As Pokemon Quartz is a hack of Pokemon Ruby, I'd imagine Quartz would use the same codes as Ruby.
Game shark codes
Answer go towww.supercheats.com
Easy just put the game in the game shark and enter codes you know.
get ds game shark or actoin replay
get it with a game shark
you have to use cheats from the game shark
ther is none inless its on a game shark.
You cant, Only you can use a Game Shark.
Game shark or Action Replay
Pokemon Quartz is not a real Pokemon game.
Pokemon hacks are legal. it is site hacking which would be "illegal" Pokemon Quartz is a hacked game. Yes they are legal and if you are planning on making a game to put on the internet, then you need to know the Format and Game Codes before you do so
There are to many codes for them all to be posted here! Visit their official website for them.