Double Dragon 2 Cheats
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, A(2).
Levels 7 to 9- Press A(2), B(2), Down, Up, Right, Left on controller two.
Playing level 4
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.