No missable achievements (plus 12 unknown)
Sign in with Steam or Xbox to track your progress, and:
Bad Ending I.
Bad Ending II.
Can scan new pages for the team.
Can find out prerelease shortcomings.
Can purify pages, make them clean.
Can translate some texts from language to language.
Can type texts to the images.
Can read and correct texts after translator.
Be a true professional!