you can only decode it when you on a secret missons
There is a small tab you can hover your mouse over to get the answers to the code.
If you mean the code in the first mission, you need to find the paper in the pet shop and decode it with the code your spy bar.
It changes every time. There is a 'code' tab next to the inventory bar that you can use to decode it.
u can get it at the gift shop
In the sports shop
There isn't a code to unlock the pizza apron on Club Penguin. You need to buy it when their selling it in the Gift Shop.
If you are talking about the number of socks G has, you have to go to the Puffle shop and there is a note on one of the houses and you have to decode it.
It randomizes. Go to the puffle shop and you should find a note attached to a puffle house. You decode it.
buy one from the shop
You can buy club penguin membership codes from the shop but unless you win one in a competition there is no such thing as a free club penguin membership code.
u can shop at toysrs and get some club penguin cards and enter the code behind the card.
it says code on the side by the gadgets and you match the codes