I like the idea, but the mass-production area of the game leaves a bit to be desired! I wish you could buy workers in particular in batches, and not have to go through the menu each time with multiple dialog boxes. Somewhere after 50,000 gold FireFox found the game to be unresponsive too, and let me either kill the script or wait... and if I waited that dialog would just pop up over and over, so it seems like maybe resource usage with the game spirals a bit out of control when you keep building? Unity overall has always been a bit heavy to run, but it's been a while since I last played a game that actually crashed...
Game-wise I like it, though! Shows potential, but hope it might be polished and improved a bit. Maybe something to submit for a game jam, too? ;) Keep up the good work!
-cd-