MS has gone to great lengths to reach that goal. There is even special code in Windows to ensure the DOS version of SimCity works: http://ianmurdock.com/platfor

MS has gone to great lengths to reach that goal. There is even special code in Windows to ensure the DOS version of SimCity works: http://ianmurdock.com/platforms/on-the-importance-of-backward-compatibility/ http://ianmurdock.com/platforms/on-the-importance-of-backwar...