Easter egg: Insert Disc 1, when you get to the main menu enter the numbers 82997 (the date of Judgment Day) this should reveal the message 'The future is not set' and you'll be presented with two deleted scenes, one is the T-1000 searching John's room and the other is the alternate 'Future Coda' ending. This applies only to the regular DVD. This may be easier using a computer's DVD drive.
Easter egg: In the special features under the "Philosophy of Time Travel Book" in scroll through until you see a man with a target around him. Press the up button and the target is highlighted. Press enter.
Easter egg: In the "20th Anniversary Edition" (the same one that is part of "The Alien Legacy Collection"), go to the "Extra Features" submenu, on the first screen keep moving the cursor downward until you go past "Main Menu" and highlight an acid hole on the bottom and press the confirmation button to select it. You'll be brought to a menu meant to look like a message science officer Ash is sending to the company detailing the life cycle stages of the alien creature.
Easter egg: If you choose the DVD option which allows you to pick who dies, pick tails on the first coin flip and all of the characters survive.
Easter egg: Once you're in the Main Menu, highlight the option where it says "Don't watch this". Then, using the directional arrows, press Down, and then Down again. You'll notice the pointer on the screen will dissappear. Then, press the Select button on your remote. Watch this AFTER seeing the whole movie, otherwise it won't have an effect on you.
Easter egg: On the DVD disc, select "Extras" and at the bottom next to the "Main Menu", a diamond will appear when you press the right arrow on the remote. A 1950's-style news story about Axel Hellstrom will appear. You can also go left for another news feed.
Easter egg: On the Special Edition 2-Disc version, go to the main menu, enter the number '74' and press enter. You can now visit the inside of the ship.
Easter egg: Under Join the Brotherhood (Magneto's side) Go to Features. Then Deleted Scenes. Press "More" until you find the scene called "Henry Warns About Magneto". Highlight it, then press the left arrow to highlight an "X". Press enter and you will get to watch a short 2005 promo for the movie. Under Take a Stand (X-men side), this feature requires you to highlight "X-men land the chopter" then press the left arrow to highlight a "Magneto Symbol".
Easter egg: On Disc 2 of the Special Edition, there are several easter eggs which are very easy to find. They can be accessed by highlighting the small areas of the "comic book", which include a crack in the wall, Batman's reflection in a puddle and the Scarecrow's eyes. The unlocked features include a stunt rehearsal reel and CG demo.
Easter egg: (Blu-ray) On Disk 1, open the "Extras" submenu and highlight "BD-Live". Press the Right arrow/button and a wire-frame of Iron Man will appear below it. Press the Enter button and a brief behind-the-scene vignette between Stan Lee and Robert Downey Jr. will appear.
Easter egg: In the two-disc special edition set, on the second disc, go to Complete Index of Unique Features, then Day Out Of Days, then click on virtually any item. Press up to find different Easter Eggs that will show you a small clip.
Easter egg: On the main DVD menu screen, when play is highlighted, press up. You will highlight one of the crystals. Press enter, and it will take you to a screen with a bunch of different character's faces. Press enter on any of them, it will give you a soundbite from that character. Also, you can highlight the two crystals on the bottom of that page that are on either side of the main menu option that will give you two other soundbites. On the main menu screen, you can't seem to highlight the other crystal. I don't know why.
Easter egg: On disc 2 of the DVD, click on the comic. When the next screen appears, click on the evolution of Spider-Man and then rogues' gallery. Click on any of the villains' pictures. When the pictures appear you can get a larger rotating picture of Electro, Venom and Scorpion by highlighting the Spider-Man head at the bottom of the screen of this villain and pressing down. This then brings up an outline of Spider-Man and you then just simply click on it.
Easter egg: Go to special features and press button to go to next menu, when there keep pushing the right arrow. You will see a question mark press enter and see how they created Samara.
Easter egg: On the 2-Disc Director's Cut DVD (Region One), if you can complete the entire trivia game (which includes around 50 or so questions, some of which are extremely hard), you are able to view a hidden video.
Easter egg: On the three-disc special edition, there are 3 hidden features. On Disc 2, enter the 'Production' menu, then highlight main menu and press right to highlight a hidden symbol. On the same disc, in 'Pre-Production', go into 'Prep', highlight 'Safe Cracking School' and press right. On Disc 3, go to the fourth page of 'Visual Effects', highlight 'CGI Propane Tank' and press right.
Easter egg: On the 2-disc Collectors Edition, go to the second page of the "Bonus Features" and highlight "Evolution of a Golden City". Press the left arrow button on the remote twice and a small figurehead will appear on the lower left corner of the doorway. Press the "Enter" button and enjoy.
Easter egg: Not sure ifs it on the Standard DVD as well, but on HD-DVD on the 2nd disk, when you highlight 'Our World' and press left on the remote, Megatron's head pops up to the right and by pressing enter you view the DVD's credits.
Easter egg: Go to the page for scenes 13-16. After you wait for a while,(Note: a lot of patience is required to find this) a 17th scene will appear. Click on it and it will take you to a page with secret military files. Unfortunately, only three of them actually work. Only time will tell how to access the other ones.
Easter egg: When on the menu screen, move the cursor to highlight the Hackers logo. Press enter, and your will be taken to a screen with a choice of four passwords. The correct password is GOD, which one can learn by watching the movie. When the password GOD is selected, you will be taken into a cool short visual of cyberspace.