Death metal is not my favorite genre, but since it is about giant robots, then I (a mechanical engineer) had to listen. My favorite part is the galloping rhythm guitar part at around 1:00 with the lead guitar (nice). This is some of the better death metal I've heard. Perhaps you could review my music at this link:

I wasn't really into the vocal style but that comes with death metal hahaha. I did like the lyrics though, they got a laugh outta me a few times. The mastering was pretty good I think, something I can take a que from. Some of the leads reminded me of old video games I've played before, which was cool. I guess it comes with the premise of the song lol. Very nice overall man.