I found a site with some cool Excel games, so I thought I'd share. My favorite is the link to the Pokemon game, which is a Memory Game-type spreadsheet very cleverly designed. But the rest of the site has some great Excel tips, if you can read Portuguese (I can stumble through it well enough).
And here is the Pokemon game:
http://www.cyberbolsa.cea.ucp.pt/informatica/download/guess.xls
(bad link)
Enjoy,
JP
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