Do you plan on adding backgrounds to it? I don't have a problem with the tiles themselves; they're pretty nice looking.
The thing that
is bothering me is the flat black background. The tiles themselves look like they belong in an SNES game, whereas flat color backgrounds definitely don't. It's kind of jarring!
Edit: Played the game. Lack of music and background is ultra depressing. I played about eight levels because the gameplay is definitely neat, but the game's atmosphere killed me. Add some cute classical music or something if you're not a composer yourself. And if you don't feel like making complex backgrounds (if it's due soon or whatever), you could always go the puzzle bobble route:
http://www.youtube.com/watch?v=ZYsd8fM9Aq8Actually, the music is great there, too. I got ridiculously far in that game when I was a kid, and never got sick of the music, even though it just repeats forever. The way the music speeds up when you're about to die is great, too, but I don't know how you'd implement that in your game. Maybe it'd work when the robot is about to fall into lava or something...
And I filled out the questionnaire thing for you, but I basically just repeated what I said here, lol.
Edit edit: Also, the bot's animation is very nice. Also, I kept on wishing there was a button to make him walk faster, especially when I had the puzzle completely solved. "Hurry up, you little bastard!" Also, I kept on hitting space for fast drop, which ended up making me reset levels over and over again, hahah. Ended up getting used to it though.
Edit Edit Edit: Beat the "Easy" levels now. Your game is a bit glitchy though. Right now the reset button doesn't work half the time. Also, I went through the level menus, shut off the menu, and then re-entered it, and all the easy levels were listed as Hard, with all the other menus being empty.
