If you think that's bad, you should see Corruption Of Champions 2. It's basically a book.
There is a cheat mode that allows you to unlock the gallery, but it is locked to Patreon copies. If you're really lazy, you can just edit your Profile to force everything to be unlocked.
https://itch.io/t/1117096/tutorial-almost-100-save-file-and-how-to-use-it