I am thinking something like the economy simulators of the 90's (think Sim City). Random events will come up that you have to deal with.. Like infestations and fungi/bacteria. The likeliness of them triggering could be directly affected by conditions where those are more likely in the real world. Humidity over 60%, and well into flower? Guess what, your chances of getting mold/rot just went up by x percent. Things like that. Yes, this is how my somewhat still intact brain functions.