Can you see through this trick of darkness?

You can read Luigi's mail in "Mail Time!"

When "Luigi Enters the Mansion", get rid of the full-panel ghosts

When Peach & Bowser are being "Sneaky", enter the same code you'd enter to unlock large materia from a space ship

"After Searching For So Long" you'll find a Homestarrunner style hidden link

World of Warcraft fans should know immediately how to find "Spinal Superiority"'s secret

"A Powerful Puddle Named Chaos" has a note for Sonic

The Animus uses Javascript for a mouseover effect