This one was awesome: http://en.wikipedia.org/wiki/Buck_Rogers:_Planet_of_Zoom#Planet_of_Zoom_video_game http://en.wikipedia.org/wiki/Buck_Rogers:_Planet_of_Zoo

This one was awesome: http://en.wikipedia.org/wiki/Buck_Rogers:_Planet_of_Zoom#Planet_of_Zoom_video_game http://en.wikipedia.org/wiki/Buck_Rogers:_Planet_of_Zoom#Pla... CGA graphics(!), and pushed the monophonic speaker on a basic XT further than anything I'd seen at the time. Unplayable on "turbo" mode :-)