I got 33 keys on the N-key test until I ran out of ideas on how to hit more keys
NKRO is not about hitting the most keys. It's about the fewest keys that can never get blocked by others ( I got this wrong before, too).
Can you press the following?
press Q pause (don't let go)
press W pause (don't let go)
press A pause (don't let go)
press S pause (don't let go)
press Z pause (don't let go)
press X pause (don't let go)
and have all six letter appear on the test?