Description: Once there were knight brothers, each of them has a magical sword. The evil wizard wanted to get them, he cheated the knight brothers into his castle and set a lot of organs, could brothers defeat the wizard and go out?control:p1 control:"ad" move, "w" jump, "s" attack, jump to switch. p2 control:"←→" move，"↑" jump，"↓" attack, attack to switch.