The controls are awesome and I love the concept. Juicey feeley, me likey.
Partly because this is pretty much what I first had in mind for this jam :-) I decided against the idea, doubting my ability to actually cobble it together in week. I'm glad somebody did build it. Great work!
I ended up making another tetris-themed game. Although it ended up more like the unholy spawn of pacman and bomberman. Check out Tetripocalypse Now, maybe you'll like it :-D