Player have birth every 2 month, it was so fast. I suggestion team to change birth to 356Day or back to 1 month. 
By default, a year has always been 60 days, but in a custom game, you can change that to be anywhere from 30-365 days!
I think it can change the days of birth in the template of tutorial like easy is 90, medium is 60 and hard is 30.
In what ways would you see that changing difficulty?
like the story mode’s difficult
I understand that. But what would make 30-day years easier than 90-day years?
That will make tax is fewer but give tax frequently and more tax in the same time 