How to earn the Underground Stamp in Clubpenguin *Cheat* :)

Some Penguins have had trouble in finding the Underground Entrance :) Well I am here to HELP you :)

Underground: Find the Secret entrance to the underground :) ...Head to the Plaza and walk towards the Manhole :) This is how you can earn that Stamp :) It is NO where else :)

...Stamp Earned! Underground :)

...The stamp has been added to your Stamp Book :)