Strategy, negotiation, resource allocation, intrigue…it has it all!
It can take as long as Risk and Monopoly (I guess), but it hasn’t in my experience. One cool aspect of the game is that the board is unique each time it is played!
I have never played one of the “Sim” games, but I imagine it is a board-game version of that genre.
Check it out!
(BTW: for alternate or shorter versions of Monopoly, check out Seth’s page here.)
Another lo-fi game we like to play with our children is called “Pass the Pigs.” It is like playing craps with swine! It forces them to do addition quickly in their heads, and it is buckets ‘o fun.