So here's the deal. I'm making an online multiplayer action game, currently using Phaser for the client (mainly for rendering and input), and I've hacked Phaser onto my Node.js server as well (http://www.html5gamedevs.com/topic/7393-running-phaser-on-nodejs-how-i-did-it-and-why-you-shouldnt-do-it/), so I can use the Arcade physics system to manage the interactions of player's entities with other entities in the game world. I get that some people puke at this idea, but it works, mostly. The