CheatCodes.com has all the official Play Novel: Silent Hill 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 Wednesday June 19, 2013 for Play Novel: Silent Hill are shown below.
Successfully complete the game with Harry Mason and get any ending. Then, press Left or Right at the character selection screen to use Cybil Bennett.
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