Want to play a game?
This isn't about mapping per se, but does involve the world and a Google map is used when you set up your profile. Anyway, it is a simple and free game that is also a social experiment to see just how connected everyone is in the world. Also, if you actually win you can get 500 pounds.
So if you are interested click here.
"Do you want to play the game?"
That scares me.. makes me think of "Wargames"
.. just don't choose "Global Thermo Nuclear war"
It is global, just not deadly.