Running Mac OS X 10.6.4 - installed from DVD version is 1.2. As seen in other reports changing resolution in game doesn't seem to work but I followed the instructions at widescreengamingforum.com to change to 1680x1050 full screen and the game seems to work fine so far - no issues with mouse yet. The only strange thing is the screen goes white briefly before showing the level loading screens which can be a bit alarming as I initially thought it was a crash but after a few seconds the display is back.