Polyup.com - creative math expression puzzle games
Autodraw - Machine learning to help you draw!
Semantris Word Association Game
Chrome Canvas - Open Whiteboard for drawing
Chrome Music Lab - Fun music tools and song makers
3D City - a basic browser version of "Sim City"
If It Were My Home - compare statistics between countries
Atlas Obscura - Learn about this quirky world of ours
FreeRice - Answer questions to improve the world