I think it is a really interesting idea! If I were to make one change, I would change the scaling buttons to keyboard keys, as the coloured blocks could be hard to hit at certain scales
Ah yes, the movement speed. I was wondering whether I should have made him faster, or if that would have made the game too easy. I am glad you liked the game.
Very creative, yet I can't really figure out what the different units are supposed to differently. The spearman seems to be the best unit? I did manage to beat the factory though, so I must have been doing something right.