I appreciate the detailed feedback!
1. Yes that was something I wasnt really happy with however if I add more content ill definitely add a see further mechanic or maybe just try to avoid offscreen enemies all together.
2. I really wanted to add a trail of text just I felt I was running out of time but I see why avoiding text could be good idea just I really wanted to try and add some sort of plot behind it but it wasnt really that great and probably could have done well without it.
3. I added a explosion that I used on other enemies but I really wanted to make it to where as you took damage your armor would shoot off further showing what I mean by staying together makes you stronger.