Kenzer & Company sued Wizards of the Coast for not having the rights to include the Knights of the Dinner Table comics in the Dragon magazine CD-ROM archive. After the suit was settled out-of-court, Kenzer suddenly had a license to publish Hackmaster—the Advanced Dungeons and Dragons spoof in the Knights of the Dinner Table—as an actual game based on AD&D.
As licenses do, this one eventually came to an end. So now Kenzer is rewriting Hackmaster to be less derivative of AD&D. They are beginning with Hackmaster Basic. David Kenzer has been dropping some spoilers about it on the Kenzer forums.
I love this particular post.