The sign says "Follow the squid shadow but watch out for ink." Then u find a door and you go over it and get the black key pin.
go on puffle rescue on the black puffle and follow the squid
You will get the key when you have rescued the black puffle in puffle rescue three times it does not work
Club Penguin's latest game, Puffle Rescue, is at the Underground Mine.
Play puffle rescue on the black puffles and find the key on the first level
It is in the mine.
Inside the mine
you have to beat all the levels in the the black puffle rescue then when you beat it take the key when you find it and go to the hidden lake. click the door and your in. I've never beat the black puffle rescue before but i know how to get the key.
yes you do have to be a member to play black puffle mission rescue
Puffle rescue.
its impossible srry
In the underground part of the Mine.To go to the hidden lake on Club Penguin you click the map and then go to the forest then you will see the rock on the left and then you put your mouse over it and click on it then it will put you right into the Hidden Lake.
on puffle rescue black puffle follow the squid but go on evrey bubble