No, and as most games are it would just be loads of code refering to movie clipps.
Python programming language is generally the best one to use because it can run more players per server at a time.
I've been innovating a handful maps at the cool universe <a...
I can't tell you how to customize it, but you can go to addictinggames.com and make an account.
There is a software to do it. Sorry but you have to search for it, I can't remember where it is!