Everything in the maps is just way too close to each other (paths are too narrow, making maps kinda unpleasant), I really don't like buildings design, and snowy maps are just ugly, trees have too much snow (in fact there is simply too much snow on everything) and icy water looks like a circus tent. And music sound kinda gameboy-ish with that quality of sounds.
Except for that, everything else looks cool. Map design is good in other aspects (the way you have used the tileset). Textures look interesting, except for shadows, since buildings seem to have too long shadows compared to, for example, the trees. Sprites are even more cool. Story seems quite interesting, though not enough to make me want to pay a lot of attention to it.
Above all, from what I've seen so far, I'd say:
Idea and story: 6/10
Mapping: 6/10 (would be 9 if paths weren't so narrow and everything wasn't so close)
Tileset: 7/10 (buildings don't fit to everything else, and snowy maps either)
Total score: 6.5 to 7
So far at least, of course that's just my opinion