That's very fun, fast-paced and definitely very replayable game! Love the graphics and music, they really fit to the gameplay and to each other. Though I'm not sure how much game fits to the main theme "Falling", but boxes technically falling from the sky, so I believe it counts...
By the way, I'd suggest to make logo smaller on the game page - it takes whole browser screen and at first I thought that game is froze, refreshed the page and it didn't help. And just when I was about to close the game, I found out that I just need to scroll down to actual game :D Or maybe I'm just dumb, who knows :)