There are several secret codes you need for doing the game poptropica, however, there is no one super-secret code or anything.
Open is the secret code you can find it on google!
its OPEN
I don't think there is a secret code unless you were talking about 24 Carrot, and you get it from this bunny drone girl in the printer room.
the code is open and you can get the symbols on top of the entrance of the cave
you go to the library and press on the piece of paper on the shelf.
you have to get a code and awnser .as always you5527
The first is LASER, then HAIR, the REMOVAL.
i had it but forgot it p.s. join my multiverse code:CXB33
2014
The only known secret island is if you buy a blimp and get a new code.
you have to go to the girl beside the cave and try to get the page on the top of the cave.