Competitions with neighboring settlements could be a lot of fun.
Chess matches
Billiards tournaments
Horseshoes tournaments
The winning team gets a big mood boost. The losing team still gets a mood boost, but smaller.
Do it like a party or wedding.
This could be a cool feature, but for the next alpha. A lot of faction interaction (ooh, rhymes!) is coming! :P
Yes, this is definitly a cool feature. Must have!
My people rarely play Chess though :(