Airplane Demo
Using Cesium Globe, Control a plane

CSS Game Engine
JS+CSS

CSS Sprite Engine
Used in above

Geolocation
Find your online friends

Chess
Multiplayer & Chat

Chat Room
Chat Example

RPG demo
Not Maintained

Draw Together
MultiUser & Interactive

Arcade Engine Idea
Experiment (precursor to CSS Game Engine)

Avalon
Boardgame port Experiment

Notes:
1. Some demos may have no encryption
2. Demos are not mainained