@Rendulshawahlol,
Lol i was about to post that, i found a whole site with all of them. Here:
>The following is a list of MNI secrets so far. They
>may or may not be numbered correctly.
>
>1. What's this? - Click Control+A (WINDOWS) or
>highlight (Select All) the entire page. At the top
>right of the page, there is a small link "What's
>this?" Click it and receive your reward!
>2. Write Something Beautiful - On the homepage, click
>the quill on the Flourish and Blotts icon.
>3. Eat Up - At the bottom of the Roleplay FAQ page
>there is an image of a fork at the bottom. Click it
>and receive your reward!
>4. Copper or Brass - In the Classes there is a small
>graphic at the top of the page. Click it and it will
>take you to a riddle. The answer is "Cauldron" minus
>the quotes.
>5. Spiders Galore - On the MNI FAQ page, there is a
>small piece of parchment at the bottom. Click it.
>You'll find another riddle. The answer is "Aragog"
>minus the quotes. This awards you 1 Galleon.
>6. Crossed Words - Go to Diagon Alley, then click on
>Gringotts Wizarding Bank. Click the piece of parchment
>at the bottom of the page. You can solve the puzzle,
>or click the link below:
> >href="http://interactive.mugglenet.com/mni/index.php?ac
>tion=secret;code=98ds902jf">http://interactive.mugglene
>t.com/mni/index.php?action=secret;code=98ds902jf
>7. Oh Starry Night - Click the star on the MNI logo at
>the top of the page. You may decode the riddle and
>solve it if you wish, or just input the answer
>"Snitch" minus the quotes to receive your reward.
>8. Silly Staffers - On Mondays at the bottom of every
>page, there is a Site Credits and Mugglenet
>Interactive Staff button. Click on it and look at the
>prefects list. At the bottom is the secret. Click it
>to receive your reward.
>9. Guh, Snape - Go to Ask Snape. Ask him "Tiberius"
>minus the quotes and click on the boot to receive your
>reward.
>10. The Gaunt House - Go to the General Common Room,
>at the very bottom of the page there is a "Forum Jump"
>drop down. Click the arrow to drop the list, then
>scroll to the top. Under the "General" category, there
>is a board called "The Gaunt House." Select this board
>and you'll be rewarded.
>11. Go to the Statistics Page ( >target=_blank
>href="http://interactive.mugglenet.com/mni/index.php?ac
>tion=stats">http://interactive.mugglenet.com/mni/index.
>php?action=stats ). First box on the right column,
>the last ration is "Wizard to Muggle Ratio:". Click
>that text to receive your reward.
>12. Find the Sword - Go into any thread and click the
>Reply button. Once there next to the row of smiley
>icons, click the "More" button. This will pop-up a new
>window with different smileys, click the small "sword"
>to receive your reward.
>13. A Timeley Affair - At 10:15PM MNI time, a
>connection error comes up. Click repeatedly on the
>word "refresh" in the error message until you are
>taken to the another page and are awarded 2 galleons.
>14. Dissendium! - At the bottom of the forum page
>there is a box called the "Mugglenet Interactive -
>Info Center." To the right of the title, there is a
>button which will shrink or expand the Info Center.
>Click it. A link with the text "Dissendium!" will
>appear, click it and receive your reward.
>15. Got the time? - At the top of every page you'll
>see a clock showing MNI time. Click the seconds to
>receive your reward!
>16. Feed Your Owl - Go to your inbox, in the
>"Preferences" box on the left hand side, there is a
>link that says "Feed Owl." Click it!
>17. Stock up on Wolfsbane - On the full moon, a red
>message will appear at the top of the MNI boards. Go
>to Diagon Alley, then to Madam Malkin's Robes for All
>Occasions, and buy the Wolfsbane. Then go to your
>Invenetory and click on the Woflsbane.
>18. The Red Phone Booth - At the bottom of every page
>on MNI there are four graphics. When you roll over
>each of the graphics a number appears in this order: 0
>2 4 6. Click the number graphics in this sequence and
>collect your reward: 6-2-4-4-2
and 19 is on the first page >_<
source:
http://www.voy.com/180027/617.html