The initial idea is interesting, and there's a lot of way for improving gamedesign

There is no incentives to not hold the space bar enough to cover the whole terrain right? It's difficult to evaluate the game fairly if it's impossible to play it.

The idea is interesting but it doesn't work I guess. Maybe blocks generated with a smaller radius terraform could give more points? Or the number of points given by a green block could be inversely proportional to the distance to the player when it was generated.

I like the concept of terraforming while dodging enemies. It seems like the side effect of making blocks destroyable by enemies is fairly low-risk - even though it reduces your possible score, it might be a little more interesting/difficult if they could destroy multiple blocks in a radius, or undo terraforming work, etc.

It's a fun idea that would be interesting to see expanded upon. The game is maybe a bit too easy, could be more challenging as it was quite easy and fast to win.

-_-