John Carmack wrote in 2010: > There is some decent code in Doom Classic, but it is all C, and I would prefer to do new game development in (restrained) C++.

> I had been harboring some suspicions that our big codebases might benefit from the application of some more of the various �modern� C++ design patterns, despite seeing other large game codebases suffer under them. I have since recanted that suspicion.

I think this shows that C++ works better in controlled (i.e. corporate environments), whereas C is often preferred in Open Source.