To cheer up your moshi monster click it with your mouse, this will do all sorts of things such as make it talk or tickle it. If you click it when its angry you may make it even angrier, so be careful!
Go to the Gross-ery Store on Main Street and buy some food with rox. Feed it to your monster and it's health or happiness rating should go up. You could also tickle your monster with your mouse but not when it is angry. If you do it when your monster is angry, it will make it more angry so be careful!
Try giving your monster a little attention, this should cheer him/her up.
You do not need a secret code to get a Moshi Monster. You get your Moshi Monster when you sign up for your Moshi Monsters member account.
You can make up your own name for your Moshi Monster. You choose an owner name and also a monster name.
The largest Moshi Monster is the Furi. Just select the Furi as your Moshi Monster when you first sign up for a Moshi Monsters account.
There is no code for all the Moshi Monsters. You can only have one Moshi Monster per account and you choose the monster when you set up your account.
Feed it
You can not delete your Moshi Monster. Once you have chosen the monster for your Moshi Monsters account, that is the one you keep. One suggestion is that if you want a different monster, you can sign up for a new account on Moshi Monsters. By doing that, you will have to start over with your Moshling collection, etc.
The highest number for happiness on Moshi Monsters is 999.
There is no code for Luvli's. You choose your Moshi Monster when you sign up and that is the monster you keep.
Katsumas are a Moshi Monster. There is no code for Katsuma. You adopt the monster of your choice when you first sign up for your Moshi Monster account.
Moshi Monsters trading cards are called "Moshi Monsters Mash Up Trading Cards".
A Luvli is one of the choices you have for a Moshi Monster. You choose your Moshi Monster when you first set up your membership account.