Complex sentence: Those that wanted the code had to go to their local GAME store along with a completed copy of Pokémon Ranger and a DS to recieve a boxed chocolate egg containing the code on a slip of paper.
Split into simpler sentences: Those that wanted the code had to go to their local GAME store. Along with a completed copy of Pokémon Ranger and a DS to recieve a boxed chocolate egg containing the code on a slip of paper.