There are various types of music that are played in most areas of Project Penguin. Some rooms always have music, like the Pizza Parlor, while sometimes rooms have music for special occasions only. Igloos and Games have music as well. Most pieces of music lasts about 30–50 seconds, and are looped.
Project Penguin's script-based music files have a prefix of:
- The generated titles at the number.
- The numbers are for Roblox, Project Penguin, Club Penguin Music's.