Found the game unplayable after the latest update. So giving it a break and hope they fix it!
My game started crashing when i laid paths and all of my saves corrupted.
Mine is a guest related issue where now I am losing 50k a year, something they have broken since the last update.
With corrupt save go into my zoos and delete the most recent file if you have backups and load the back up, sometimes this works and you can play it again.
all my backups, autosaves corrupt. I got disgusted and uninstalled it for now.