Congrats on completing your first jam entry! I'm not sure if this is a bug, but my mutation bar got up to 50-something, but then no matter what I did it just started draining. Once it hit 0, I couldn't shoot anymore. I gave it a few seconds and was about to stop playing, but then all of a sudden I was shooting a steady stream of "bullets." The mutation bar still stayed at 0. I really liked the minimalist visuals. I think they work really nicely with your game. Nice job!