It's true that it's easier to organize and communicate when working on small programs, but that's kinda the conclusion I'm hoping to force everyone to get at What you stated is exactly what everyone should be thinking now. Why is it so easy for UE4 to update? Well, check out the source code and see for yourself! Why is UT, with the simpler and easy to use and smart interface taking so much longer? who knows :3 Agreed. The code has probably got more noodles than the flying spaghetti monster.