Popping 9,486,911,387,129 balloons with overpowered upgrades

I love bloons. We've played it a lot on this channel, so let's look back at some of the best ideas we've tried. Game: Bloons TD 6 - https://store.steampowered.com/app/96... Music provided by: (Epidemic Sound) http://www.epidemicsound.com/