→Technical details: Several articles online claim id Tech 5 network code is used, at least on PS3.
== Technical details ==
The source code contains heavy modifications to lift static limits, and to integrate the Doom engine into
an external framework which can regularly call into the engine's code to provide a rendering context, audio stream, and input events. The game can be exited to return to this framework, and a special menu is provided for changing the current game from inside the game itself. As part of supporting the ability to reinitialize the game engine without exiting the framework program, most global variables in the program have been moved into a C++ class .
== See also ==