On level 3, there's some trigger that makes the gold digging civilians all aggro, pick up weapons, and charge endlessly into battle. I'll admit it's kinda funny, but they never stop attacking after that point, even if you make new civilians.

The game is fun, and had me laughing, especially on the catapult level, but after restarting the catapult level the 4th time because it's nigh impossible to manage to hit that statue 6 times per try, I just got too bored and lost all my "fun".. Maybe reduce the hp that thing has or increase the damage the barrels do, because that level really just takes the fun out of things right quick....