If people run into issues or have Player.IO questions, I have a tendency to create examples. I thought it might be useful to make a single thread where all those examples could be found. This is that thread.
Multiplayer Asteroids
Open source Player.IO based space game.
Try game | Source Code
Kongregate user API Example
Modified version of Drawpad that using the Kongregate user API
Try game | Source Code
Global presence system
System that allows global online lists and gives the ability to send messages to users in other rooms.
More info and source code
Facebook API Example
Use the facebook API to load friends and post to wall after authenticating with QuickConnect
Try example | Source Code
Using Player.IO with Adobe Stratus
Chat roulette clone written using Adobe Stratus for camera transport and Player.IO for matchmaking
Try example | Source Code
BigDB Example
The BigDB example is now part of the developer package.