For those that don’t know what the Konami Code is, here is how to do it. This works on any page too.

Every key press after A will cause more to appear 🙂

Here are the clues again, and what point did you figure it out?

Clue 1
It’s a secret code
Clue 2
38,38,40
Clue 3
Code has been used for over 2 decades.
Clue 4
Code ends in B, A
Clue 5
コナミコマンド
Clue 6
Gradius
Clue 7
Konami Command