My personal favorites are (board)games which create complexity from
simple rules, for example chess, go or FPSs in the virtual world. A
boardgame which comes close to this ideal is
The rules can be explained in less than two minutes and it is great fun!
See below the recording of a nine hour game:
Don’t be afraid though, that one was played using tiles from 3 sets. A
normal game lasts around 30 minutes. You can [buy the game on
(disclosure: the link contains my affiliate ID
) or, if you are in
Romania, you should check out
. There seemed to have been [a site where you could play it
online](http://games.asobrain.com/), but it seems to be offline. There
that this is due to copyright violation on the part of the site and/or
due to the site being hacked.