That's a good score! The answer would depend up on how much time you have left for the actual exam. Instead of solving too many papers, given that you've already done 1300 questions, it would be better to analyse your mistakes in those papers and probably revisit those topics to firm them up!
I would still do Rita's simulator as well. The more simulators you go through from different sites the better as there are differences in the types of concepts and verbiage that you get exposed to.
Edit: It doesn't HAVE to be Rita's simulator. You can find multiple other reputable ones out there.
Currently I am practicing with PMP exam simulator from Prepcast and attempted 1300 questions out of 83% correctly on first attempt. All are attempted in timed quizzes. Please suggest still Rita's PMP simulator is required for more exposure?
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