Here is how the Club Penguin Cheat works:
1. Go to the membership area where there will be options, that will ask you if you have a Gift Certificate or a Club Penguin Membership card.
2. Then go to the enter activation key for the Club Penguin Membership and enter either these 2 codes in, or any other used code that you can find.
Code 1# 4377 6194 9876 7676
Code 2# 4377 6194 9876 7676
Code#3 4269 9647 7304 6557
3. Then modify these codes to different numbers and you will eventually get a brand new working code!
Here is how to modify the code: ( Note use different numbers )