jdrakeh said:
[Edit: The free edition of Paladin seems to have been pulled but it's essentially the same game that was released for pay a few years back. If you're interested, I'll ask Clinton if he can't dredge up a copy for you.]
Actually, if you just go to the "Store" portion of his website, you can download Paladin there, as well as a couple of other bits. The free version of Donjon that he had up on his website long ago is gone however.
So... intentional mismatches eh? Hmmm. Well, a few of the ones I've considered:
World of Synnibarr, using Truth & Justice (although M&M 1e and Blood of Heroes are still possiblities).
Exalted, using Marvel SAGA or Marvel Universe or Fireborn.
Dark Sun, using Spirit of the Century. (Not that big a stretch, more the 2E D&D vs small press game)
Battlelords of the 23rd Century using either a chopped down version of the Anime SRD, d20 Modern, or possibly Modern20.
Delta Green using Feng Shui.
Star Wars using Zorcerer of Zo (which is a stripped down version of Truth & Justice).
I'd say D&D using Donjon, but there's already something kind of like that in the form of Questors of the Middle Realms, which is yet another PDQ game.
I admit though, my tendency is to go for rules-lighter games in general. I'll go all the way up to Unisystem (which I think is rules-medium), but that's where I usually draw the line. I waffle quite a bit on d20 implementations liking some and disliking others.