The most old school board game is...

[Bard]

...the Royal Game of Ur:



History: www.ccgs.com/games/ur.htm

Rules: www.mastersgames.com/rules/royal-ur-rules.htm

Now, I just need a way to introduce it to my Mesopotamian themed AD&D campaign...

[Bard]

The wikipedia picture of the original is better :

[apeloverage]

In a recently translated clay tablet a scribe reports that the new version looks great, but he hates how you need miniatures

[greenfielder]

That remark right there is worth an exalt!

[apeloverage]

Thanks

[chgowiz]

You can play the game here: www.mesopotamia.co.uk/tombs/challenge/cha_set.html