To get a random Page except the last one you could use something like this in your Init script:

var minPage = 1
var maxPage = 50

function nextPage() {
pages.goto(randomPageExcept(pages.getCurrentPageId()))
}
function randomPageExcept(oldPage) {
var newPage = "page" + (Math.floor(Math.random ...

Two small things i noticed,
i think you forgot to remove the latex notification in the ending screen
and page 14 does not continue to the next page.

But other than that quite a nice tease.

Thank you for the help

Hey, how do i get a button on the side in the eos editor?
Like this: