Hidden options
Press [A] + [B] + [C] when the brick wall with hieroglyphs scrolls past during the opening screen. A hidden options menu will appear allowing character selection and other choices.
Fight as Roney Urquidez and Sunny Urquidez
Enable the "Hidden options" code. Then, choose Roney, Sunny at the "Start Men" option. You will now begin game play as Roney Urquidez and if player two joins in, he or she will be Sunny Urquidez.
Fight as Chin Seimei and Chin Taimei
Enable the "Hidden options" code. Then, choose Seimei, Taimei at the "Start Men" option. You will now begin game play as Chin Seimei and if player two joins in, he or she will be Chin Taimei. Note: Chin Taimei is Chin Seimei's brother from
Double Dragon and
Double Dragon 2.
Fight as Ooyama Masahiko and Ooyama Nunio
Enable the "Hidden options" code. Then, choose Masahiko, Nunio at the "Start Men" option. You will now begin game play as Ooyama Masahiko and if player two joins in, he or she will be Ooyama Nunio.