Downloaded to 1GHz G4 PowerBook, 1GB of RAM. Game launched, went to black screen, and music started playing. No picture. Hitting ESC revealed the menu bar where I could only resume or restart--both of which returned to the black screen. Quit game and deleted it. Possible reason--I have a VGA secondary monitor attached through the DVI adapter. Does the game not work with dual monitors? No matter, because if it doesn't, I'm not going to disconnect just to play the game. Oh well.