This game isn't bad at all to me. I can agree with some of the reviews here though
The overheat thing is a good mechanic, although it builds up too quickly. I did find an alternative to this where I can dish out as much damage without ever having to worry about the overheat bar filling up however. I can suggest you tweak the overheat bar, so I can actually feel like I'm spitting bullets for a longer time.
The mine robots are the most annoying thing to me. I can't do any damage to them, and jumping over them when there are bunch of robots attacking you can get you killed. I don't believe in the RNG thing, as they do try to explode when they are near you, but they're still a pain anyway.
For respawning, that's something I can sorta agree on with the other reviewers. There are times when there are too many robots, but sometimes I can clear out the area.
I have been able to get more than 100 kills before, I'm proud of that.
At one point, every single enemy spawned except for the first robots you have to fend off when you start a new game.
I really do hope you add powerups to this game, as well as some other content to make it a better experience. My suggestions for power ups are invincibility, and/or no over heat for 10 seconds.
The music is absolutely fitting, nothing bad about that to be said
This game has a lot of potential. It's not the best, but at the same time it's not crap either.