Well, the code is pretty much given to you if you take the right actions. Regardless, it's 4123.
4123
You use the trumpet you get from the Goomba Fortress in World One and you make it a sticker and place it near the wiggler such as you did with the fan near the windmill.
No multiplayer
Paper Mario Sticker Star's date is Christmas 2012
No. It's for the 3DS.
The faucet.
in the mansion
you cant, but the sticker he sells its not worth it (its a poison mushroom)
November 11 2012
Paper Mario Sticker Star is on the Nintendo 3ds. My opinion on that game is not as good as the other 3 games before.
password super mario3
Paper Mario sticker star is a Nintendo DS game that can be purchased at your local GameStop store. Also you should be able to find this game at your local Walmart, Office Max or Target stores.
e-shop (it costs less)