HN Plays 2048
Took a look at your code and noticed you're using Socket.io. Don't use Socket.io for anything over double digit concurrent users. It's well known to be horrible at scaling. If you want something that's <i>better</i> at scaling I'd suggest SockJS[1].<p>1 - <a href="https://github.com/sockjs/sockjs-node" rel="nofollow">https://github.com/sockjs/sockjs-node</a>