Do we get the source files?

Compiled with a different environment.

What environment are we talking about?

Let's organize and offer a price. We can sign a non-disclosure agreement. He got incredibly lucky. Or at least let's find out from whom he stole them.

Is this even possible? Who can we ask?

He got incredibly lucky. Or at least let's find out from whom he stole them.

Most likely, back in October 2008, after the release of Tribes of the East, one of the developers, out of friendship, passed on the source code to him (a generous Russian soul), and he quickly took advantage of it. But it's also possible that he was part of the project himself.