We played Monopoly the other night (mum, dad and 12YO son) and that went OK.
It's been a while since we played anything else though - am keen to know what you and your tweens enjoy?!
MNHQ Update
We appreciate this thread is a few years old now, but if you've come across it while on the lookout for similar recommendations, our guide to the best family board games has been recently updated to reflect current availability. It includes a wide range of options suitable for players of all ages, all tried, tested and approved by Mumsnetters. We hope it's helpful! 