How to save in this game?

[No major spoiler] Do someone have tips for the "harder" ending ?

Won't Open

Stuck Right At The Start

Easy ending cutscene dialogue/text. Spoilers, obviously.

sethian in the puzzle lovers newsletter

(possible spoilers) Proposed method to represent numbers and simple arithmetic

Is there any way to get a full dictionary?

Confirmed working on macOS Catalina (64-bit)

Did anyome managed to decompile the game?

Punctuation (likely to have spoilers)

Linux version?

Journal...?

Mac Bug: Pages missing

The meaning of "Heart Fall"