Here is the full list of all 26 The Kids We Were achievements.
Finish chapter 14.
Collected 60 catalog entries.
Finish chapter 13.
Finish chapter 12.
Finish chapter 11.
Finish chapter 10.
Collected 50 catalog entries.
Finish chapter 9.
Collected 40 catalog entries.
Finish chapter 8.
Finish chapter 7.
Collected 30 catalog entries.
Finish chapter 6.
Finish chapter 5.
Collected 20 catalog entries.
Collected 10 catalog entries.
Finish chapter 4.
Finish chapter 3.
Finish chapter 2.
Finish chapter 1.
Finish chapter 15.
Finish the main story.
Finish the bonus episode.
Collected 70 catalog entries.
Collected 80 catalog entries.
Completed your catalog.