2,251
I lost to the same thing Lizard Dude did. In Spanish.
I'm trying for a better score with knowledge of the answer to this question.
EDIT:
5,438
As far as I can tell, the game doesn't get any harder as you go, and I memorized every question I came upon, so I could essentially go on forever as long as I retained focus.
EDIT2:
24,757
Whenever I look at these still screenshots now, they are constantly moving to the left.