I got the audio to work off stream! I liked the upgrade system, although I felt myself wishing that all of the upgrades were as interesting as the fire trail. Intentional or not, I really really liked the enemies stacking on top of each other, it was fun little "feature".
Thanks for sharing with my stream! Here's the VOD of your game: https://www.twitch.tv/videos/2253652240?t=02h31m27s