Our team created this game in 48 hours for the Node Knockout competition.
Node.js, Multiplayer, Web Sockets, HTML5 Canvas, Javascript... it's a a veritable zeitgeist of 2011 web browser / sever tech :)
Special thanks to Dominic of Impact.js http://impactjs.com/
Start playing here: http://playbossman.com/play/hackernews http://playbossman.com/rooms
Bossman - multiplayer web game built in 48 hours using node.js and impact.js
playbossman.com