Use More Than One Code:
Want to use more than one code? well now you can. where u would normaly enter a code, enter one. then press enter, and enter again. you will come to the level selection screen. press escape(esc) to get back to the "select player" screen, and then press delete/backspace and reenter another code. press enter twice to get back to the level select screen, and keep doing this until u have all codes you want entered on. than when you are done, select your level.