spreading jam

With the snow beginning to fall in W1, and the days drawing in like a collar against the cold, the elements are pointing towards one thing:

Christmas is almost here!

To celebrate, i-level has gone and created a christmas cracker of a game: Rooftop snowball challenge

Despite a misspent youth playing duck hunt, I’ve only been able to muster a score of 23. See if you can top it, and let us know in the comments.