Thank you so much for your thoughts!
I'll just respond to a couple :)
1) Good thinking – I got my partner to do some playtesting and she had issues with the sensitivity of the mouse controls, so I think given more time I would definitely implement an options menu that lets players choose different controls styles and change the sensitivity.
2 & 3) I too thought this in hindsight. I think the game needs more gameplay elements, and varying weapons, powerups and enemy types would be the next thing I'd add.
4) Indeed, headshots do actually give you extra push! Also, shooting an enemy in the "leg" gives even MORE push. Great feedback, because if this wasn't intuitive, I guess I need to make it way more obvious and/or add a little explainer/tutorial.
5) Great thought!
Thank you so much for your thoughts. Really appreciate you taking the time!!