Do you have access to http://bugs.thedarkmod.com/view.php?id=4537? If not, here's what's there: 0004537: Single executable Combine the engine and game into a single executable rather than have a separate game dll. Steps that I did on Windows: - move all game source files to engine folder Game (in project structure, not in file system) - replace precompiled_game.h with precompiled_engine.h - that is already done for all platforms n svn. - remove the _doom_dll_ compiler define in project options - did a few include fixes - already done and is in svn. That should be all, fingers crossed.