This game is SUPER impressive in it's linguistic complexity, and honestly that's my big problem with it. If this were, say, the end-puzzle in a game like Outer Wilds or something, I'd be so deeply invested in the universe I'd enjoy deciphering a message or two before getting some epic ending. In the context of a game jam, I just don't have the time to invest 20-30 minutes flipping through a dictionary memorizing symbols, or jotting down notes. It's too much investment for me in a jam with 30 other games I'm trying to look at.
That being said, I really, really, really like the vibe overall. I'm a pretty big fan of Subnautica/Outer Wilds, etc, and that's just exactly where the whole feel here brought me. I can't help but thinking how this could have been a prototype for a final puzzle for one of those types of games. If it is, you've hit the nail on the head here. I did not come anywhere close to finishing it, but the presentation is spot on. Thanks for giving me a game to check out!
Addendum: I would have loved to be able to get up, walk across the room, and refill my coffee...somehow having to sip from my coffee every so often really added to the whole thing, sincerely.