Type-Racer, TheWikiGame Multiplayer Game like Website

I was wondering how I could make a site that lets people log in and compete against each ot开发者_StackOverflow社区her. Looking for starting points or any existing frameworks.

Thanks in advance!

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you will find many game engines here. it can be a good starting point to browser through them and find one you feel comfortable with (comfortable with the language for example).