How does Unity3D scripting work under the hood?

Now let’s talk about a subject that can sound unnecessary at first, but helped (at least me) a lot on the process of understanding how Unity works. We all know Unity3D is an engine, but how it really works? In this post we’ll learn about

How does Unity export to so many platforms?

This week a friend, during a talk about game development and Unity3D, asked me: “How does Unity export to so many and different platforms?” I started to think and formulate my answer, struggled and I couldn’t really answer why. I never really thought about it. So I started doing some research about it.