Well, it was good while it lasted. I played SimCity 4 with NAM 37 for many hours, but now when the game loads it crashes to the desktop. I have (had) 40,000 people in my city. I wonder if there is a limit which crashes the game. The geniuses at Apple changed how crash logs are done (in Sierra), so troubleshooting is more difficult than it used to be. Crash logs are now even more a mystery. I tried using Howard Oakley's helpful programs, but I can't make much sense of them.