Mine Sweeper made with Polymer built to be used as a bower package. Javascript source is written in ES6 and transpiled to ES5 using babeljs.
bower install play-minesweeper
<script src="bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<link rel="import" href="bower_components/play-minesweeper/play-minesweeper.html">
<play-minesweeper></play-minesweeper>
cd bower_components/play-minesweeper
bower install
npm install
npm start