I\'m trying to learn about reverse engineering, using Minesweeper as a sample application. I\'ve found this MSDN article on a simple WinDbg command that reveals all the mines b
Check out this code project article, it's a little more in depth than the blog post you mentioned.
http://www.codeproject.com/KB/trace/minememoryreader.aspx
And this article, although not about minesweeper directly, gives you a good step by step guide on hunting through memory using WinDbg:
http://www.codingthewheel.com/archives/extracting-hidden-text-with-windbg
Again, this isn't about minesweeper, but it has definitely given me some food for thought for my memory debugging, there's a wealth of tutorials here:
http://memoryhacking.com/forums/index.php
Also, download CheatEngine (mentioned by Nick D.) and work through the tutorial it comes with.