Underground stamp

Underground
Information
Available	Yes
Type	Activities
Difficulty	Easy
Members only?	No
Stamp ID	10
How to obtain	Find the secret entrance to the underground

The Underground stamp is a stamp in Club Penguin. All players are able to obtain this stamp.

History

This stamp was released on July 26, 2010 as one of the original stamps.

How to obtain this stamp

Spoiler warning: Plot and/or ending details follow. Click “Expand” to view spoilers.
Go to the Plaza. Head down the manhole to go to the Cave.
Spoilers end here.

SWF

• Underground stamp