A Nightmare On Elm Street Cheat Codes for DVD Video

Hidden alternate ending (Box Set disc)
Go through the Labyrinth to reach a locked fire door in the Nightmare Encyclopedia game. Enter 20 to activate the proper shapes and unlock the door. This will unlock the second alternate ending to the movie.

Credits
At the main menu, press Right to highlight the New Line logo. Press Enter to view a credits screen featuring the developers of the disc.