the art is awesome and the concept is really good. the snow collecting is a joy to behold!
the game slows down a bit, perhaps because of the scoring system(you can just wait; perhaps linking it to more active elements like the shoveling would help(?)) and the slow buildup of a fail state(maybe if the snow collected faster or the neighbor returns more ice(or even damages your lawn irreparably)), The random turns of the green guy(if there's a pattern to this i haven't figured it out) hurts it a lot for me; i would've enjoyed more predictability to his movement..
Anyways, sorry about the wall. I guess I liked the game a lot, haha!