Show canned hints
Have you solved Infinite Corridor Simulator? You might want to look at that puzzle before trying the meta.
You don't need to solve every puzzle in this round! You should be able to figure out the answer to this meta by solving only a handful of puzzle of each type.
In particular, in order to figure out the message corresponding to a puzzle, it often suffices to figure out just 2-3 of its letters.
Oh no! The infinite corridor is actually infinitely long! How can we fix it?