We also did treasure hunts
Hey, I might have to pinch this idea!
We used to do the run-around to see all the cousins on Christmas Day but the first year we decided to just stay at home, it was amazingly relaxing and enjoyable. So now we do it every year and arrange to see cousins at other times - there's going to be a massive pool party the Saturday before Christmas for one side, and Christmas Eve dinner with the other side.
Our Christmas day usually goes like this...
Kids wake whenever and are allowed to ransack their stockings, but not unwrap presents under the tree (my sister and I had a pact that whoever was awake first would wake the other straight away).
At a pre-nominated time, kids can come and get parents up - once we were old enough, we had to come bearing tea and toast (alas, DN is not old enough for this yet!).
These days, this is about when my parents arrive to join in.
Assembly under the tree, one person plays Santa and hands out the presents one by one so we can ooh and ahh over them.
Breakfast: something easyish to make (pancakes and berries, bacon and eggs and nice fruit) eaten at a nicely set table.
Joint tidy up of kitchen/wrapping paper
Laze around grazing on delightful leftovers from Christmas Eve dinner, reading, assembling and/or playing with presents. Wallow in paddlepool. Join scrum of kids in adjacent park and cul-de-sac for present testing and showing off. Snooze. Watch The Muppets' Christmas Carol.
Evening: walk around the neighbourhood and enjoy the Christmas lights.
I was also thinking of arranging a Boxing Day street party with the neighbours, where we can all bring leftovers into the park and nibble on other people's stuff for variety while having a neighbourly chat. But I'll have to get a wriggle on to organise that!