dm: I've only tested it on 2.2.6 specifically, but I'll be shocked if it doesn't work well on earlier versions, seeing as how it's almost completely standalone.

Boofo: no, there's no support for multiple correct answers...again, maybe 2.0...it'd be tricky, but it's do-able. You can have more than two answers per question, though, of course. You can add as many as you want. Using it on my site, I have four answers for each question.

So, you can add as many possible answers as you like per question (you're not limited to true or false)...however, only one of them can be right.

Nice script...you are missing this variable though $mainquizlimit and I had to add it to the top ( $mainquizlimit="10"; ) of quiz.php to get it to work...I searched the new tables and don't see a setting for it and its not in the admin cp either...

It's near the bottom of the vBulletin Options page, just as the instructions.txt file details. :) You need to press the submit button once, I've found, to "confirm" that the data is there for it to work properly.

Thx...didn't see it....

i did that before :) still go the blank page

will this work on older versions, 2.2.2?

It should..

ok just installed on 2.2.4 there wa no errors, it was very easy to install nice job :)

but now I only see blank page :( (I pressed the submit button )

I don't understand. Where do you see a blank page?

Very impressive. Great hack!!