I'm not going to pull my punches on this.
Bullets are to hard to see. That's stupid.
What's up with some enemies never die, what the hell man!
No way to recharge your shield
It doesn't handle well sometimes it binds up and you can't move. Especially if you have to move fast.
Some of the power ups don't seem to work.
The screen is fat too small. If I have to squint it's too small.
So seven things wrong equals four out of ten. I cut you some slack for good graphics and sound.