Here are some more easter eggs from CNET
Also check out Cheat Codes for Windows and AOL Keywords



Microsoft Excel 2000
The egg:
A race car game called Dev Hunter
How to crack it:
1. Open a new file in Excel 2000.
2. Select File and Save As, and in the Save As Type menu, select Web Page.
3. Click the Selection:Sheet radio button, and checkmark Add Interactivity.
4. Click Publish. In the Publish As dialog box, click Publish again.
5. Switch over to Internet Explorer (IE). Open the HTML page you've just saved in Excel. You'll see an Excel worksheet in the middle of the IE page.
6. Press the Page Down key until you get to row 2000, then tab over to column WC.
7. Hold down Shift-Ctrl-Alt while you click the Office logo at the upper left.
8. Now, you're dropped into a full-screen game similar to Spy Hunter, called Dev Hunter. Use the arrow keys to drive. You'll see developers' names painted on the road as you go.
9. If you're an aggressive driver, hit the spacebar to fire and the letter O to drop oil slicks. When it gets dark, use H to turn on your headlights. (Note: Your system must be equipped with DirectX in order for this egg to work.)



Microsoft Excel 97
The egg:
A flight simulation game
How to crack it:
1. Open a new worksheet and press F5.
2. Type X97:L97 and press Enter.
3. Press Tab.
4. Hold down Ctrl-Shift while you click the toolbar's Chart Wizard button (the one with the three 3D shapes).
5. A 3D flight simulator will appear. The mouse controls flight; the right button moves you forward; the left button puts you in reverse.
(Note: Your system must be equipped with DirectX in order for this egg to work.)



Microsoft Excel 95
The egg:
A Doom-like exploration game called the Hall of Tortured Souls
How to crack it:
1. Open a blank worksheet.
2. Select row 95.
3. Press Tab once to move to column B.
4. Select Help/About Microsoft Excel from the main menu.
5. Hold down Ctrl-Alt-Shift while you click the Tech Support button.
6. A window called Hall of Tortured Souls appears. Use the cursor keys to move around.
7. To go on a quest for pictures of the Excel developers, turn your virtual self around 180 degrees and go down the stairs. Type excelkfa, and the wall disappears, revealing a narrow walkway that leads to a quest.
(Note: Your system must be equipped with DirectX in order for this egg to work.)



Qualcomm Eudora Pro (3.x to 4.2)
The egg:
The skinny on Eudora's interdepartmental joking
How to crack it:
1. Select Help/About Eudora
2. Click the Credits or More Credits button (depending on your version).
3. The credits will roll by, but this isn't the good part. Press Ctrl for the nicknames and interdepartmental ribbing (for instance, the heading "Marketing" becomes "Marketing Weenies" and "Sales" becomes "No problem, that can be added to the product").



Microsoft Word 97
The egg:
A pared-down pinball game
How to crack it:
1. In a new document, type Blue.
2. Double-click the word to select it, and select Format and Font.
3. Change the font style to bold, and the text color to blue. Click OK.
4. Type a space after the bold, blue word Blue.
5. Select Help/About Microsoft Word.
6. Hold down Ctrl-Shift and click the banner containing the Word logo.
7. The whole screen will be taken over by a black screen with a cast list and a pinball game. Use Z to work the left flipper and M for the right flipper. If your boss comes to look over your shoulder, hit the Esc key to exit the game.



Microsoft Internet Explorer 5.0
The egg:
A look at the twisted creators of IE 5.0, plus an animated treat
How to crack it:
1. From the Tools menu, select Internet Options.
2. Under the General tab, click the Languages button.
3. Click Add and in the User Defined box, type ie-ee.
4. Click OK, and in the dialog box, select User Defined ie-ee.
5. Click the Move Up button until User Defined ie-ee is at the top. Click OK.
6. In IE, click the Search icon.
7. In the new sidebar that pops up, click the Previous Searches button for a look at the Internet Explorer team, or hit the Customize button above to see a little Netscape-IE rivalry in action.



Microsoft Internet Explorer 4.0
The egg:
A cast list with some humorous entries
How to crack it:
1. Select Help/About Internet Explorer.
2. Hold down Ctrl and drag the E logo from the top right over to the world icon.
3. Still holding down Ctrl, drag the E over the banner text that reads "Microsoft Internet Explorer 4.0."
4. When the banner text slides to the right, an Unlock button appears. Click it.
5. The world will shake. Hold down Ctrl again, drag the E onto the world, and release it.
6. Watch the mostly boring name list for its few funny entries.



Netscape Navigator and Communicator
The egg:
Text from the Book of Mozilla, a fictional book of the Bible
How to crack it:
1. In the Location box, type about:mozilla.
2. Read the mock quotation from the Book of Mozilla. (Mozilla is the open-source browser project that designed the Netscape 6 browser. Its mascot is a Godzilla-like lizard.)



AltaVista and Ask Jeeves
The egg:
Interactive dialogue from famous screenplays
How to crack it:
1. Go to either Ask Jeeves or AltaVista.
2. Enter Who's on first? and click Search.
3. The first response will be a repetition of the question. Click the icon next to it, and you'll get the next line from the Abbot and Costello routine.
4. Click again, and you'll get a relevant site.
5. Experiment with these other lines from famous scripts: What is the air-speed velocity of an unladen swallow? or To be or not to be?



America Online 5.0
The egg:
An animated Web surfer with snorkel
How to crack it:
1. In the keyword box, type aol://1391:43-52114.
2. A small box will pop up, complete with a cute snorkeler who waves and ducks under water until you close his window.