no.
You have to be a Moshi Member.
There is no code for the Disco Wallpaper on Moshi Monsters.
To get to the underground disco, you have to be a member of moshi monsters.
There is a scary looking door in the Underground on Moshi Monsters, to the left of the entrance to the Disco. This door was part of Super Moshi Season 1 Mission 5 "Pop Goes the Goo Goo". During the mission you have to unlock and open the door to find the secret C.L.O.N.C. lab.
You cannot do graffiti in the Underground Disco on Moshi Monsters.
To get the Disco Don Medal on Moshi Monsters you have to get a perfect score in the Underground Disco.
There is a code to get the Animated Disco Floor on Moshi Monsters. Animated Disco Floor: PUZZLEPALACE
You can't. You have to be a paid Moshi Member on Moshi Monsters to enter the Underground Disco.
Hairo Sniff is a moshi band in the Underground Disco on Moshi Monsters.
You have to be a member. Only members can go in the underground disco.
There's a guarded door in the Underground Disco that cannot be opened. What is behind it remains a mystery.
You have to be at least level 4 to get the Disco Ball on Moshi Monsters. You can buy it at Horrods, however, you have to be a paid Moshi Member to shop at Horrods.