the game in the mine shack not cart surfer but somthing else it was like this cool penguin saving puffles
In G's droor
I am willing to share it.The key, or the code, is...."key"Or you can ask G and he will say, "key"Club Penguin Username: 9 Susan ( that's me!)
If you mean the one by the underwater cave you have to follow the squid on the first level of rescue the black puffle there is a squid follow it and you will come to a door which the key is hidden in.
you find it at the dance club
The Hidden Lake
key
You can buy a club penguin guide book. Then, look in the content for key merchandise and go to the page.
under the lounge
with a key!
noting
in the library
in the hidden lake