Oh wow! Incredible job! I think my personal best was something like 40 or so :P
How did you feel about the difficulty scaling towards the end? i.e. amount of fire spreading/house building space/quota amount etc.?
the primary issue i run into at the end was finding space to build without overcrowding, and i lose due to not meeting the quota. even at 100ish the most fires i ever have is probably six or seven, so i think you could increase the rate at which fire spreads after around 80+ folk and still have a balanced difficulty level.