If you mean for P.S.A. missions, the decoder pops up in the bottom-right corner of your screen.
your such a n00b
you can only decode it when you on a secret missons
bmh
just do it yourself its not hard
On some Club Penguin missions, there is a code that needs to be decoded. There is a key to the code, so you can just decode it to find out what it says.
Decode the code to find out.
It is different every time. Decode the message!
go to the ski hill and decode the signpost
There is a small tab to the side of your inventory bar that has the code on it.
If you are a secret agent during a mission you have a 'Decoder'. If screenprint that (Function+Del on a PC) then paste it onto word you will have your own club penguin decoder.
By buying things from club penguin.
an archive is where the old things from club penguin are