What Type Of Code Does GDT Run On

I am trying to make a mod and i need to know this
So could you guys tell me

JavaScript, HTML and CSS. Basically, its a website run in node-webkit. (So you can use it on your desktop)

This is however not the best language to create a game in for beginners, I would suggest something like Java or C++ :slight_smile:

Sweet Man
I tried UME but it wouldn’t work so ya
i am glad i didn’t spend hours working on a mod before i found out