Interesting gameplay, though I think it could stand to be a bit faster (in particular tearing down the machines), I would often kill all enemies in the level while destroying the first and/or second machine. I was also really hoping for a short cut-scene of some kind after completing both missions. The difficulty curve was the same for both red and blue, which meant that if you completed one, completing the other is mostly more of the same. It would probably help to either stylize the gameplay more, e.g. one has more combat, other more platforming (or to make 6 levels of increasing difficulty, and switch them out, as baked orange suggested).