To obtain unlimited Master Balls in Pokémon Emerald using Code Breaker, input the master code ( 00006FA7 000A , 1006F5CC 0007 ) followed by the item replacement code ( 82005274 0001 ) to change the first shop item at any Poké Mart. This method requires entering the codes into an emulator's cheat menu, visiting a shop, and disabling the cheat after purchasing to avoid potential file corruption. For a full list of codes and steps, visit Pokemon Coders .