Just move Rudolph with your up and down arrow keys, pick up the presents and avoid the snowmen and Christmas trees. And look out for the fast moving ram!
It's a deceptively difficult game - easy to play, easy to lose!
They claim it is to raise money for save the children, but it's also a convenient email harvester - but you don't have to supply details if you don't want to - and it costs nothing to play!
I haven't managed more than 27 presents picked up - yet!