Captioned words:
Place the pointer on the dot of the letter "I" in the word "Lemmings" on the title screen. Press B. The word "Hi!" in a cartoon balloon will appear to confirm correct code entry. Begin game play to see words appear over the Lemmings when they make a sound.

Sound test:
Place the pointer over the hole in the tree in the lower left corner of the title screen. Press B. The text "Music Test" will appear to confirm correct code entry. Press B to change the music.