Sheer hubris. They had a certain sense of humor, they had Duke, and they had a knack for creative physics ideas that affected gameplay, like Duke 3D's cameras,

Sheer hubris. They had a certain sense of humor, they had Duke, and they had a knack for creative physics ideas that affected gameplay, like Duke 3D's cameras, mirrors, and shrink-ray. They could have made a really fun game that was a year behind on the graphics and physics engines. But they wanted to be the best at everything.