Today, I published my second small game to chrome web store.
https://chrome.google.com/webstore/detail/eeehcmbhicglclggakomjhhlmemhjbde
It’s just a tetris but all sources you can find at http://github.com/oivoodoo/cakejs-tetris/. I implement client side using cakejs html5 engine and server side for saving high scores using NodeJS.
In this page http://oivoodoo.no.de/: you can find page high scores table.