You may have already noticed this if you're a regular of our forums (as you should be) or astutely follow The SCUMM Bar's twitter feed (they have a twitter feed?), but a few days ago a reader named joepinion posted a thread where he shares a flowchart he made for all of the puzzles in The Secret of Monkey Island, encapsulating the entire game in diagram tree form - just like the real game designers do! Lookit.
Source: Mojo Forums
Still, this is pretty awesome.