It was never completed. Screenshots and video snippets would leak out every few years, each time whipping fans into a lather — and each time, the game would recede from view. Normally, videogames take two to four years to build; five years is considered worryingly long. But the Duke Nukem Forever team worked for 12 years straight. As one patient fan pointed out, when development on Duke Nukem Forever started, most computers were still using Windows 95, Pixar had made only one movie — Toy Story — and Xbox did not yet exist.