I'll start off saying the presentation is good, I especially like the 3D room for the main menu, love that kinda stuff. Further, the visuals are nice to look at. Only gripe is the amount of warping at the edges of the screen, made me sick at first, but I was able to get used to it after a bit. Also, the attention to detail is nice, like the lights flickering when shot.
I'm not in the target demographic for this(only beat 1st level par), so take what I say about the gameplay with salt. While decently fun, I found it questionable using anything other than the semiauto rifles, since you otherwise have to risk changing guns or worse, reload. Suppose it'll make more sense when you make bigger levels. Speaking of which, your page says there are 4 levels, but I only saw 3. If you include the range for that, I guess it's technically right but a decent amount of people don't consider a free range mode a level. I also question the point of jump, seems weird in a game like this, and I can't think of a moment besides level 2 going up the initial ramp to shoot that one guy up top earlier. Otherwise, I had a fun time despite coping with the more in depth gun handling than I'm used to. Level design was pretty good, and I liked the flashbang set piece.
Overall, good game if a few things that confuse me, think you're doing well for yourself.