Allow me to say that these are spiffy, I would definitely play this game for the aesthetic properties.

I agree, the dino bones are much too bright and distracting. Maybe you could make the colors something like the pipes, but a bit darker?
Also, consider "robot skeletons" instead of dino ones.

The animation of the tile-destroyer should be faster, but I guess that's something that shouldn't be mentioned atm.
I don't enjoy how it's pushing the tiles instead of disintegrating them, an explosion would be better, imo.
Hope to see more.
