1) iceburg hidden on map
2) hold T and click fastly to make lots of snowballs
3) I know way more but i won't say them wait for someone to improve this answer.
Chat with our AI personalities
in pizzatron 3000 at the main menu at the bottem right there is a switch click the switch and play the game and walla desert pizzas and pinck icing pizzas!
penguin secret agency
there is no secret iceberg in club penguin. unless you have some malasian cheese in your house. then the story changes.
in the draw
I don't think there is a secret passage way on Club penguin because all the available places on Club penguin for members and non members have been discovered and are on the map.
I realize it says in Club Penguin. Unlike the other idiot who answered but no. No houses in Club Penguin have any secret rooms......