At first I couldn't get around the issue with the X11 window titlebar being persistently drawn with the game running in full screen mode. This caused a serious issue during gameplay in that it shifted the entire game area down by about thirty or so pixels, making the use of some of the game's UI elements (e.g. the menu button, the end turn button, etc.) impossible. Turning off "Allow the Window Manager to Decorate the Windows", and setting the game to Windowed mode in the setup application fixed this; maximizing the window allows for full screen gameplay, for the most part. Mouse movement is a little sluggish, and the cursor is somewhat mixed up in places, but it is very playable. Tested on a CD 2.0 Ghz MacBook w/GMA 950 graphics on 10.6.5/CXG9.2.