Unlock Modes - Double Dragon: Neon
Complete the game on the indicated setting to unlock the following difficulty settings. The higher the drops from enemies the harder the difficulty.
Complete the game on the Normal difficulty to unlock the Dragon difficulty.
Double Dragon Mode:
Complete the game on the Dragon difficulty to unlock the Double Dragon difficulty.
Please do not be rude to others, what may be obvious to you may not be to the person asking the question.
Also on: Xbox 360, check out those pages for more help with this game.