Mrdrnose, instead of the compass tracking notebooks, why not let the compass track SCP - 4002 instead? We don't need to use the compass to track every notebook since they're very ubiquitous in the language level, unlike the math level. The watermelon is 10 times more difficult to find than all 20 notebooks since the map is so large with so many lockers and trashcans to explore.
And just how fast is Marzia during the final chase when you didn't type any characters incorrectly and when you don't even look at her during the chase, or is she the same speed regardless of whether or not you even look at her?