Managed to make it through the demo after the game decided I am a hopeless case and granted me invincibility. Not sure what happened, maybe I hit the debug key. I noticed it happened after I activated hell time and I could no longer activate hell time after that, so if it's not a debug key, it may be related to that.
Other than that, I never figured out how to change forms with the mouse wheel. The browser version doesn't capture the mouse wheel scroll, so I tried the win64 version, but still to no avail. Clicking the mouse wheel button doesn't do anything either.
It's fun learning the patterns, I expected it to be more like a beat em up for whatever reason, so I was pleasantly surprised by the shmupishness of dodging bullets most of the time. And of course the game oozes with style, and I feel cooler just playing it. I hope you can get a musicbro that can make music like the placeholder music you used in the demo, that was amazing how well it fit. That boss form transition man, just perfect.