interwyrm said:Wasn't there a 1e or 2e module called reverse dungeon?
kaomera said:Yes! In short, the PCs have become the BBEGs!
I think the OP has the Nazi regime more in mind . . .Quartz said:You know, this could be fun, but I'd suggest doing it a la British Empire, where the characters can maintain the fiction that they're doing it 'for Queen and Country'. Or the Roman variant.
Tyler Do'Urden said:I look through years and years of products for D&D, third party or Wizards of the Coast- and there just isn't much for the DM that wants to run a campaign based around villainy, at least as far as adventure modules or paths specifically devoted to evil are concerned. I'm sure there's a demand- why isn't anybody filling it?
Let's play the villains.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.