Answer 1

pain. Looks like if I were good, it could be fun.

Answer 2

It took me a while and the run is garbage, but that wasn't *too* hard.

Overall really fun - I thought the use of single tiles, slopes, and attacking dust made for some interesting, fast paced gameplay.
And although the visuals were simple your colour choice made it look good.

My only complaint would be that the checkpoints could have had better placement.
The first for example was way too soon to be useful, and some of the others I felt were in positions that made it a little hard to get back into the flow.