What could be more geeky than huddling in your lounge room in front of the TV once a year, watching X X present Test The Nation: The National IQ Test with your family or housemates, perving on Phillip Schofield or Danny Wallace (or even Anne Robinson, if you’re mentally deranged)?

Nintendo has come up with the answer, by launching the Britain’s Brainiest Family competition, which kicks off this Saturday. The idea behind it is that you and your family (oh, how I wish they’d accept groups of friends – surely friends are the 21st century family?) compete against other families across Britain, playing…