Double Dragon 2: The Revenge
Select two-player B mode and begin game play. Keep defeating
player two to gain up to seven extra lives.
Continue game play:
Quickly enter one of the following codes at the game over
screen after completing the indicated level. A "Continue/Start"
option will appear. Press Start on controller one to continue
the game at the end of the last level played.
Levels 1 to 3
Press Up, Right, Down, Left, A.
Levels 4 to 6
Press Up, Down, Left, Right, B,
Levels 7 to 9
Playing level 4:
Press A(2), B(2), Down, Up, Right,
Left on controller two.
Pause game play and wait several seconds when the door on
the helicopter opens. The door will close when game play resumes.
Playing level 9:
Level 9 only appears if the game is played under the "Supreme
Master" difficulty level.