Fun idea, and it's fun to play. Your game should get some achievements, I'd visit it again then.
One thing I don't like though - the grid shouldn't be limited. I would love to be able to start in my little hometown, stock up there for the road and go throught the wilderness to a bigger town, or maybe even over the border.
You really should've used the Title-Music more ingame. I always start up the game and let the game-save screen on while surfing a bit around the net, just to hear that awesome track.
Oh no, you didn't just convert the classic Papa-formula into a weaponsmith-game in a fantasy-setting. That is freaking genius, and so much fun. Love it.
Loved Populous back in the days, played day and night. Nice to see such a beautiful hommage. Especially the soundtrack is just glorious. The game is clearly a work you guys can be proud of.
You should really consider changing the scrollbar for the next one. Scrolling from left to right is pretty tiring for the eyes - on faster songs I even kinda get seasick from it. Thats why most rythm games use the scrolling towards you-style.
Who is selling the cars and stuff? I mean, there seems to be nobody around. And who pays me for driving around? This is some weird zombie-apocalypse happening right here.
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No idea. Sounds effective against bosses though. :p