I wish if you pressed the weapon key of the weapon you had selected it would just switch to the over weapon, switching weapons could get a little annoying and I didn't get the pros and cons of each. I think the assault rifle is better for humans and the rocket launcher is better for the other robot things?
Ejection mechanic really cool, I wish ejecting felt a little more dangerous while also having it less janky to get back in the mech.
The screen shake while shooting the assault rifle was a bit excessive. I think switching to screen shake on hitting enemies would feel better. Also having enemies flash white when hit would be cool. Also this might be a personal thing, but taking out the little guys was a lot more fun than the robots. The robots were pretty spongey.