If you purchase two Frito-Lay variety packs you can get a free Hasbro board game.
The games that came up when I added my codes were:
Their ad shows Clue, so I'm not sure if the games you can choose from are randomly shown or if they remove games as they become unavailable. In any case, for roughly 12-15 bucks you can get a decent family board game AND potato chips!
Link to the promotion site: