CPPS (Club Penguin Private Server)

CPPS's are fake Club Penguins that allow users premium privileges, such as cursing, name glow, and obtaining items for free.

Trivia

 * These can be harmful for your computer and cause it to shut down and not start up again.
 * www.cpps.me is one of the most popular Private Servers.

For more information, visit the Club Penguin Wiki page