When shooting lemmings through the super scope they will explain almost like if they were bombers. Like in the last Egypt level you can use this tactic when your stuck and do not want a perfect score but may just want to try the tip out for fun.
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 bubble will appear to confirm correct code entry. Begin game play to see words appear over the lemmings when they make a sound.
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.