Wow! Only one clue left!! Well done.
This clue is a riddle. A simple one.
"What do you get when you're famous?"
Yep, put it behind "User:C00l dud4/", to get access to your reward!
Solution to Clue 5[edit | edit source]
"Square 3" refers to Clue 3, and by trying to edit, you can find a hidden comment there, which would lead you to this page.