FireyFly

While we're at it, might as well link to the Movies featuring Nmap page on Nmap's website. :)

Her family history isn't for the faint of heart, either [...]

I wouldn't mind (either of) you to expand a bit on this (assuming, of course, that you're both fine with it).

Rubicon is a little Java game in somewhat the same genre as well, for what it's worth. A bunch of fun puzzles to solve, at least the first time around.

When you try different languages, it helps you think in very different ways, all the great programmers know more than just on language.

I second this, and would like to emphasize that it's even moreso rewarding to learn different types of languages—those belonging to completely separate paradigms. Try out a functional language, a concatenative one, maybe an array-oriented one, or why not try some logic programming...