Club Penguin

Club Penguin has a Halloween Party! There's also a challenge to gather keys and unlock something!

The first key:

 The second key:

Click it.

 The third key:

Click it.

The fourth key:

...aaaaaand the last key:

 Click it

After you get all keys and unlock the chest you get this:

Click the "GET GOGGLES".

YES!

 

This is what happens when you put the Ghost Goggles on:

 

Ghost Vision!!!

 Then go back upstairs:

Once you click it:

Now you get a Ghostamatron Background!!

This is the secret room:

Now go click the green book with a red bookmark:

A catalog! The first page is also available to non-members!

Very cool party!