This is a horrible question, but I think use cheat codes to figure it out
the case of the missing puffles
50
i don't now
the secrete word is mogul
mogul
They are on top of the mountain.
The puffle mission on Club Penguin is called "Case of the Missing Puffles". It is mission 1. You can only do it by being a secret agent. See the related links below of how to complete the mission.
light house
POoh Pooh
find aunt artic's puffles
mission 1: mogul
To get the cheats, go to Google search and type in "club penguin cheat guide to mission 1" and it will either come up with a video or a website that has the mission guide in steps.