[QUOTE=smitchell]... I think im getting there in terms of understanding. But the multiplayer needs to run of node.js right? can a webserver run node.js?[/QUOTE]
Node.js is one means of making a server, but multiplayer gaming servers have been around for a long long while before node.js came on the scene.
[QUOTE=smitchell]... I think I need a example, would that be possible?[/QUOTE]
I'm not sure what you mean by an example, but here
's an article on building a multiplayer PC gaming server (using free servers that aren't node.js based), that might help to expand your understanding (including giving you an idea of the complexities