a useful game code which I often use is...
FANNY!
the code is in the back of the manual of the game
iheartaustralianopen
typing in the code for the online game
It differs in what game sharks you use in the game. If you know where you got that code from then the master code should come with it... You can usually find them online.
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at the workshop on the game online
If you buy the game then there will be a code with it.
to get nipper their is a code to nipper but you have to buy the moshling zoo ds game
fast speed zoom
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it is a cheat code that you need to look online or in a book for the cheats and game ID