Quoted from TheShameGovernor:I'll add my Flash Gordon vote.
This game gives zero f____ about you, and lets you know it every. single. ball. - And yet, the more I play it, the more it secures itself as a permanent part of my collection.
A good game on Flash Gordon will make your mustache grow a little thicker that night (careful ladies!).
Another Flash Gordon vote here. Brutal game but addictive as all get out.