Very cool and humanistic idea. A mini photo essay by one of the early players.

Brilliant game, being made into a into a full version but you can play the original until then.

The Witness is a game you should play before you watch this great video!

Pirate Game is short and fun.
The paradoxes are not as fun, but this one may come in use some day.

Massively multiplayer online crowdsourced games (MMOCGs) are very smart. I’m not sure of their specific history, but one of the first to become well known was Twitch Plays Pokemon. Another popular and innovative game that is currently ongoing is The Button. A cardinal feature of MMOCGs is the complex, emergent culture that they generate.