Awesome game with clever mechanics and levels. I found it a bit irritating that the enemies turn direction while connected. Or at least that they are not perfectly aligned with the grid while moving. Also, I found it a bit hard to anicipate where they are shooting by just seeing the particles. The particles were very fast though. Maybe I would highlight the tiles, too?
Also I would love to have an undo function, where I could just undo a couple of steps, so dying would feel that punishing.
Nontheless, a very good game for 48 hours, very well polished, clever levels, nice art style and music. I like it very much.