D&D General Master List of Benn Riggs' D&D Charts and Graphs

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So back when Ben Riggs was promoting his new book, Slaying the Dragon, he posted a lot of charts and graphs about the data he gathered in the course of his research. Unfortunately, most of that data was posted on his Twitter (now X) feed (and, I think, his Facebook page) rather than in the book itself. Fortunately, a lot of those charts were posted here (courtesy @darjr), but they're scattered around various threads, which can make them rather hard to find for aficionados who want to look for them again.

As such, I'm starting this thread as a repository for all of Riggs' charts and graphs that I've been able to find. Given that there are several dozen, I'll break them up among several posts so as to keep things manageable. And of course, if anyone finds one that I missed, please post it here! Hopefully, this will serve as a convenient resource for those who want to look back over the history of D&D.

To start this off, here are Riggs' charts on Basic D&D:

 

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Next comes AD&D Core Rulebooks and the Manual of the Planes (and one AD&D vs. Basic D&D comparison):

 

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With Basic and AD&D out of the way, we'll start with campaign settings. Going in alphabetical order, Al-Qadim comes first:

 

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Next, Birthright:

 

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On to Dark Sun (and also the first of a few clips of what looks like a spreadsheet Riggs used):

 

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Next comes Dragonlance:

 

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And now the Forgotten Realms (with a bonus spreadsheet entry for FR and Spelljammer):

 

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And here comes Greyhawk, with a comparison entry for GH and Dragonlance:

 

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Next on the list is the oft-forgotten Lankhmar!

 

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Following closely is Maztica: