Easter egg: Access the Cast & Crew page from the Special Features menu, when the cursor is selected on the Features button, bottom right, press left to select a strange missile looking button. This opens a page that gives a password for accessing parts of the Three Kings website.
Easter egg: On the DVD, go to the Special Features menu. Press up twice on your remote. The special features heading should light up with red blood. Press enter and see a brief documentary about the movie and the graphic novel.
Easter egg: On the second disc, when the menu first appears, hit right on your DVD remote to highlight one of the wooden planks on the Trojan horse, and hit Enter. There is a clip the CG department made of some animatic 'bloopers' during the movie.