That BoardGameGeek.com link is da bomb. Thanks!
Another great game, quicker than chess, but same sorta concept is Goblet
Touring the card game.
Some of the mechanical nail puzzles and the like are great.
Headache was one of our family favorites.
Cootie
Yatzee
Clue
Mille Bornes
Hearts
Mancala, for all ages. There’s nothing quite so humbling as having a five year old beat you at a game that’s just picking up a handful of pebbles and dropping them in cups.