Double Dragon 2 Cheats - GameBoy
Primary Collection of Cheats
Advance to level 4
Link two Game Boys with a Double Dragon and
a Double Dragon 2 cartridge. Turn on the Game Boys and
press [Start] at both title screens. On Double Dragon,
select two player mode and press [Start]. Disconnect the
Game Boys, then play Double Dragon 2 until the player one
continue message appears. Press [Start] to advance to level
4.