Club Penguin

Club Penguin was an MMO aimed at children aged between 6 and 14 where the players' avatars are penguins. Players could decorate their igloo, chat, and play several games. Being a member cost money, but the rest was free.

The servers were shut down March 29, 2017.

Gameplay
The gameplay of Club Penguin was simple; make a penguin, pay a membership (optional, but did provide advantages), then waddle around and meet new friends.

Locations

 * See Club Penguin Locations

Development
The predecessors were called, in order, Penguin Chat, Football Penguin Chat (A special edition of the original and Penguin Chat 3.)