The playground is a place where you can chat with other Meows from all over the world.
Actions that you do in the playground, also affect your browser pet.
For example, dancing in the playground will make your pet happier.
Skins that you buy in the playground, can be used on your browser pet.

Leveling
The number next to your name, indicates your level.
The level is increased automatically based on your activity in the playground
Walking
You can click anywhere on the map in order to move to that spot.
Double clicking will make you run.
Throwing
You can throw yarn balls by pressing the spacebar.
However, some rooms are considered "Peaceful" and you cannot hit other players.