linux your game project.