Okay erm wow. I have alot of feedback but that doesn't mean i didn't enjoy the game that means i played it so long that i got this much feedback for you lol.
First off: I really really loved the game, there was so many good things about it and for 48 hours work it's really quite amazing!
Okay so onto the feedback: The voice acting could of been better it didn't take anything away from the game but i don't feel it added much either after a while to start off with it was okay but after the third or fourth time i heard "turret upgraded to level #" it got more annoying than anything.
The music i loved to start with it really fit well but did get a little repetitive but not the most repetitive music i have heard it was only a slight issue
The passive income didn't seem to do that much it felt like it was a bit of waste of money same with the spread shot (Maybe when you get the spread shot it also increases the number of shots as well?)
The progress slowed down quite dramatically the further you went which was a little disappointing i would of liked a nice steady progress.
I can see this game getting places. The concept is amazing and so addictive. If there was more upgrades, more enemies, different ways of earning income i think i would have a lot of fun playing the game and i would play it everyday with enough content in it.
Overall great game one of the best i have seen in the compo! Graphics was spot on, sound effects was great particles really fit in nicely and the movement of enemies was fluid and felt great to shoot at them!
I would love to see more from this game! Good luck if you decide to develop this game further!