CheatCodes.com has all the official Shanghai Pocket Game Boy cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Friday May 24, 2013 for Shanghai Pocket are shown below.
Note: This hint only works in the Shanghai level of the game. Not in either of the multiplayer levels. When on the stage selection screen, press the select button. This with bring up an option type screen. At this screen you will have the option to toggle time limit, difficulty level, and the tile sets. To return to the stage selection screen go to the Return function at the bottom of the screen.
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