Thanks for playing!
Your feedback is interesting, will do my best to fix the camera issue. The boss battle is a bit of a tough one as you're supposed to try and rewind as far as possible so that the virus projectile expires before hitting you. But I agree that it was not really easy and nor intended to be this hard!
I really like the idea of having the flicker be triggered when the boss is about to shoot! Will keep that idea in mind.
Thanks for your feedback :) Will take a look at your game.