4 days, because I got lucky and hit a purple platform on the first day.
This is a pretty fun game! One bug is that you don't keep your money from the launch that you win on.
The original was much more challenging, I beat all but 1 level on the first playthrough.
I think the starting "defenders" in the cells are crucial, as are the different reproduction rates / max limits of different cells.
 "Hedgehog Launch 2"){kind=icon}
 "Phage Wars 2"){kind=icon}